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  • 11.10.2004. N'yuton smotrit na M31
  • 05.10.2004. Million sekund Kassiopei A
  • 18.09.2004. Rozhdenie lacertidy
  • 16.09.2004. Planeta okolo korichnevogo karlika

    Soderzhanie i bystryi perehod k razdelam obzora


    Stat'i nedeli
    "Luchshie iz luchshih"

  • astro-ph/0501040
    Otkrytie magnitnyh polei central'nyh zvezd planetarnyh tumannostei

  • astro-ph/0501177
    Otkrytie nesvyazannoi giperskorostnoi zvezdy v galo Mlechnogo Puti

  • astro-ph/0501199
    SGARFACE: novyi detektor dlya mikrosekundnyh gamma-vspleskov


    Goryachie temy nedeli

  • Zvezdy

    Otdel'nye stat'i
  • Fizika sverhnovyh
  • Otkrytie magnitnyh polei central'nyh zvezd planetarnyh tumannostei
  • Sostoyanie IceTop v 2004 g.
  • Kak obrazuyutsya korichnevye karliki?
  • Razborki s temnoi energiei
  • Mozhet li astronomiya upravit'sya so svoimi dannymi?
  • Ekspansivnye razvitye civilizacii vo vselennoi
  • Vest-saidskaya istoriya
  • Otkrytie nesvyazannoi giperskorostnoi zvezdy v galo Mlechnogo Puti
  • Forma kosmosa po dannym WMAP
  • Vazhneishie problemy kosmomikrofiziki
  • Dinamicheskaya evolyuciya galaktik s peremychkami
  • SGARFACE: novyi detektor dlya mikrosekundnyh gamma-vspleskov
  • Analiz istoricheskih zapisei o meteorah i meteornyh dozhdyah
  • Pul'sary v sharovyh skopleniyah
  • Akkreciruyushie millisekundnye pul'sary
  • Osnovy teorii gravitacionnyh voln
  • Neitrino i pervichnyi nukleosintez


    Iz razdela physics
  • Kommentarii na stat'yu S. Samuelya
  • Fokker-Plank i kvazilineinye programmy


    Polnyi Arhiv predydushih vypuskov.

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

    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.
  • Obzory preprintov astro-ph

    Vypusk N96
    astro-ph za 01 - 16 yanvarya 2005 goda: izbrannye stat'i

    Goryachie temy nedeli


    Zvezdy

    Hochetsya eshe raz vydelit' dva otkrytiya, svyazannyh s zvezdami. Eto obnaruzhenie magnitnogo polya u zvezd planetarnyh tumannostei i otkrytie zvezdy s ochen' vysokoi prostranstvennoi skorost'yu.

    Zachastuyu sovremennaya astronomiya associiruetsya lish' s samymi goryachimi temami v nei: kosmologiya, chernye dyry, ekzoplanety, polety k telam Solnechnoi sistemy i t.p. Odnako i izuchenie zvezd po-prezhnemu daet novye vazhnye i interesnye rezul'taty. V etot vypusk my vklyuchili vsego dve (samye interesnye, na nash vzglyad) raboty po zvezdam. Odnako ih za pervuyu polovinu yanvarya poyavilos' nemalo. Vse zhelayushie priglashayutsya na prostory Arhiva.



    Referaty otdel'nyh statei




    miniobzor astro-ph/0501002 Fizika sverhnovyh (Physics of Supernovae)
    Authors: D. K. Nadyozhin, V. S. Imshennik
    Comments: 15 pages, 7 figures, 1 table, 72 references; Invited Lecture at the ECRS-19 (Florence, Italy, Aug.-Sep. 2004)

    Posle kratkogo no soderzhatel'nogo obzora osnovnyh svoistv sverhnovyh avtory perehodyat k svoei modeli, i v nekotoryh detalyah obsuzhdayut neitrinnyi signal ot SN1987A i svyazannye s etim problemy i puti ih resheniya.


    astro-ph/0501040 Otkrytie magnitnyh polei central'nyh zvezd planetarnyh tumannostei (Discovery of magnetic fields in central stars of planetary nebulae)
    Authors: Stefan Jordan et al.
    Comments: 8 pages, 4 figures, Accepted for Publication by Astronomy & Astrophysics See also press release by A&A on their homepage www.edpsiences.org

