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  • 06.08.2007. Kto eto tam tak bumknul?
  • 14.03.2007. Taina kolec sverhnovoi
  • 06.03.2007. BL Lac v zhestkom gamma

  • 21.09.2006. Vspyshka vnegalakticheskogo magnitara ili korotkii gamma-vsplesk?

  • 23.08.2006. Chernaya koshka obnaruzhena

  • 13.04.2006. On bol'she Plutona!
  • 07.04.2006. Disk vokrug anomal'nogo pul'sara
  • 29.03.2006. Samyi dalekii gamma-vsplesk: mesto rozhdeniya
  • 22.03.2006. Vega krutitsya volchkom
  • 21.03.2006. Tri goda raboty WMAP
  • 03.03.2006. S chem mozhno pereputat' sverhnovuyu?

    Soderzhanie i bystryi perehod k razdelam obzora


    Stat'i nedeli
    "Luchshie iz luchshih"

  • arxiv/0710.3165
    Chernaya dyra s massoi 15.65 solnechnyh v zatmennoi dvoinoi sisteme v blizkoi spiral'noi galaktike M33
  • arxiv/0710.3166
    Ogranicheniya na praroditelei sverhnovyh tipa Ia: poisk vodoroda v spektre tumannosti
  • arxiv/0710.3381
    Chernaya dyra v sharovom skoplenii, izluchayushaya v rentgene
  • arxiv/0710.3543
    Znachenie chislennyh sovpadenii v prirode
  • arxiv/0710.4057
    Sbornik statei gruppy H.E.S.S. dlya materialov ICRC 2007

    Otdel'nye stat'i
  • Vliyanie oblakov galakticheskogo vetra na evolyuciyu bogatyh gazom karlikovyh galaktik
  • Kak formirovalis' protogalaktiki. III. Vliyanie pervyh zvezd
  • Chernaya dyra s massoi 15.65 solnechnyh v zatmennoi dvoinoi sisteme v blizkoi spiral'noi galaktike M33
  • Ogranicheniya na praroditelei sverhnovyh tipa Ia: poisk vodoroda v spektre tumannosti
  • Pul'sacionnaya neustoichivost' rozhdeniya par kak ob'yasnenie samyh moshnyh sverhnovyh
  • Seifertovskie galaktiki pervogo tipa s uzkimi liniyami
  • Astrofizika iz analiza dannyh so sfericheskih detektorov gravitacionnyh voln
  • Rasstoyanie do vysokoskorostnyh oblakov Galaktiki. Kompleks C
  • Chernaya dyra v sharovom skoplenii, izluchayushaya v rentgene
  • Izmerenie mass i vrasheniya chernyh dyr s pomosh'yu QPO
  • Pul'sarnoe izluchenie vysokih energii v modeli polyarnoi shapki i Slot Gap
  • Obzor galakticheskoi ploskosti na H.E.S.S.
  • Znachenie chislennyh sovpadenii v prirode
  • Dvadcat' let poiskov (i nahodok) pul'sarov v sharovyh skopleniyah
  • Ochen' slabaya sverhnovaya v M85
  • Obzor proekta sputnika SPACE
  • YREC: The Yale Rotating Stellar Evolution Code
  • Sbornik statei gruppy H.E.S.S. dlya materialov ICRC 2007
  • Neitrino samyh vysokih energii
  • INTEGRAL-pyat' let raboty kosmicheskih detektorov izlucheniya vysokoi energii
  • Gamma-vspleski iz molodoi vselennoi: predskazaniya dlya sovremennyh i budushih instrumentov
  • Nadezhnoe mashinnoe obuchenie v primenenii k terabaitnym astronomicheskim dannym
  • Chuvstvitel'nost' EXIST k gamma-vspleskam
  • Proishozhdenie galakticheskih kosmicheskih luchei
  • Parksovskii nabor pul'sarov dlya taiminga
  • Vklad Kosmicheskogo teleskopa v izuchenie neitronnyh zvezd


    Iz razdela physics
  • Eksperiment SuperNEMO po poisku dvoinogo beta-raspada


    Polnyi Arhiv predydushih vypuskov.

    Arhiv statei, voshedshih v vypuski s 01 iyulya 2002 g. po 31 marta 2003 g.

    Arhiv na 14.04.2006 odnim failom
    (36.9 Mb; *.tar.gz)
    gzip homepage

    Razdely arhiva (s aprelya 2003 g.):
    kosmologiya,
    neitrino,
    kosmicheskie luchi i gamma-astronomiya,
    galaktiki, AYaG, kvazary,
    nasha Galaktika,
    mezhzvezdnaya sreda,
    zvezdy,
    sverhnovye,
    ostatki sverhnovyh,
    chernye dyry,
    neitronnye zvezdy,
    linzirovanie,
    Solnce,
    ekzoplanety,
    Solnechnaya sistema,
    akkreciya,
    tesnye dvoinye sistemy,
    gamma-vspleski,
    gravitacionnye volny,
    mehanizmy izlucheniya,
    chislennoe modelirovanie,
    dinamika, mehanika
    metody obrabotki dannyh,
    MGD,
    metody nablyudenii,
    budushie nablyudatel'nye proekty,
    prochee.


