V640 Her
RA (2000.0): 172554.34 Dec. (2000.0): +165503.1 Type : LB Mag. max : 5.98 Mag. min : 6.21 Mag. system : V Epoch (JD) : - Period (day) : - M-m : - Spec. : M4IIIab
Page based on GCVS elements
GIF chart based on GSC and Tycho-2 magnitudes (V,B-V)
VSNET Data Search (HERV640)
2MASS survey page
[2MASS Visualizer]
ASAS survey page [data access] [ASAS page]
VSNET/Internet Article Search
vsnet-adm@kusastro.kyoto-u.ac.jp