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AAVSO Special Notice #56: N Vul 07 AAVSO HOME > publications > special notice

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


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