    Poleznye astronomicheskie ssylki.
    Korotkoe esse ob elektronnyh preprintah.
    Obzornye stat'i v astro-ph 2001-2003 gg.


    Avtor proekta
    Sergei Popov

    Uchastniki:
    item Ekaterina Kasimova

    Ranee uchastvovali:
    Mihail Prohorov


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  • Obzory preprintov astro-ph

    Vypusk N171
    astro-ph za 17-31 oktyabrya 2007 goda: izbrannye stat'i

    Referaty otdel'nyh statei



    item arxiv:0710.2997 Vliyanie oblakov galakticheskogo vetra na evolyuciyu bogatyh gazom karlikovyh galaktik (The effect of clouds in a galactic wind on the evolution of gas-rich dwarf galaxies)
    Authors: S. Recchi1 & G. Hensler
    Comments: A&A, 13 pages

    Bogatye gazom karlikovye galaktiki podrazdelyayut na karlikovye irregulyarnye nizkoi poverhnostnoi yarkosti (dIrr), i yarkie golubye karlikovye galaktiki (BCD). I te, i drugie imeyut nizkuyu metallichnost' i slozhnuyu mnogokomponentnuyu gazovuyu strukturu. Ih mezhzvezdnaya sreda sostoit iz holodnoi, teploi i goryachei diffuznoi faz. Avtory dannoi raboty issledovali, kak uchet holodnyh oblakov povliyaet na dinamicheskuyu i himicheskuyu evolyuciyu karlikovyh galaktik. Rezul'taty modelirovaniya sravnivalis' avtorami s ih zhe rezul'tatami, no poluchennymi v ramkah standartnogo obsheprinyatogo podhoda. Chislennye eksperimenty pokazali, chto uchet holodnoi oblachnoi fazy umen'shaet teplovuyu energiyu MZS na 20-40%, chto sushestvenno umen'shaet veroyatnost' obrazovaniya krupnomasshabnyh istechenii. Obshaya metallichnost' MZS karlikovoi galaktiki pri etom ponizhaetsya na 0.2-0.4 poryadka dex, hotya otnositel'nye soderzhaniya elementov ostayutsya prezhnimi.


    item arxiv:0710.3160 Kak formirovalis' protogalaktiki. III. Vliyanie pervyh zvezd (Resolving the Formation of Protogalaxies. III. Feedback from the First Stars).
    Authors: J. Wise & T. Abel
    Comments: ApJ, 12 pages

    Sovremennye nablyudeniya pokazali, chto dazhe na dalekih krasnyh smesheniyah z > 5 himicheskii sostav mezhgalakticheskoi sredy (MGS) otlichen ot pervichnogo. Voznikaet vopros, kak imenno prohodilo obogashenie MGS v rannei Vselennoi? Eta problema yavlyaetsya odnoi iz naibolee diskutiruemyh v sovremennoi kosmologii. Dannaya stat'ya posvyashena chislennomu modelirovaniyu evolyucii karlikovyh galaktik, pogruzhennyh v galo temnoi materii. Rassmotrena ih evolyuciya c uchetom radiacionnogo vliyaniya pervyh zvezd (zvezd naseleniya III). Soglasno raschetam avtorov stat'i, v rezul'tate dinamicheskogo vliyaniya zvezd naseleniya III karlikovye galaktiki teryayut do 40% vseh tyazhelyh elementov i obogashayut mezhgalakticheskuyu sredu na samyh rannih etapah evolyucii Vselennoi.


    arxiv:0710.3165 Chernaya dyra s massoi 15.65 solnechnyh v zatmennoi dvoinoi sisteme v blizkoi spiral'noi galaktike M33 (A 15.65 solar mass black hole in an eclipsing binary in the nearby spiral galaxy Messier 33)
    Authors: Jerome A. Orosz et al.
    Comments: To appear in Nature October 18, 2007. Four figures (one color figure degraded). Differs slightly from published version. Supplementary Information follows in a separate posting

    Avtory soobshayut o tom, chto ocenka massy chernoi dyry v odnoi iz vnegalakticheskih tesnyh dvoinyh sistem okazalos' dovol'no vysokoi - okolo 16 mass Solnca. Eto rekord. Ocenku udalos' sdelat' blagodarya tomu, chto v sisteme nablyudayut zatmeniya, t.e. my vidim ee pochti s rebra. Eto pozvolyaet poluchit' ne tol'ko nizhnii predel (funkciyu mass), no i ocenku massy chernoi dyry.

