V640 Oph
RA (2000.0): 183708.61 Dec. (2000.0): +111616.4 Type : M Mag. max : 13.8 Mag. min : 20 Mag. system : P Epoch (JD) : 30149 Period (day) : 226.4 M-m : - Spec. : -
Page based on GCVS elements
GIF chart based on GSC and Tycho-2 magnitudes (V,B-V)
VSNET Data Search (OPHV640)
2MASS survey page
[2MASS Visualizer]
ASAS survey page [data access] [ASAS page]
VSNET/Internet Article Search
vsnet-adm@kusastro.kyoto-u.ac.jp