BT Lac
RA (2000.0): 222413.76 Dec. (2000.0): +561133.6 Type : RVB Mag. max : 12.8 Mag. min : 15.7 Mag. system : P Epoch (JD) : 32791.5 Period (day) : 40.50 M-m : - Spec. : G8
Page based on GCVS elements
GIF chart based on GSC and Tycho-2 magnitudes (V,B-V)
VSNET Data Search (LACBT)
AFOEV light curve
2MASS survey page
[2MASS Visualizer]
ASAS survey page [data access] [ASAS page]
VSNET/Internet Article Search
vsnet-adm@kusastro.kyoto-u.ac.jp