    Otmechu, chto vse-taki ne stoit preuvelichivat' tochnost' ocenki. Sami avtory govoryat o 14-17 mass Solnca, no eto ne znachit, chto ne mozhet byt' i 13, ili 12 ....

    Poyavlenie takih chernyh dyr ne yavlyaetsya chem-to neozhidannym. Raschety pozvolyayut poluchat' i neskol'ko bolee massivnye chernye dyry v rezul'tate normal'nogo kollapsa yader massivnyh zvezd (drugoe delo, chto v dvoinoi sisteme poyavlyayutsya dopolnitel'nye slozhnosti - massa "utekaet" na zvezdu-sosedku ili rasseivaetsya v prostranstve na t.n. stadii "obshei obolochki"). Tem ne menee, esli ocenka podtverditsya, rezul'tat kraine vazhen, ibo raschety raschetami, a astronomiya - nauka nablyudatel'naya. Nu a u teoretikov poyavilas' dopolnitel'naya zadacha - ob'yasnit' formirovanie takoi dyry v tesnoi dvoinoi sisteme s izvestnymi parametrami.

    Dopolnitel'nye materialy k stat'e nahodyatsya zdes': arxiv:0710.3168.

    Obsudit' v ZhZh-soobshestve ru_astroph.
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    arxiv:0710.3166 Ogranicheniya na praroditelei sverhnovyh tipa Ia: poisk vodoroda v spektre tumannosti (Constraining the Type Ia Supernova Progenitor: The Search for Hydrogen in Nebular Spectra)
    Authors:Douglas C. Leonard
    Comments: Accepted for publication in The Astrophysical Journal. 16 pages, 1 figure

    Vazhnaya rabota, na moi vzglyad. Ideya tut vot v chem.

    Est' sverhnovye tipa Ia (eto po nim izmeryayut uskorenie rasshireniya vselennoi i tp.). Polagayut, chto eto vzryv belogo karlika. Massa karlika rosla-rosla za schet akkrecii s soseda, poka ne dorosla.... Tak vot. Esli akkreciruemoe veshestvo bogato vodorodom, kak eto i predpolagaetsya vo mnogih scenariyah, to posle vzryva etot vodorod mozhno uvidet' po spektram. Detal'ki tam budut slaben'kie, no vpolne obnaruzhimye.

    Sut' v tom, chto dlya dvuh sverhnovyh takie detal'ki poiskali, da ne nashli. T.e., postavili zhestkii predel na massu vodoroda. Takoi zhestkii, chto mnogie scenarii okazalis' zakrytymi. Budem posmotret', chto pridumayut teoretiki v otvet!

    V nagruzku (i vne vsyakoi svyazi s izlozhennym vyshe) o rentgenovskih nablyudeniyah sverhnovyh Ia mozhno pochitat' tut arxiv:0710.3189, a o vozmozhnom gamma-izluchenii ot nih - zdes': arxiv:0710.3313.


    arxiv:0710.3314 Pul'sacionnaya neustoichivost' rozhdeniya par kak ob'yasnenie samyh moshnyh sverhnovyh (Pulsational pair instability as an explanation for the most luminous supernovae)
    Authors: S. E. Woosley, S. Blinnikov, Alexander Heger
    Comments: 23 pages including 15 figures and 2 tables; submitted to Nature on June 4, 2007

    Avtory predstavlyayut model', v kotoroi odnovremenno ob'yasnyayutsya ochen' moshnye (tochnee, s bol'shoi opticheskoi svetimost'yu) sverhnovye (rezul'taty prekrasno opisyvayut krivuyu bleska SN2006gy) i pozvolyayut opisat' "seriinye" vzryvy, proishodyashie v massivnyh zvezdah na pozdnih stadiyah evolyucii. Vysokaya svetimost' nekotoryh sverhnovyh ob'yasnyaetsya v modeli tem, chto vybros ot novoi vspyshki stalkivaetsya s predydushim.


    miniobzor arxiv:0710.3326 Seifertovskie galaktiki pervogo tipa s uzkimi liniyami (Narrow-Line Seyfert 1 Galaxies)
    Authors: S. Komossa
    Comments: To appear in the proceedings of "The nuclear region, host galaxy and environment of AGN", E. Benitez, I. Cruz-Gonzalez & Y. Krongold (eds), RevMexAA

