Lájkolom!

Este meg lehetne egy szimultán CH UMa
felmenő és Z UMi lemenő észlelési akciót csinálni
(országszerte), hacsak el nem visz a szél.

Mzs



FIDRICH Robert wrote:
> Sziasztok!
>
> Most látom, hogy a CBET Kuli Zoli és Sárneczky Krisztián újabb
> szupernóva felfedezéséről adott hírt:
>
>
>                                                   Electronic Telegram No.
> 2654
> Central Bureau for Astronomical Telegrams
> INTERNATIONAL ASTRONOMICAL UNION
>
> SUPERNOVA 2011ab
>      Z. Kuli, Hungarian Astronomical Association; and K. Sarneczky,
> Konkoly
> Observatory, write that they discovered of a possible supernova (mag 19.7)
> in
> 37.5-min co-added unfiltered CCD images (limiting mag 21.5) taken on Jan.
> 30.753 UT with the 0.60-m Schmidt telescope at Konkoly Observatory at
> Piszkesteto, Hungary.  The new object, which appeared at mag 19.3 on an
> image
> taken on Feb. 1.733, is located at R.A. = 1h09m52s.97, Decl. =
> +15d59´43".3
> (equinox 2000.0), which is 0".6 east of the center of the presumed host
> galaxy
> (whose presumed-SDSS r magnitude is 20.6).  No point source is visible at
> this
> position on co-added 50-min reference images taken on 2010 Oct. 31 and
> 2011
> Jan. 3 (limiting mag 22.5 on both images).  An animated gif showing the
> variable is posted at http://titan.physx.u-szeged.hu/~sky/poss-sn2.gif.
>
>      J. Vinko, University of Szeged; J. C. Wheeler and E. Chatzopoulos,
> University of Texas; and G. H. Marion, Harvard-Smithsonian Center for
> Astrophysics and University of Texas, report that a spectrum of 2011ab,
> obtained on Feb. 6.07 UT with the 9.2-m Hobby-Eberly Telescope (+ Marcario
> Low-Resolution Spectrograph; wavelength range 420-1020 nm) by S.
> Rostopchyn,
> shows broad P-Cyg features of H-alpha and H-beta superimposed on a blue
> continuum, implying that the transient is most likely a type-II supernova.
> The observed spectrum is well matched by P. Nugent´s type-II-P supernova
> template (http://supernova.lbl.gov/~nugent/nugent_templates.html) at six
> days
> after shock breakout, which agrees with the brightening of the transient
> reported by the discoverers.  The redshift estimated from the narrow
> H-alpha
> feature from the host galaxy is z = 0.075.  At the distance of 308 Mpc,
> the
> observed brightness of mag 19.3 corresponds to absolute mag -18.1,
> although
> this estimate also contains contribution from the host galaxy.
>
>                          (C) Copyright 2011 CBAT
> 2011 February 11                 (CBET 2654)              Daniel W. E.
> Green
>
> * * *
>
> Granula Zolinak és Krisztiánnak, valamint Vinkó Józsiéknak a
> spektroszkópikus megerősítéshez!
>
> Remélem, hamarosan magyarul is lesz róla híradás a hírportálon...
>
> --
> Fidusz (FIDRICH Robert)
> drotlevel:fidusz@zpok.hu
> #jabber/gtalk: fidusz@jabber.hu
> #skype: fidusz
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