Projets Spectroscopie 4


Nova Aquilae 2009

 

Retour Spectro

 

 

 

The Central Bureau for Astronomical Telegrams announces in Electronic Telegram (CBET) No. 2075
(Daniel W. E. Green, ed.) that Koichi Nishiyama, Kurume, Fukuoka-ken, Japan, and Fujio Kabashima, Miyaki-cho, Saga-ken, Japan,
report their discovery of a possible nova in Aquila at magnitude 10.9 on two 40-second nfiltered CCD frames taken on Dec. 14.398 and 14.399 UT.
Confirming unfiltered CCD frames taken around Dec. 14.408 show the object at magnitude 10.9.
Coordinates: 19:14:09.73 +15:16:34.7 (equinox 2000.0)

 

18 12 2009 17:00 UT Mag V ~10,5
LX 200 254 mm LHIRES III CCD Starlight SXV-H9
1 exp 120 sec Bin 2
0,43 nm/px

19 12 2009 17:05 UT Mag V ~10,8
LX200 254 mm LHIRES III CCD Starlight SXV-H9
5 exp 120 sec Bin 2
0,43 nm/px
SNR faible

20 12 2009 17:05 UT Mag V ~11.5
LX200 254 mm LHIRES III CCD Starlight SXV-H9
3 exp 300 sec Bin 2
0,43 nm/px
SNR faible

mesure vitesse expansion sur Ha = 2600 km/s