    Nebol'shoi obzor, posvyashennyi odnomu iz tipov aktivnyh galaktik. Galaktiki eti daleko ne samye moshnye, dyry tam ne slishkom tyazhelye. Zato akkreciya na nih idet s vysokim tempom. Krome togo, eti galaktiki otnositel'no blizki k nam, tak chto ih izuchenie prolivaet svet na aktivnye yadra galaktik vcelom.


    arxiv:0710.3330 Astrofizika iz analiza dannyh so sfericheskih detektorov gravitacionnyh voln (Astrophysics from data analysis of spherical gravitational wave detectors)
    Authors: C. H. Lenzi et al.
    Comments: 8 pages and 3 figures

    Sushestvuyut raznye tipy detektorov gravitacionnyh voln. Krome izvestnyh lazernyh interferometrov est' eshe i sfericheskie detektory. Odin iz nih - SCHENBERG - skoro nachnet svoyu rabotu. Sobstvenno, detektor uzhe postroen i idut testy.

    V stat'e avtory rasskazyvayut, kakie astrofizicheskie rezul'taty mogut byt' polucheny s pomosh'yu novogo pribora.


    item arxiv:0710.3340 Rasstoyanie do vysokoskorostnyh oblakov Galaktiki. Kompleks C (Distances to Galactic high-velocity clouds. Complex C)
    Authors: B.P. Wakker et al.
    Comments: ApJ Let, 12 pages

    Evolyuciya galaktik polnost'yu opredelyaetsya kolichestvom mezhzvezdnogo gaza. Chem bol'she gaza, tem bolee prodolzhitel'na evolyuciya. Strogoi granicy mezhdu galaktikami i mezhgalakticheskoi sredoi ne sushestvuet, proishodit postoyannyi obmen. Obogashennyi metallami gaz pokidaet galaktiku v vide galakticheskogo vetra, a nizkometallichnyi gaz akkreciruetsya iz mezhgalakticheskoi sredy. Nalichie akkrecii gaza s nizkim soderzhaniem tyazhelyh elementov kosvenno sleduet iz modelei himicheskoi evolyucii, poskol'ku nalichie akkrecii neobhodimo dlya ob'yasneniya obshirnogo nablyudatel'nogo materiala. Neposredstvennym dokazatel'stvom popolneniya Galaktiki gazom sluzhit sushestvovanie vysokoskorostnyh oblakov (VSO) - protyazhennyh oblakov neitral'nogo gaza, imeyushih skorost' poryadka 100 km/s otnositel'no Galaktiki. Avtory dannoi raboty proanalizirovali rasstoyanie do sistemy oblakov "kompleks S". Dannaya stat'ya - prodolzhenie ih rabot na etu temu (k primeru, astro-ph 0709.1926). Sut' metoda prosta: v napravlenii vysokoskorostnogo oblaka vybirayutsya zvezdy, rasstoyaniya do kotoryh izvestny s horoshei tochnost'yu. Ocenku rasstoyaniya do oblaka mozhno poluchit', izuchaya linii mezhzvezdnogo poglosheniya v spektrah etih zvezd. Nablyudeniya provedeny avtorami v observatoriyah McDonald, Keck i WHT. V rabote ispol'zovany dannye radionablyudenii. Po mneniyu avtorov, rasstoyanie do oblaka "kompleks S" nahoditsya v predelah ot 3.7 kpk (po drugoi ocenke 6.7 kpk) do 11.2 kpk. Ocenka rasstoyaniya provedena vpervye. Bol'shoi interval v neskol'ko kiloparsek svyazan kak s protyazhennost'yu samogo oblaka, imeyushego bol'shoi uglovoi diametr, tak i s neobhodimost'yu utochneniya etogo rezul'tata s pomosh'yu dal'neishih nablyudenii. Metallichnost' "kompleksa S" sostavlyaet 15% ot solnechnoi. Izmerenie kolichestva neitral'nogo vodoroda vdol' oblaka po luchu zreniya pozvolilo ocenit' massu neitral'nogo vodoroda. Nablyudenii v linii H_alpha pokazali, chto soderzhanie neitral'nogo i ionizovannogo gaza v oblake primerno odinakovy. Obshaya ocenka massy oblaka sostavila 3.-14. x 106 solnechnyh mass, chto sootvetstvuet tempu akkrecii 0.1-0.25 mass Solnca/god. Obshii temp akkrecii mezhgalakticheskogo gaza Galaktikoi ocenivaetsya kak 1 massa Solnca/god, potomu vklad oblaka "kompleks S" sostavlyaet ot 10 do 25%. Rasstoyanie do vysokoskorostnyh oblakov ostavalos' zagadkoi dolgoe vremya. Sovremennye nablyudeniya pokazyvayut, chto VSO nahodyatsya v predelah galo Galaktiki, a ih nizkaya metallichnost' i napravlenie dvizheniya podtverzhdayut tot fakt, chto Galaktika na protyazhenii vsei evolyucii nepreryvno "podpityvaetsya" gazom izvne. Zadachei posleduyushih issledovanii budet postroenie trehmernoi karty raspredeleniya VSO.


