Do Ar 21

 

HBC637

 







Alternative names:
HBC 637, Haro 1-6, ROX 8
Type:
Spectral type:
G, K
Photometric data:
U-B:
1. 68
B-V:
2. 13
V:
13. 95
V-R:
2. 24*
R-I:
1. 97*
J-H:
1. 34
H-K:
0. 64
K:
6. 22
K-L:
0. 39
IRAS Fluxes(Jy): F12  =
F25  =
F60  =
F100 =
Activity parameters:
Pphot:
V Range:
vsini:
X-rays luminosity: (ROSAT)
1.58×1031 erg s-1 (1-2.4 KeV)
[10]
Wind parameters:
W(Hα) :
-0.9 Å (in absorption)
[78]
W([OI]) :
Associated with:
Binarity:
Characterisitics:
Single
[32, 63]






 

 

IUE spectra:









no
¯
Cam. Image Disp. Ap. Date T. exp. Comments Mag
 
[min.]









 
1 LWP 08106 L L 86-04-26 60.00 B=45 13.7