[vsnet-alert 12099] symbiotic star activity

[Berto Monard]

Hello,

Lately the following southern symbiotic stars have been brighter than was seen the last five years:

AS 288

2454898.63                          14.32     CCD-V                   MLF
2454919.60                          14.35     CCD-V                   MLF
2454940.40                          14.45     CCD-V                   MLF
2454951.60                          14.45     CCD-V                   MLF
2454969.60                          14.55     CCD-V                   MLF
2454977.60                          14.51     CCD-V                   MLF
2455002.50                          14.50     CCD-V                   MLF
2455014.30                          14.45     CCD-V                   MLF
2455028.25                          14.49     CCD-V                   MLF
2455056.30                          14.57     CCD-V                   MLF
2455074.20                          14.51     CCD-V                   MLF
2455080.30                          14.58     CCD-V                   MLF
2455096.20                          14.50     CCD-V                   MLF
2455112.25                          14.45     CCD-V                   MLF
2455139.25                          13.95     CCD-V                   MLF
2455158.25                          13.95     CCD-V                   MLF
2455228.60                          13.26     CCD-V                   MLF
2455298.50                          12.92     CCD-V                   MLF
2455303.55                          13.05     CCD-V                   MLF
2455322.62                          12.97     CCD-V                   MLF
2455337.60                          12.96     CCD-V                   MLF
2455342.60                          12.92     CCD-V                   MLF
2455357.38                          13.30     CCD-V                   MLF
2455385.40                          12.77     CCD-V                   MLF
2455405.25                          12.66     CCD-V                   MLF
2455417.34                          12.63     CCD-V                   MLF


V840 Cen

2454594.29                          14.55     CCD-V                   MLF
2454622.23                          14.44     CCD-V                   MLF
2454658.23                          14.53     CCD-V                   MLF
2454681.23                          14.53     CCD-V                   MLF
2454732.21                          14.54     CCD-V                   MLF
2454806.59                          14.58     CCD-V                   MLF
2454883.40                          14.50     CCD-V                   MLF
2454898.50                          14.57     CCD-V                   MLF
2454940.30                          14.62     CCD-V                   MLF
2455014.30                          14.50     CCD-V                   MLF
2455056.30                          14.52     CCD-V                   MLF
2455162.60                          14.43     CCD-V                   MLF
2455211.50                          14.75     CCD-V                   MLF
2455233.50                          14.49     CCD-V                   MLF
2455295.25                          14.60     CCD-V                   MLF
2455350.22                          14.12     CCD-V                   MLF
2455369.18                          14.65     CCD-V                   MLF
2455417.27                          13.61     CCD-V                   MLF
2455418.20                          13.59     CCD-V                   MLF


QS Nor (a suspected symbiotic star) is showing a deep fade (eclipse?).
A previous fade did not reach that faint

2454985.50                          13.23     CCD-V                   MLF
2455002.50                          13.26     CCD-V                   MLF
2455014.30                          13.20     CCD-V                   MLF
2455028.25                          13.22     CCD-V                   MLF
2455056.30                          13.16     CCD-V                   MLF
2455074.20                          13.28     CCD-V                   MLF
2455096.20                          13.17     CCD-V                   MLF
2455118.20                          12.92     CCD-V                   MLF
2455209.60                          12.96     CCD-V                   MLF
2455233.50                          12.90     CCD-V                   MLF
2455298.50                          12.94     CCD-V                   MLF
2455302.25                          12.98     CCD-V                   MLF
2455337.60                          13.03     CCD-V                   MLF
2455342.60                          13.08     CCD-V                   MLF
2455350.22                          13.09     CCD-V                   MLF
2455357.38                          13.15     CCD-V                   MLF
2455385.40                          14.42     CCD-V                   MLF
2455405.25                          15.06     CCD-V                   MLF


Berto Monard
Bronberg Observatory / CBA Pretoria

Disclaimer:
The information contained in this communication is confidential and may be legally privileged. It is intended solely for the use of the individual or entity to whom it is addressed and others authorised to receive it. If you are not t he intended recipient you are hereby notified that any disclosure, copying, distribution or taking action in reliance of the contents of this information is strictly prohibited and may be unlawful. The NMISA is neither liable for the proper, complete transmission of the information contained in this communication, any delay in its receipt, or that the mail is virus-free.