    S pomosh'yu teleskopov VLT vpervye udalos' zaregistrirovat' magnitnye polya u central'nyh zvezd planetarnyh tumannostei! Sdelano eto pri pomoshi polyarimetricheskih nablyudenii. Vsego dannye polucheny dlya chetyreh ob'ektov. Polya sostavlyayut poryadka tysyach Gauss. Vazhno, chto vsego-to i bylo issledovano chetyre istochnika. T.e. dlya vseh ob'ektov v vyborke byl poluchen nenulevoi rezul'tat (hotya dlya dvuh zvezd dostovernost' izmerennyh polei ne velika). Vyskazyvaetsya gipoteza, chto polya budut tak ili inache zatuhat' pri perehode zvezdy so stadii yadra planetarnoi tumannosti k stadii belogo karlika. Osnovaniem dlya etoi gipotezy sluzhit maloe kolichestvo sil'no zamagnichennyh belyh karlikov (a pri sohranenii magnitnogo potoka pole karlika budet sushestvenno vyshe polya yadra planetarnoi tumannosti).

    Avtory obsuzhdayut, kak nablyudaemye polya mogut vliyat' na morfologiyu tumannosti. Oni polagayut, chto imenno magnitnoe pole otvetstvenno za bipolyarnuyu strukturu mnogih planetarnyh tumannostei.


    miniobzor astro-ph/0501046 Sostoyanie IceTop v 2004 g. (IceTop Status in 2004)
    Authors: Todor Stanev
    Comments: 4 pages, 3 figures, Presentation at the Neutrino Oscillation Workshop - NOW2004

    Dekabr'-yanvar' - pora podvedeniya itogov. V etoi nebol'shoi zametke rasskazyvaetsya o tom, chto proishodilo s ustanovkoi IceTop v proshlom godu. Napomnim, chto IceTop - eto "verhushka aisberga", nazyvaemogo IceCube, t.e. eto nazemnaya chast' gigantskogo neitrinnogo teleskopa. Oba detektora tol'ko stroyatsya, poetomu "mnogoe sdelano, no mnogoe eshe predstoit". V dekabre nachalas' ustanovka nekotorogo oborudovaniya.

    Sm. takzhe obzor The Pierre Auger Observatory -Status and Prospects, v kotorom opisyvaetsya sostoyanie del v proekte Auger.


    miniobzor astro-ph/0501049 Kak obrazuyutsya korichnevye karliki? (How do brown dwarves form?)
    Authors: Anthony P. Whitworth, Simon P. Goodwin
    Comments: To appear in the proceedings of "Low Mass Stars and Brown Dwarfs: IMF, Accretion and Activity" (Volterra, 2004). 6 pages, 1 figure

    Rassmotreny chetyre mehanizma obrazovaniya korichnevyh (buryh) karlikov: vybros zvezdnogo zarodysha iz formiruyushegosya yadra za schet dinamicheskogo vzaimodeistviya; fragmentaciya szhatogo sloya iz-za neprozrachnosti; gravitacionnye neustoichivosti v diskah, vyzvannye vzaimodeistviem s drugimi diskami; fotoeroziya (t.e. razrushenie izlucheniem) protozvezdnyh yader. Avtory polagayut, chto vazhno nabirat' statistiku po dvoistvennosti korichnevyh karlikov, a takzhe, chto nado detal'nee issledovat' diski vokrug etih ob'ektov.

    Takzhe sm. stat'yu The Decay of Accreting Triple Systems as Brown Dwarf Formation Scenario, gde opisan eshe odin mehanizm.


    miniobzor astro-ph/0501057 Razborki s temnoi energiei (Dealing with Dark Energy)
    Authors: Eric V. Linder
    Comments: 14 pages, 2 figures; to be published in 5th International Heidelberg Conference, DARK2004

    Konechno, perevod zagolovka stat'i ne vpolne adekvaten, tem ne menee, na nash vzglyad, on "catchy" i peredaet smysl proishodyashego: nuzhno imenno chto razobrat'sya s etim fenomenom.

