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Soderzhanie i bystryi perehod k razdelam obzora
Temp proizvodstva i zanyatost' astronomov s Ph.D. Rentgenovskaya, IK i submillimetrovaya vspyshka Sagittarius A* Prakticheskoe rukovodstvo po osnovnym statisticheskim metodam dlya analiza dannyh v kosmologii
Otdel'nye stat'i
Iz razdela physics
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
Razdely arhiva (s aprelya 2003 g.): Poleznye astronomicheskie ssylki. Korotkoe esse ob elektronnyh preprintah. Obzornye stat'i v astro-ph 2001-2003 gg.
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Obzory preprintov astro-ph
Vypusk N175
astro-ph za 14-19 dekabrya 2007 goda: izbrannye stat'i
Referaty otdel'nyh statei
Authors: You-Hua Chu, Robert A. Gruendl Comments: 8 pages, 6 figures, Massive Star Formation: Observations Confront Theory, held at Heidelberg on September 10-14, 2007 Postoyanno obsuzhdaetsya vopros o tom, vse li massivnye zvezdy rodilis' v skopleniyah ili associaciyah. Avtory proveli podrobnyi analiz molodyh zvezdnyh ob'ektov v Bol'shom Magellanovom oblake s pomosh'yu kosmicheskogo IK-teleskopa im. Spitcera. Pokazano, chto 65 procentov massivnyh zvezd rozhdaetsya v associaciyah, 85 - v giganstkih molekulyarnyh oblakah (razumeetsya, nichto ne meshaet zvezde vnesti vklad i tuda, i tuda), i lish' okolo 7 procentov - sovsem odinoki. Eto nahoditsya v soglasii s analogichnoi ocenkoi dlya Galaktiki, gde, kak polagayut, 5-10 procentov massivnyh zvezd rozhdayutsya vne skoplenii ili associacii.
Authors: A. Colaiuda, V. Ferrari, L. Gualtieri, J.A. Pons Comments: 25 pages, 9 figures, submitted to MNRAS Avtory rassmatrivayut, kak magnitnye polya razlichnoi konfiguracii deformiruyut neitronnye zvezdy. Konechno, mnogie parametry izvestny ploho (topologiya polya, ego raspredelenie vnutri zvezdy), poetomu raschety v sushestvennoi stepeni model'nye. Dlya nablyudaemyh magnitarov (u nih dlinnye periody vrasheniya) iskazheniya formy za schet magnitnogo polya sil'nee, chem za schet vrasheniya. Eto vazhno dlya evolyucii etih ob'ektov (naprimer, mozhet izmenyat'sya ugol mezhdu magnitnoi os'yu i os'yu vrasheniya) i izlucheniya imi gravitacionnyh voln. A vot pri periodah poryadka desyatyh dolei sekundy dazhe magnitarnye polya dayut iskazhenie slabee, chem vrashenie. Pravda, vazhno, chto iskazheniya eti raznye. Vrashenie tol'ko splyushivaet zvezdu vdol' osi vrasheniya. A pole v zavisimosti ot topologii mozhet davat' prakticheski lyubye iskazheniya formy.
Authors: Andrea De Luca Comments: 9 pages. Invited talk at the conference "40 Years of Pulsars: Millisecond Pulsars, Magnetars and More", August 12-17, 2007, Montreal (CA). To appear in the proceedings, ed. by C.Bassa, Z.Wang, A.Cumming and V.Kaspi, AIP, in press Nebol'shoi obzor poslednih rezul'tatov po kompaktnym rentgenovskim istochnikam v ostatkah sverhnovyh. Napomnyu sut' problemy. Seichas my vidim v ostatkah okolo desyatka istochnikov, kotorye navernyaka (v nekotoryh sluchayah "pochti navernyaka") yavlyayutsya neitronnym zvezdami. Desyatok - eto ne malo. Radiopul'sarov, nadezhno associirovannyh s ostatkami primerno stol'ko zhe. Tak vot, kompaktnye istochniki eti na radiopul'sary sovsem ne pohozhi. T.e., kak minimum polovina neitronnyh zvezd dolzhna rozhdat'sya "inymi". Andrea privodit novye nablyudatel'nye rezul'taty i obsuzhdaet razlichnye gipotezy, vyskazannye po povodu etih rezul'tatov. Osobenno detal'no opisyvayutsya dannye po istochniku v ostatke RCW 103 i istochniku 1E 1207.
