[vsnet-alert 16585] Possible fading of AB Aur

Hiroyuki Maehara maehara at kiso.ioa.s.u-tokyo.ac.jp
Fri Nov 1 12:01:14 JST 2013


The most recent observations by KWS show that the Herbig Ae/Be star
AB Aur is fainter than usual. Confirmatory observations are requested.

http://kws.cetus-net.org/~maehara/VSdata.py?object=AB+Aur&p_band=&plot=1&recent=1&submit=Send+query

object   date(UT)       mag.    code  err.
AURAB    20130928.80067 6.849Ic KW2   0.013
AURAB    20130928.80067 7.027V  KW2   0.008
AURAB    20130928.80104 7.061V  KW2   0.008
AURAB    20130928.80105 6.835Ic KW2   0.012
AURAB    20131012.74453 6.792Ic KW2   0.009
AURAB    20131012.74454 7.061V  KW2   0.007
AURAB    20131012.74490 6.768Ic KW2   0.009
AURAB    20131012.74491 7.034V  KW2   0.007
AURAB    20131027.72575 6.839Ic KW2   0.009
AURAB    20131027.72575 7.129V  KW2   0.008
AURAB    20131027.72612 6.841Ic KW2   0.009
AURAB    20131027.72612 7.165V  KW2   0.008
AURAB    20131031.73112 7.018Ic KW2   0.010
AURAB    20131031.73112 7.293V  KW2   0.008
AURAB    20131031.73148 7.001Ic KW2   0.011
AURAB    20131031.73148 7.271V  KW2   0.008

KW2: Kiso Wide-field Survey
     f=105mm lens (F/2.0) + SBIG ST-8XME (V-band)
     f=105mm lens (F/2.8) + SBIG ST-8XME (Ic-band)


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