    Ne budem pereskazyvat' soderzhanie obzora. V nem opisany osnovnye dostizheniya, problemy i plany, svyazannye s temnoi energiei.


    astro-ph/0501089 Mozhet li astronomiya upravit'sya so svoimi dannymi? (Can Astronomy Manage Its Data?)
    Authors: Ray P Norris
    Comments: 5 pages, IAU Bulletin, 2005, #96, 16

    Korotko obsuzhdayutsya osnovnye problemy, svyazannye s obiliem dannyh nablyudenii v astronomii. Hochetsya vse eto imet' v uporyadochennom legko dostupnom svobodnom dostupe. No sdelat' takuyu sistemu dovol'no neprosto. Budem nadeyat'sya, chto sozdanie Virtual'noi observatorii po bol'shei chasti reshit vse eti problemy.


    astro-ph/0501119 Ekspansivnye razvitye civilizacii vo vselennoi (Expanding advanced civilizations in the universe)
    Authors: Claudius Gros
    Comments: JBIS, in press

    Korotkaya zametka, posvyashennaya ondmu iz vozmozhnyh reshenii paradoksa Fermi. Napomnim, chto sut' paradoksa sostoit v vyskazyvanii: "esli by vnezemnye civilizacii sushestvovaoli, to ih korabli uzhe byli by v Solnechnoi sisteme" (sm., naprimer, diskussiyu i ssylki na saite "Russkii Pereplet").

    Avtor predstavlyaet optimisticheskuyu chast' issledovatelei, schitayushih, chto vse-taki mozhno neprotivorechivo uvyazat' otsutstvie skol'-nibud' dostovernyh dannyh o "zvezdoletah na Zemle" s sushestvovaniem mnozhestva civilizacii v nashei Galaktike. Pravda, na nash vzglyad, rassuzhdeniya avtora ne bleshut noviznoi. Po suti, on rassmatrivaet situaciyu, v kotoroi ne proishodit bystroi ekspansii razvitoi tehnicheskoi civilizacii. Tochnee, periody burnogo rosta peremezhayutsya dlinnymi epohami zastoya.


    istoricheskii obzor astro-ph/0501170 Vest-saidskaya istoriya (West-Side Story [On the History of Density-Wave Spiral Theories in the 1960s])
    Authors: Leonid Marochnik
    Comments: 16 pages

    My pisali o dvuh stat'yah Igorya Pashi, posvyashennyh istorii issledovaniya struktur galaktik (v Arhive oni vyhodili v 2004 godu). Dannyi obzor predstavlyaet soboi nekotoroe "algebraicheskoe dopolnenie". Po mneniyu Leonida Marochnika v obzorah Pashi nedostatochno opisan vklad sovetskih uchenyh. Sootvetstvenno, Marochnik daet etu dopolnitel'nuyu informaciyu i delitsya svoimi sobstvennymi vospominaniyami (a emu est' chto vspomnit'! ego [v soavtorstve s Suchkovym] knigu "Galaktika" znayut, navernoe, vse astronomy, chitayushie po-russki, i ne tol'ko po-ruski, t.k. ona byla perevedena). Nekotoraya ironiya, na nash vzglyad, sostoit v tom, chto seichas Igor' Pasha prodolzhaet rabotat' v Rossii, a Leonid Marochnik zhivet i rabotaet v SShA.


    astro-ph/0501177 Otkrytie nesvyazannoi giperskorostnoi zvezdy v galo Mlechnogo Puti (Discovery of an Unbound Hyper-Velocity Star in the Milky Way Halo)
    Authors: Warren R. Brown et al.
    Comments: 4 pages, submitted to ApJ Letters

    Otkryta zvezda, dvizhushayasya s ochen' vysokoi skorost'yu - okolo 800 km/s. Avtory polagayut, chto ona mogla byt' vybroshena iz central'noi oblasti Galaktiki za schet dinamicheskogo vzaimodeistviya.


    obzor astro-ph/0501189 Forma kosmosa po dannym WMAP (The Shape of Space after WMAP data)
    Authors: Jean-Pierre Luminet
    Comments: 19 pages, 9 postscript figures. Invited talk at the XXV Brazilian National Meeting on Elementary Particles and Fields, 23-27 August 2004. To be published in Brazilian Journal of Physics