    arxiv:0710.3381 Chernaya dyra v sharovom skoplenii, izluchayushaya v rentgene (An X-ray emitting black hole in a globular cluster)
    Authors: Thomas J. Maccarone et al.
    Comments: 5 pages, 2 figures, to appear in the proceedings of IAUS 246, "Dynamical Evolution of Dense Stellar Systems", ed. Vesperini, Giersz and Sills

    Esli eto podtverditsya, to eto kuda kak interesnee, chem chernaya dyra s massoi 15 mass solnca.

    Dolgoe vremya schitali, chto v sharovyh skopleniyah dolzhny byt' chernye dyry, i chto oni dolzhny izluchat' v rentgene. No za 40 s lishnim let rentgenovskoi astronomii nikto tak nichego i ne nashel. Bolee togo, net ni odnoi chetko podtverzhdennoi ("chetko" na urovne drugih sil'nyh kandidatov v chernye dyry) chernoi dyry v sharovyh skopleniyah po dannym lyubyh nablyudenii (hotya nekotorye ukazaniya na ih sushestvovanie est', svyazany oni vse s dinamikoi zvezd v skopleniyah). Tak vot, Tomas i ego kollegi raportuyut ob obnaruzhenii ochen' interesnogo istochnika.

    Nablyudeniya provodilis' na XMM-Newton. Istochnik vnegalakticheskii. Materinskaya galaktika NGC 4472. Svetimost' ochen' bol'shaya - pod 1040 erg/s. Istochnik sil'no peremennyi. Poluchen i opticheskii spektr, kotoryi, po mneniyu avtorov, govorit v pol'zu ih interpretacii. Sootvetstvenno, oni polny entuziazma i prizyvayut iskat' chernye dyry v dvoinyh sistemah v sharovyh skopleniyah Mlechnogo Puti (rech' idet o dyrah v spokoinom sostoyanii, kogda net moshnoi akkrecii, inache davno by uzhe otkryli).

    Obsudit' v ZhZh-soobshestve ru_astroph.
    Obsudit' na Astroforume v Nauchnoi panorame.


    miniobzor arxiv:0710.3454 Izmerenie mass i vrasheniya chernyh dyr s pomosh'yu QPO (Measurement of Mass and Spin of Black Holes with QPOs)
    Authors: B. Aschenbach
    Comments: 7 pages, talk given at the 2007 Frascati workshop, acc. for publication in the Chin. J. Astron. Astrophys

    Nebol'shoi obzor, posvyashennyi kvaziperiodicheskim oscillyaciyam, nablyudaemym u kandidatov v chernye dyry. Krome obychno rassmatrivaemyh tesnyh dvoinyh sistem avtor udelyaet otnositel'no mnogo mesta obsuzhdeniyu oscillyacii u Sgr A*. Na moi vzglyad, obzor horosho illyustriruet zaputannost' situacii s interpretaciei oscillyacii. Tak chto nuzhno dostatochno akkuratno otnosit'sya k razlichnym ocenkam (v pervuyu ochered' massy i tempa vrasheniya), poluchaemym na osnove dannyh po QPO.


    obzor arxiv:0710.3517 Pul'sarnoe izluchenie vysokih energii v modeli polyarnoi shapki i Slot Gap (Pulsar High-Energy Emission From the Polar Cap and Slot Gap)
    Authors: Alice K. Harding
    Comments: 23 pages, 8 Figures, Invited Review at 363-Heraeus-Seminar on Neutron Stars and Pulsars, ed. W. Becker

    Kak izvestno, detali mehanizma izlucheniya pul'sarov ostayutsya neizvestnymi. V chastnosti, neyasno gde (blizko k neitronnoi zvezde, okolo svetovogo cilindra, ili zhe gde-to poseredine) rozhdayutsya zhestkie kvanty, ispuskaemye etimi neitronnymi zvezdami. V dannom obzore rassmotreny dve modeli.