Authors: Zachariah B. Etienne et al. Comments: 22 pages, 14 figures, submitted to Phys.Rev.D Avtory predstavlyayut rezul'taty chislennogo modelirovaniya sliyaniya chernoi dyry i neitronnoi zvezdy, poluchennye s pomosh'yu novogo koda. Napomnyu, chto takie sobytiya vo-pervyh, sovershenno tochno yavlyayutsya moshneishimi istochnikami gravitacionnyh voln (i, skoree vsego, LIGO pervymi uvidit imenno ih), a vo-vtoryh, kakoe-to vremya takie sobytiya obsuzhdalis' kak istochniki korotkih gamma-vspleskov. Rezul'taty podtverzhdayut, chto gamma-vsplesk sdelat' trudno, t.k. pochti vse veshestvo neitronnoi zvezdy srazu provalivaetsya v dyru, i lish' zhalkie procenty idut na obrazovanie diska. Razumeetsya, avtory rasschityvayut formu gravimpul'sa. Sravnenie rezul'tatov raschetov s dannymi o budushih "otlovlennyh" vspleskah gravizlucheniya pozvolit dat' vazhnye ogranicheniya na uravnenie sostoyaniya neitronnyh zvezd.
Authors: Michael Bazot, Mario J. P. F. G. Monteiro, Christian W. Straka Comments: 9 pages, 2 figures - to appear in Helioseismology, Asteroseismology and MHD Connections, (Eds) L. Gizon et al., Journal of Physics Conference Series, 2008 Nebol'shoi, no ochen' ponyatnyi obzor po astroseismologii, nachinayushiisya "s azov". Takzhe opisany osnovnye sputniki, postavlyayushie (ili eshe planiruemye) informaciyu dlya astroseismologov.
Authors: F. Haberl, W. Pietsch Comments: Avtory summiruyut nashi znaniya o rentgenovskih istochnikah, nablyudaemyh v Bol'shom i Malom Magellanovyh Oblakah. Seichas, blagodarya rabote Chandry i HMM-N'yuton, schet idet na sotni. Osnovnoi upor avtory delayut na svoi rezul'taty po nablyudeniyam Malogo Oblaka na HMM-N'yuton.
Authors: Travis S. Metcalfe Comments: 5 pages, 4 figures, 2 tables, PASP Ochen' interesnaya, na moi vzglyad, zametka. Avtor proanaliziroval dinamiku kolichestva zashishayushih dissertacii po astronomii v SShA za 36 let, a takzhe trudoustroistvo zashishennyh. Interesnyi pokazatel': do polucheniya postoyannoi pozicii molodoi astronom dolzhen v srednem smenit' tri rabochih mesta.
Obsudit' v ZhZh-soobshestve
ru_astroph.
Authors: The Pierre auger Collaboration Comments: 33 pages, 8 figures, submitted to Astropart. phys Bol'shaya stat'ya proekta Ozhe, v kotoroi uzhe detal'no razbiraetsya obnaruzhennaya korrelyaciya s otnositel'no blizkimi aktivnymi yadrami galaktik. Povtoryat' sut' raboty net smysla. Zdes' prosto bol'she podrobnostei, chem v korotkoi zametke v Science. O nekotoryh tehnicheskih aspektah proekta mozhno pochitat' zdes': arxiv:0712.2832.
Obsudit' v ZhZh-soobshestve
ru_astroph.
