[Message Prev][Message Next][Thread Prev][Thread Next][Message Index][Thread Index]

[vsnet-alert 3235] Progenitor of Nova Aql 1999



NOVA AQUILAE 1999

The following astrometry (J2000.0) is currently available:
R.A. 19h07m36.90s  Decl. +12o31'26.2"   Akimasa Nakamura (vsnet-alert 3224)
     19h07m36.91s        +12o31'26.7"   Nick James       (vsnet-alert 3229)

There is no star in the USNO-A2.0 catalogue sufficiently close to these
coordinates.

A mag 17-18 star is visible on the DSS image (POSS-II red plate) at
R.A. 19h07m37.20s  Decl. +12o31'26.8"  (J2000.0)
This star seems to be a little bit too far east. And an amplitude of 8-9
magnitudes would be rather small for a classical nova (however, the maximum
of Nova Aql 1999 may have been missed).
 
I suppose the prenova was fainter than mag 20 and is invisible on the POSS
(red) plates. 
 
Regards,
Patrick
 
P.S.:
Please check your photos of the region around Nova Aql 1999 - especially
those taken in the days before July 14.

VSNET Home Page

Return to Daisaku Nogami


vsnet-adm@kusastro.kyoto-u.ac.jp