Автор Тема: 2007  (Прочитано 6587 раз)

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2007
« : 10 Август 2007, 10:48:27 »
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AAVSO Special Notice #55

Possible Nova in Vul
August 8, 2007

CBET 1027 reports that Hiroshi Abe has discovered
a new bright nova around August 8, at coordinates
19:54:24.64 +20:52:51.9 J2000
and with brightness V=9.4mag.  A possible progenitor
star is visible on the POSS-I survey plates at
about V=18.

This sounds like an ideal target for northern observers.
You can plot the field using VSP:
http://www.aavso.org/observing/charts/vsp/index.html
and entering the coordinates given above.  This is about
7arcmin from SS Vul, a Mira that is not on the AAVSO
program.  We will create a sequence for the new nova
as soon as possible.
Arne
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Information on submitting observations to the AAVSO may be found at:
http://www.aavso.org/observing/submit/

SPECIAL NOTICE ARCHIVE AND SUBSCRIPTION INFORMATION

A Special Notice archive is available at the following URL:
http://www.aavso.org/publications/specialnotice/

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AAVSO Special Notice #56

N Vul 07
August 9, 2007

N Vul 07 (CBET 1027, AAVSO Special Notice #55) is most likely a nova;
high-resolution spectra are being analyzed to confirm the object's nature.
An AAVSO Alert Notice will be issued later, but the purpose of this special
notice is to inform observers that:

- N Vul 07 (19:54:24.64 +20:52:51.9 (2000.0)) has been added to the AAVSO
files as 1950+20 N VUL 07.
- An AAVSO chart with photometry by Richard Miles may be obtained from the
AAVSO Variable Star Plotter (VSP) by going to
http://www.aavso.org/observing/charts/vsp/
and entering 1950+20 or N VUL 07.
- Observations reported to the AAVSO indicate that N Vul 07 is continuing
to brighten:
AUG 08.9604 UT, 9.30 CCD (based on USNO A2.0), D. Rodriguez, Madrid, Spain;
09.0056, 9.3 (based on Tycho magnitude), S. Swierczynski, Dobczyce, Poland;
09.0486, 9.0, Swierczynski;   
09.0590, 9.4 (AAVSO RS Sge comparison sequence), G. Chaple, Townsend, MA;
09.0931, 8.7, M. Komorous, London, Ontario, Canada;
09.1111, 8.7 (GSC 1625-855 (8.6), GSC 1629-594 (9.0)), L. Shotter, Uniontown,PA;
09.1875, 8.4 (based on Tycho magnitudes), R. King, Duluth, MN;
09.2083, 8.7 (GSC1628-1232 (8.4), GSC1628-214 (9.1), J. Bortle, Stormville, NY;

Tim Crawford, Arch Cape, OR, reports V photometry (using Richard Miles' value
of 9.802V for comparison star TYC 1628 0666):
Aug 09. 19576 UT, 8.368;
.21751, 8.349;
.24450, 8.361;
.27008, 8.344;
.38532, 8.223;
.40890, 8.178;
.43109, 8.143.

Please submit your observations of N VUL 07 to the AAVSO via WebObs as soon
as possible after you make them. Please be sure to include the comparison
stars used.

Many thanks and good observing!

This special notice was compiled by: Elizabeth O. Waagen


---------------------------------------------------
SUBMIT OBSERVATIONS TO THE AAVSO

Information on submitting observations to the AAVSO may be found at:
http://www.aavso.org/observing/submit/

SPECIAL NOTICE ARCHIVE AND SUBSCRIPTION INFORMATION

A Special Notice archive is available at the following URL:
http://www.aavso.org/publications/specialnotice/

Subscribing and Unsubscribing may be done at the following URL:
http://www.aavso.org/publications/email/


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Re: 2007
« Ответ #4 : 15 Август 2007, 19:46:52 »

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Re: 2007
« Ответ #5 : 17 Август 2007, 01:51:24 »

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Re: 2007
« Ответ #7 : 22 Август 2007, 19:17:03 »

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2007?!?
« Ответ #9 : 12 Сентябрь 2007, 23:25:12 »
« Последнее редактирование: 12 Сентябрь 2007, 23:27:51 от ctac »