Authors: Avi M. Mandell Comments: 15 pages, invited review talk, to appear in the ASP conference proceedings of the "Frank N. Bash Symposium 2007: New Horizons in Astronomy", editors: A. Frebel, J. Maund, J. Shen, M. Siegel "Rasshirit' i uglubit'". Tolkovyi obzor po vozmozhnostyam sushestvovaniya zhizni vo vselennoi i po ee poisku. Vse voprosy obsuzhdayutsya, nachinaya s tel solnechnoi sistemy. Razumeetsya, avtoru prihoditsya davat' opisanie nashih znanii ob ekzoplanetnyh sistemah, ob ih obrazovanii. Eto dovol'no uzkoe mesto, poskol'ku izvestno poka malo (osobenno pro obrazovanie). Tem ne menee, obzor chitaetsya legko i soderzhit udobnuyu svodku poslednih dannyh.
Authors: Richard Ellis, Joseph Silk Comments: 29 pages, To appear in "Structure Formation in the Universe", ed. Chabrier, G., Cambridge University Press. Bol'shoi, dostupnyi i tolkovyi obzor ot dvuh vedushih specialistov po vnegalakticheskoi astronomii i kosmologii. Osnovnye temy: temnaya materiya i energiya, a takzhe obrazovanie galaktik i epoha reionizacii. Horosho summirovano sovremennoe sostoyanie del. Nu a glavnoi temoi yavlyaetsya popytka analiza togo, chto nado sdelat' v blizhaishem budushem, kakimi metodami i tp.
Authors: D. P. Marrone et al. Comments: Submitted to ApJ. Comments welcome Kak izvestno, v centre nashei galaktiki nahoditsya sverhmassivnaya chernaya dyra (s massoi neskol'ko millionov solnechnyh). Kak izvestno, dyra nasha ves'ma neaktivna: ee svetimost' mala v sravnenii s eddingtonovskim predelom dlya takoi massy. Kak izvestno, s nei svyazan istochnik Sagittarius A*. Kak izvestno, etot istochnik vspyhivaet. Kak izvestno, prichina vspyshek neizvestna. Avtoram udalos' otnablyudat' odnu iz vspyshek srazu v chetyreh diapazonah s pomosh'yu pervoklassnyh instrumentov. Mozhno nadeyat'sya, chto eti dannye taki pomogut teoretikam postroit' okonchatel'nuyu model' vspyshek. Sm. takzhe arxiv:0712.2882, gde "konkuriruyushaya firma" obsuzhdaet tu zhe vspyshku. Etoi gruppe udalos' otnablyudat' ee i na VLA.
Authors: Licia Verde Comments: 52 pages, To appear in the proceedings of the XIX Canary Island Winter School "The Cosmic Microwave Background: from Quantum fluctuations to the present Universe" V samam dele, nikakogo bla-bla-bla. Prakticheskoe rukovodstvo. Dazhe zadachi est'. Navernoe, budet polezno ne tol'ko tem, kto nachinaet izuchat' obrabotku kosmologicheskih dannyh, a voobshe vsem, kto nachinaet ispol'zovat' statmetody dlya raboty s dannymi.
My budem starat'sya hotya by perechislit' interesnye (dlya shirokoi publiki) stat'i, poyavivshiesya v razdele physics (vklyuchaya cross-listing).
Authors: James Brau, Yasuhiro Okada, Nicholas Walker, et al ILC - International Linear Collider. V razdele physics arhiva preprintov poyavilas' seriya materialov, posvyashennyh etomu proektu. Eto budet TeVnyi elektron-pozitronnyi kollaider. Poka s etim proektom mnogo neyasnogo (nedavno Velikobritaniya sokratila ego finansirovanie). Yasno, chto ran'she 2019 goda ego ne budet. Tem ne menee, predlagaemyi material interesen sam po sebe. Hotya by uzhe za schet ponyatnogo vvedenie v temu, kotoroe ya i sovetuyu vsem prochest'. Drugie stat'i po proektu, soderzhashie uzhe tehnicheskie detali i tp.: arxiv:0712.2336 arxiv:0712.2343 arxiv:0712.2356 arxiv:0712.2361
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