AAVSO NEWS FLASH No. 37 (July 16) tells the yellow symbiotic variable AG Dra is undergoing an outburst as indicated by the following AAVSO photoelectric and visual observations:
Photoelectric observations by Franco Montagni and Maurizio Maesano (Italy)
Date Time --------- Magnitudes ----------
06 March 1996 22:36 UT B=10.61 V=9.54
04 May 21:35 UT B=11.00 V=9.73
07 June 22:30 UT B=10.59 V=9.58
08 June 22:40 UT B=10.43 V=9.45
16 June 21-22 UT B=10.35 V=9.28 R=8.58 I=8.00
17 June 22-23 UT B=10.51 V=9.41 R=8.67 I=8.04
20 June 23-24 UT B=10.31 V=9.27 R=8.58 I=7.94
30 June 22-23 UT B=10.00 V=9.05 R=8.35 I=7.73
04 July 22-23 UT B=10.17 V=9.20 R=8.45 I=7.87
06 July 22-23 UT B= 9.94 V=9.04 R=8.35 I=7.79
30-cm and 50-cm telescopes, ST-6 CCD
visual observations:
AAVSO Observer AAVSO Observer
UT Mag. Initials UT Mag. Initials
JUN 02.3174 10.1 SQN JUN 15.9 9.6 FRF
JUN 04.2076 9.8 HSG JUN 16.2688 9.7 HSG
JUN 04.935 9.7 DPA JUN 17.1931 9.7 HSG
JUN 05.1757 9.7 HSG JUN 20.2090 9.7 HSG
JUN 05.2681 9.6 SQN JUN 22.1993 9.7 HSG
JUN 06.2667 9.6 SQN JUN 22.2799 9.7 SQN
JUN 07.1965 9.8 HSG JUN 23.3701 9.7 SQN
JUN 07.2507 9.6 SQN JUN 25.1729 9.7 HSG
JUN 07.896 9.7 DPA JUN 30.217 9.3 BEB
JUN 09.175 9.9 MKJ JUN 30.2632 9.7 SQN
JUN 09.2569 9.6 SQN JUN 30.2875 9.6 HSG
JUN 11.1583 9.7 HSG JUL 02.158 9.3 BEB
JUN 11.2681 9.7 SQN JUL 03.2306 9.3 BEB
JUN 14.2958 9.8 HSG JUL 04.8889 9.5 KIS
JUN 14.3007 9.7 SQN JUL 06.1049 9.4 BRJ
JUN 14.9 9.7 FRF JUL 11.0924 9.4 BRJ
JUN 14.927 9.6 SKP JUL 12.0951 9.4 MKJ
Mattei also tells the charts are available at the AAVSO anonymous ftp: (in ftp://ftp.aavso.org/pub/charts/).
We will be providing a real-time light curve on the VSNET Home Page, through which the latest compilation of reported observations can be also retrieved. Please keep a close eye on the object, report your observations to vsnet-obs, and related updates on the VSNET WWW pages. Older light curve is also presented at the same location.
Regards,
Taichi Kato (VSNET sub-manager)
VSNET real-time light-curve
Compiled observations from vsnet-obs
Light curves of symbiotic stars
Return to HomePage