    V pervoi modeli uskorenie chastic proishodit v polyarnom zazore - t.e. dostatochno blizko k poverhnosti neitronnoi zvezdy. Vo vtoroi, zazor predstavlyaet soboi uzkuyu rasshelinu (Slot) vblizi poslednih otkrytyh silovyh linii (dobavlyu, chto est' eshe tret'ya model' - vneshnego zazora - rassmatrivaemaya v otdel'noi stat'e). Mozhno nadeyat'sya, chto v samom nedalekom budushem rezul'taty so sputnika GLAST pozvolyat sdelat' vybor mezhdu modelyami.


    arxiv:0710.3528 Obzor galakticheskoi ploskosti na H.E.S.S. (The H.E.S.S. survey of the inner Galactic plane)
    Authors: S. Hoppe for the H.E.S.S. Collaboration
    Comments: 4 pages, 3 figures, ICRC 2007

    Nebol'shaya stat'ya, dayushaya ischerpyvayushuyu bazovuyu informaciyu po obzoru galakticheskoi ploskosti, provodimomu na gamma-teleskope H.E.S.S. Pervaya chast' obzora vklyuchala v sebya tol'ko samuyu vnutrennyuyu chast' Galaktiki. Teper' zhe pokrytie po galakticheskoi dolgote sushestvenno rasshirilos'. Esli posle pervogo etapa polosa shirinoi 6 gradusov ohvatyvala dolgoty ot -30 do +30 gradusov vokrug galakticheskogo centra, to teper' ohvacheny dolgoty ot -85 do 60 gradusov. Razumeetsya, otkryty novye istochniki.


    obzor arxiv:0710.3543 Znachenie chislennyh sovpadenii v prirode (The significance of numerical coincidences in nature)
    Authors: Brandon Carter
    Comments: 73 latex pages, consisting of 5 page postscript appended to transcript (with original figures by photocopy) of 68 page manuscript printed by stencil in 1967 under subheading ``The role of fundamental microphysical parameters in cosmogony'', as a foundation for what was to become known as the anthropic principle

    Arhivazhnaya stat'ya! Eto vosproizvedenie klassicheskoi raboty, posvyashennoi antropnomu principu (do etogo ona byla malodostupna v elektronnom vide). Krome togo Karter sdelal nebol'shoe posleslovie. Sovetuyu vsem prochest'!


    miniobzor arxiv:0710.3626 Dvadcat' let poiskov (i nahodok) pul'sarov v sharovyh skopleniyah (Twenty Years of Searching for (and Finding) Globular Cluster Pulsars)
    Authors: Scott M. Ransom
    Comments: 9 pages, 6 figures. Submitted review for the "40 Years of Pulsars" conference in Montreal, Aug 2007. To be published by the AIP

    V sharovyh skopleniyah slozhilis' osobenno blagopriyatnye usloviya dlya formirovaniya nekotoryh tipov dvoinyh sistem. V chastnosti, tam mnogo dvoinyh millisekundnyh pul'sarov. Poisku i otkrytiyam razlichnyh predstavitelei etogo semeistva i posvyashen nebol'shoi obzor. Naideno nemalo interesnogo. Naprimer, pul'sar s rekordno korotkim periodom vrasheniya naiden imenno v sharovom skoplenii.


    obzor arxiv:0710.3753 Ochen' slabaya sverhnovaya v M85 (A very faint core-collapse supernova in M85)
    Authors: A. Pastorello et al.
    Comments: 7 pages, 2 figures. Submitted to Nature "Brief Communication Arising" on 18 July 2007, Accepted on 17 August 2007. Arising from: Kulkarni et al. 2007, Nature, 447, 458-460

    Nekotoroe vremya nazad my pisali o neobychnom tranziente v M85. Sami avtory otkrytiya predpolozhili, chto nablyudaetsya stolknovenie zvezd. V dannoi zhe stat'e rassmatrivaetsya ideya o tom, chto my imeem delo s neobychnoi sverhnovoi. Esli etot tak, to eto samaya slabaya iz vseh nablyudavshihsya sverhnovyh.


    arxiv:0710.3970 Obzor proekta sputnika SPACE (An Overview of the SPACE Mission Proposal)
    Authors: M. Robberto, A. Cimatti, the SPACE Science Team
    Comments: 4 pages, Venice 2007 Conf. Proc., to appear on Il Nuovo Cimento

    SPACE - SPectroscopic All-sky Cosmic Explorer. Zadachei yavlyaetsya spektroskopicheskii obzor neba s cel'yu polucheniya kolossal'nogo kolichestva tochnyh krasnyh smeshenii galaktik. Budet postroena trehmernaya karta do z=2. Eto bylo by novym vazhnym shagom v razvitii "tochnoi kosmologii".


    arxiv:0710.4003 YREC: The Yale Rotating Stellar Evolution Code (YREC: The Yale Rotating Stellar Evolution Code)
    Authors: P. Demarque, D.B. Guenther, L.H. Li, A. Mazumdar, C.W. Straka
    Comments: 10 pages, 2 figures, ApSS accepted

    Dano opisanie odnogo iz kodov, opisyvayushih evolyuciyu normal'nyh zvezd. Sushestvuet neskol'ko modifikacii etogo nabora programm. Nekotorye iz nih dostatochno detal'ny dlya prilozheniya k astroseismologii i issledovaniyam vnutrennego stroeniya Solnca.