    Navernoe, mnogim pamyatna diskussiya, razgorevshayasya posle publikacii raboty Luminet s soavtorami v Nature. V etom obzore on daet svodku rezul'tatov (i podhodov) svyazannyh s izucheniem topologii Vselennoi po dannym o reliktovom izluchenii.


    obzor astro-ph/0501195 Vazhneishie problemy kosmomikrofiziki (Outstanding Problems in Particle Astrophysics)
    Authors: Thomas K. Gaisser
    Comments: 32 pages, 9 figures. This paper combines two lectures presented at the 14th International School of Cosmic Ray Astrophysics: "Neutrinos and Explosive Events in the Universe", July, 2004

    My pozvolili sebe ispol'zovat' dlya perevoda Particle Astrophysics bolee privychnyi dlya russkogo uha termin "kosmomikrofizika". Dannaya stat'ya predstavlyaet soboi summu dvuh lekcii, prochitannyh v iyule etogo goda v Eriche (smeyu vas zaverit', chto lekcii byli interesnymi - S.P.).

    Shkola byla posvyashena v osnovnom kosmicheskim lucham, sootvetstvenno i v etih lekciya mnogo govoritsya ob etoi tematike.


    obzor astro-ph/0501196 Dinamicheskaya evolyuciya galaktik s peremychkami (Dynamical Evolution of Barred Galaxies)
    Authors: E. Athanassoula
    Comments: 24 pages, 11 figures, invited review, 2004 DDA meeting in Cannes, april 19-23, Celestial Mechanics & Dynamical Astronomy (in press)

    Novye dannye nablyudenii (v pervuyu ochered' s Kosmicheskogo teleskopa) dayut mnogo novoi informacii po morfologii galaktik. V etoi stat'e rech' idet o galaktikah s peremychkami (barami). V osnovnom avtor koncentriruetsya na teoreticheskoi storone problemy, no ne oboideny vnimaniem i real'nye dannye.


    astro-ph/0501199 SGARFACE: novyi detektor dlya mikrosekundnyh gamma-vspleskov (SGARFACE: A Novel Detector For Microsecond Gamma Ray Bursts)
    Authors: S. LeBohec et al.
    Comments: 29 pages, 14 figures, accepted for publication in Astroparticle Physics

    Rech' idet o nazemnyh nablyudeniyah na observatorii Whipple na 10-metrovom gamma-teleskope. Novaya apparatura pozvolit detektirovat' zhestkie gamma-kvanty (>100 MeV) vo vspyshkah s dlitel'nost'yu do 35 mikrosekund!


    astro-ph/0501216 Analiz istoricheskih dannyh po meteoram i meternym dozhdyam (Analysis of historical meteor and meteor shower records: Korea, China, and Japan)
    Authors: Hong-Jin Yang et al.
    Comments: 29 pages, 7 figures. To appear in Icarus

    Avtory ispol'zovali tri sbornika koreiskih letopisei, pokryvayushih periody 57 g. do n.e.- 935 g. n.e., 918 - 1392 i 1392-1910. Obnaruzheny dannye o 3861 meteore i 31 dozhdyah. Dannye sravnivayutsya s zapisyami v kitaiskih i yaponskih letopisyah. Odnim iz interesnyh rezul'tatov yavlyaetsya obnaruzhenie umen'sheniya aktivnosti Perseid na ochen' bol'shom promezhutke vremeni.


    obzor astro-ph/0501226 Pul'sary v sharovyh skopleniyah (Pulsars in Globular Clusters)
    Authors: Fernando Camilo, Frederic A. Rasio
    Comments: Review included in proceedings of Aspen 2004 meeting "Binary Radio Pulsars"; 23 pages, 9 included EPS figures Journal-ref: ASP Conf. Ser. Vol. 328, 2005: Binary Radio Pulsars, eds. F. A. Rasio & I. H. Stairs (San Francisco: ASP), p. 147

    Bolee 100 radiopul'sarov obnaruzheno v 24 sharovyh skopleniyah (napominim, chto samih skoplenii gorazdo bol'she, prosto ne vo vseh poka (?) obnaruzhili radiopul'sary). Fakticheski vse pul'sary millisekundnye, t.e. "raskruchennye" akkreciei. Eto starye neitronnye zvezdy, period vrasheniya kotoryh byl umen'shen za schet uglovogo momenta veshestva, natyanutogo s kompan'ona v tesnoi dvoinoi sisteme.

