V639 Oph
RA (2000.0): 183713.0 Dec. (2000.0): +073302 Type : M Mag. max : 13.1 Mag. min : 19 Mag. system : P Epoch (JD) : 26774 Period (day) : 116 M-m : - Spec. : M7
Page based on GCVS elements
GIF chart based on GSC and Tycho-2 magnitudes (V,B-V)
VSNET Data Search (OPHV639)
2MASS survey page
[2MASS Visualizer]
ASAS survey page [data access] [ASAS page]
VSNET/Internet Article Search
vsnet-adm@kusastro.kyoto-u.ac.jp