    sbornik statei arxiv:0710.4057 Sbornik statei gruppy H.E.S.S. dlya materialov ICRC 2007 (H.E.S.S. ICRC 2007 contributions)
    Authors: The H.E.S.S. Collaboration
    Comments: 184 pages, large file

    Vmeste sobrany vse stat'i, predstavlennye kollaboraciei H.E.S.S. dlya publikacii v materialah konferencii po kosmicheskim lucham. O mnogih iz nih my rasskazyvali v obzorah.


    obzor arxiv:0710.4158 Neitrino samyh vysokih energii (The Highest Energy Neutrinos)
    Authors: Francis Halzen
    Comments: 16 pages, pdflatex, 7 jpg figures, ICRC style files included. Highlight talk presented at the 30th International Cosmic Ray Conference, Merida, Mexico, 2007

    Neitrino samyh vysokih energii vozmozhno budut obnaruzheny ustanovkami tipa observatorii imeni Ozhe ili zhe kilometrovymi detektorami neitrino. Eto bylo by cherezvychaino sushestvennym otkrytiem. Neitrino ne otklonyayutsya magnitnym polem, poetomu oni pryamo ukazyvali by na istochniki (v otlichie ot protonov i yader v kosmicheskih luchah). O tom, kak mogut voznikat' neitrino sverhvysokih energii, kak ih "poimat' za borodu", i chto my smozhem uznat' s ih pomosh'yu mozhno prochest' v obzore.


    miniobzor arxiv:0710.4248 INTEGRAL - pyat' let raboty kosmicheskih detektorov izlucheniya vysokoi energii (INTEGRAL - operating high-energy detectors for five years in space)
    Authors: Volker Beckmann
    Comments: 10 pages. Invited review to appear in the proceedings of the 10th ICATPP conference, Como, Italy, October 8-12, 2007

    Kak vremya letit! Vot uzhe pyat' let otrabotal sputnik INTEGRAL. Za eto vremya na nem sdelano mnogo interesnyh otkrytii. Na moi vzglyad, samoe interesnoe - eto obnaruzhenie zhestkih hvostov v spektrah magnitarov. No eto ochen' sub'ektivnyi vzglyad. Svoe mnenie vy smozhete sostavit', oznakomivshis' s predlagaemym obzorom.


    arxiv:0710.4280 Gamma-vspleski iz molodoi vselennoi: predskazaniya dlya sovremennyh i budushih instrumentov (Gamma Ray Bursts from the early Universe: predictions for present-day and future instruments)
    Authors: R. Salvaterra, S. Campana, G. Chincarini, S. Covino, G. Tagliaferri
    Comments: 6 pages, 2 figures, MNRAS in press

    Avtory zadayutsya voprosom: kakim dolzhen byt' ideal'nyi instrument dlya poiska gamma-vspleskov s bol'shim krasnym smesheniem. Takie vspleski pomogli by uznat' mnogo interesnogo ob epohe reionizacii.

    Ideal'nyi instrument sravnivaetsya s vozmozhnostyami sovremennyh priborov, a takzhe teh, kotorye poletyat v blizhaishem budushem. Po mneniyu avtorov ni INTEGRAL, ni GLAST ne smogut tut pomoch', a vot EXIST smozhet uvidet' dostatochnoe kolichestvo dalekih gamma-vspleskov.

    Sm. nizhe stat'yu o chuvstvitel'nosti EXIST k gamma-vspleskam.


    obzor arxiv:0710.4482 Nadezhnoe mashinnoe obuchenie v primenenii k terabaitnym astronomicheskim dannym (Robust Machine Learning Applied to Terascale Astronomical Datasets)
    Authors: Nicholas M. Ball, Robert J. Brunner, Adam D. Myers
    Comments: 4 pages, 1 figure, uses adassconf.sty, asp2006.sty. To appear in the proceedings of ADASS XVII, London, UK, Sep 2007

    Rabota s bol'shimi sovremennymi obzorami, tipa Sloanovskogo, trebuet sovershenno novyh chislennyh metodov. Im i posvyashena dannaya stat'ya. Ideya sostoit v razrabotke algoritmov, pozvolyayushih komp'yuteru "obuchat'sya" klassificirovat' ob'ekty.


    obzor arxiv:0710.4602 Chuvstvitel'nost' EXIST k gamma-vspleskam (EXIST's Gamma-Ray Burst Sensitivity)
    Authors: D. L. Band et al.
    Comments: 25 pages, 10 figures, accepted by ApJ