    Pochti polovina izvestnyh radiopul'sarov v sharovyh skopleniyah nahoditsya v Terzan 5 i 47 Tukana. O skoplenii Terzan 5 est' otdel'naya svezhaya (dovol'no populyarnaya) stat'ya.


    miniobzor astro-ph/0501264 Akkreciruyushie millisekundnye pul'sary (Accretion-driven millisecond X-ray pulsars)
    Authors: Rudy Wijnands
    Comments:To appear in Nova Science Publishers (NY) volume "Pulsars New Research"

    Vyshe my napisali, chto millisekundnye radiopul'sary byli raskrucheny v tesnyh dvoinyh sistemah. Odnako dolgoe vremya astronomy ne mogli zaregistrirovat' akkreciruyushie millisekundnye pul'sary. Takie ob'ekty dolzhny byli by nablyudat'sya kak rentgenovskie istochniki. Lish' neskol'ko let nazad oni byli obnaruzheny.

    Pervoi otkrytoi sistemoi etogo tipa stal istochnik SAX J1808.4-3658 (SAX v nazvanii ukazyvaet, chto otkrytie bylo sdelano na sputnike BeppoSAX). Imenno etomu ob'ektu posvyashena bOl'shaya chast' predstavlyaemogo obzora.

    Otmetim zdes' i druguyu svezhuyu stat'yu. "Constraining Brans-Dicke Gravity with Millisecond Pulsars in Ultracompact Binaries". V nei predlagaetsya ispol'zovat' pyat' izvestnyh akkreciruyushih millisekundnyh rentgenovskih pul'sarov dlya proverki teorii gravitacii.


    obzor gr-qc/0501041 Osnovy teorii gravitacionnyh voln (The basics of gravitational wave theory)
    Authors: Eanna E. Flanagan, Scott A. Hughes
    Comments: 47 pages, 3 figures. For special issue of New Journal of Physics, "Spacetime 100 Years Later", edited by Richard Price and Jorge Pullin

    Razvernutoe vvedenie v teoriyu gravitacionnyh voln.

    2005 god - god fiziki. Svyazano eto v pervuyu ochered' so stoletiem special'noi teorii otnositel'nosti. V svyazi s etim ozhidaetsya mnogo konferencii i sbornikov. Tak chto u vseh zhelayushih budet mnogo vozmozhnostei pochitat' pro gravitaciyu, prostranstvo-vremya & Co.


    obzor hep-ph/0501100 Neitrino i pervichnyi nukleosintez (Neutrinos And Big Bang Nucleosynthesis)
    Authors: Gary Steigman
    Comments: Accepted for publication in the Proceedings of Nobel Symposium 129, "Neutrino Physics"; to appear in Physics Scripta, eds., L Bergstrom, O. Botner, P. Carlson, P. O. Hulth, and T. Ohlsson

    Predskazaniya teorii pervichnogo nukleosinteza mozhno proveryat' po dannym izmerenii obiliya nekotoryh elementov. V svoyu ochered', teoriya zavyazana na svoistva reliktovyh neitrino. Znachit, mozhno prokinut' mostik ot nablyudenii obiliya elementov k svoistvam neitrino.



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

    gr-qc/0501001 Kommentarii na stat'yu S. Samuelya (Comments on the paper by S. Samuel "On the speed of gravity and the Jupiter/Quasar measurement")
    Authors: Sergei Kopeikin
    Comments: 14 pages, one figure, text improved, references added

    Sergei Kopeikin otvechaet na zamechaniya Styuarta Samuelya, o kotoryh my pisali ran'she.

    physics/0501066 Fokker-Plank i kvazilineinye programmy (Fokker-Planck and Quasilinear Codes)
    Authors: Charles F. F. Karney
    Comments: 52 pages, 13 figures. Presented at 3rd European Workshop on Problems in the Numerical Modeling of Plasmas, Varenna, Italy, September 10-13 (1985). Reprinted in "Problems in the Numerical Modeling of Plasmas", edited by K. Appert (1986)

    Staraya, no aktual'naya stat'ya, posvyashennaya vzaimodeistviyu radiovoln s plazmoi.


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