Pont mellette van a hold, ezt ma kihagyom :(
Tóth Tamás
> -----Original Message-----
> From: mira-bounces@mcse.hu [mailto:mira-bounces@mcse.hu] On Behalf Of
> FIDRICH Robert (Fidusz)
> Sent: Sunday, July 28, 2013 5:25 PM
> To: mira@mcse.hu
> Subject: [Mira] SN2013ej in M74 = PSN J01364816+1545310
>
> Sziasztok!
>
> A CBET 3606. száma szerint az M74-ben feltűnt szupernóva hivatalos
> jelölése: SN2013ej.
>
>
> * * *
>
> SUPERNOVA 2013ej IN M74 = PSN J01364816+1545310
> Further to CBET 3588, M. Kim, W. Zheng, W. Li, and A. V.
> Filippenko, University of California at Berkeley; and S. B. Cenko,
> Goddard Space Flight Center, report the LOSS discovery of an apparent
> supernova in M74 = NGC 628 on unfiltered KAIT images:
>
> SN 2013 UT R.A. (2000.0) Decl. Mag. Offset
> 2013ej July 25.45 1 36 48.16 +15 45 31.0 13.5 92".5 E, 135"
> S
>
> The object was observed again on July 26.44 UT at mag 13.1, having
> increased about 0.4 mag in one day, indicating that it may be a young
> supernova on the rise. No other KAIT observations were made in the
> past several months, prior to July 25. A finding chart is posted at
> the following website URL:
>
http://astro.berkeley.edu/~zwk/findingchart/PSN_J01364816+1545310.jpg.
> The variable was designated PSN J01364816+1545310 when it was posted at
> the Central Bureau´s TOCP webpage and is here designated SN 2013ej
> based on the spectroscopic confirmation reported below. M. W.
> Richmond, Rochester Institute of Technology, confirms the presence of a
> bright new transient in
> M74 at the above position; CCD images taken with the RIT Observatory´s
> 30-cm Schmidt-Cassegrain telescope (+ SBIG ST-8E camera with Bessell
> filters) around July 27.21 indicate that the variable is very blue.
> Additional magnitudes for 2013ej, via unfiltered CCD unless noted
> otherwise: July 27.377, 12.8 (A. Amorim, Florianopolis, Brazil, 0.20-m
> reflector in moonlight; visual); 27.7, V = 12.6, R = 13.0 (Ernesto
> Guido and Nick Howes, remotely using a 0.43-m f/6.8 astrograph of the
> ITelescope network at Siding Spring; position end figures 48s.20,
> 31".0; UCAC-3 catalogue reference stars; an animation showing a
> comparison between their confirmation image and a red Digitized Sky
> Survey plate form 1996 is posted at URL
http://bit.ly/1bvi1OS; their
> annotated confirmation image is posted at
http://bit.ly/177HYw5);
> 28.028, 12.8 (Gianluca Masi and Francesca Nocentini, remotely using a
> 35-cm robotic telescope at Ceccano, Italy; position end figures 48s.18,
> 30".9); 28.7, 12.8 (Andrea Mantero, Bernezzo Observatory, Italy; 0.25-m
> f/4 reflector; position end figures 48s.01, 31".0; UCAC-4 catalogue
> reference stars; image posted at URL
>
http://www.flickr.com/photos/andreagalaxy/9382629530/).
>
> D. D. Balam, Dominion Astrophysical Observatory, National Research
> Council of Canada; M. L. Graham, Las Cumbres Observatory Global
> Telescope, University of California at Santa Barbara; and E. Y. Hsiao,
> Las Campanas Observatory, report that a spectrogram (range 369-700 nm,
> resolution 0.3 nm) of PSN J01364816+1545310 = SN 2013ej, obtained on
> July 27.41 UT with the 1.82-m Plaskett Telescope of the National
> Research Council of Canada, shows a moderately blue continuum with weak
> Balmer emission lines showing P-Cyg profiles, suggesting that this is a
> core-collapse event.
>
> * * *
>
> Jó észlelést!
>
> Fidusz
>
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