    EXIST - eto sputnik dlya issledovaniya neba v zhestkom diapazone spektra. Ozhidaemyi zapusk - primerno v 2015 godu. V stat'e rassmotrena chuvstvitel'nost' pribora k gamma-vspleskam. Razumeetsya, chuvstvitel'nost' budushego apparata sushestvenno prevzoidet parametry sushestvuyushih priborov.


    miniobzor arxiv:0710.4909 Proishozhdenie galakticheskih kosmicheskih luchei (The origin of galactic cosmic rays)
    Authors: Joerg R. Hoerandel
    Comments: 8 pages, Invited talk given at the Roma International Conference on Astro-Particle physics (RICAP07) June 20th - 22nd, 2007. To be published in Nuclear Instruments and Methods A

    Nazvanie govorit samo za sebya. Sushestvenno, chto avtor rassmatrivaet samye raznye metody issledovaniya kosmicheskih luchei. Poetomu obzor poluchaetsya ochen' cel'nym. Kak polozheno, obzor zavershaetsya obsuzhdeniem nereshennyh problem i kratkim opisaniem budushih eksperimentov.


    miniobzor arxiv:0710.5026 Parksovskii nabor pul'sarov dlya taiminga (The Parkes Pulsar Timing Array)
    Authors: R. N. Manchester
    Comments: 9 pages, 6 figures, Proceedings of "40 Years of Pulsars: Millisecond Pulsars, Magnetars and More", Montreal, August 2007

    Pul'sary "chuvstvuyut" gravitacionnye volny. Buduchi tochnymi chasami, oni "sbivayutsya", kogda prohodit gravvolna (krome togo, sboi budet nablyudat'sya i togda, kogda volna prohodit cherez Zemlyu). Poetomu, nablyudaya neskol'ko pul'sarov s horosho izvestnym taimingom, mozhno dat' ogranicheniya na gravvolny. T.e., pul'sary rabotayut kak gravitacionnye detektory. PPTA (Parkes Pulsar Timing Array) - eto kak raz nabor iz 20 ob'ektov dlya podobnyh issledovanii. Provodyatsya regulyarnye nablyudeniya etih pul'sarov, chto i pozvolyaet delat' vsyakie interesnye vyvody po povodu gravvoln (i ne tol'ko gravvoln, kstati). Poka, konechno, rech' idet tol'ko o verhnih predelah, no ved' i detektory poka nikakogo polozhitel'nogo rezul'tata v registracii gravsignala ne dali :)


    miniobzor arxiv:0710.5374 Vklad Kosmicheskogo teleskopa v izuchenie neitronnyh zvezd (The HST contribution to neutron star astronomy)
    Authors: R.P. Mignani
    Comments: 4 pages, to be published in Proc. of 41st ESLAB Symposium: The Impact of HST on European Astronomy

    V korotkom obzore Roberto Min'yani rasskazyvaet, kakuyu rol' sygrali nablyudeniya na habblovskom teleskope v astronomii neitronnyh zvezd.

    Neitronnye zvezdy yavlyayutsya ochen' slabymi istochnikami v opticheskom diapazone (za isklyucheniem pul'sarov v Krabe i Parusah, kotorye i byli prakticheski edinstvennymi horosho izuchennymi v optike neitronnymi zvezdami do zapuska Kosmicheskogo teleskopa). Poetomu neudivitel'no, chto ni o kakih massovyh otozhdestvleniyah etih ob'ektov s pomosh'yu nazemnyh teleskopov v 80-h godah i ranee ne bylo i rechi. S zapuskom Habbla situaciya rezko izmenilas': chislo otozhdestvlennyh v optike neitronnyh zvezd perevalilo za desyatok. Krome klassicheskih radiopul'sarov v optike nablyudayut Gemingu i nekotorye iz ob'ektov, vhodyashih v Velikolepnuyu semerku.

    O poiskah novyh kandidatov v ostyvayushie neitronnye zvezdy (tipa Velikolepnoi semerki) mozhno prochest' zdes': arxiv:0710.5192




    My budem starat'sya hotya by perechislit' interesnye (dlya shirokoi publiki) stat'i, poyavivshiesya v razdele physics (vklyuchaya cross-listing).


    arxiv:0710.4279 Eksperiment SuperNEMO po poisku dvoinogo beta-raspada (The SuperNEMO double beta decay experiment)
    Authors: Irina Nasteva, for the SuperNEMO Collaboration
    Comments: 6 pages, 2 figures; talk presented at the 10th ICATPP Conference, Como, Italy, 8-12 October 2007; to be published by World Scientific

    Obnaruzhenie bezneitrinnogo dvoinogo beta-raspada ochen' vazhno dlya fundamental'noi fiziki. V techenie poslednih desyatkov let postoyanno predprinimayutsya popytki uvidet' takoe sobytie. Poka - tol'ko verhnie predely. V stat'e opisan eshe odin proekt.



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