P2494

 

 

 

HBC487

 
Alternative names:
HBC 487                     
Type:
Spectral type:
K0 IV
Photometric data:
U-B:
 0. 42
B-V:
 0. 87
V:
 10. 74
V-R:
 0. 51
R-I:
 0. 48
J-H:
 0. 51
H-K:
 0. 11
K:
 8. 95
K-L:
IRAS Fluxes(Jy): F12  =
F25  =
F60  =
F100 =
Activity parameters:
Pphot:
V Range:
 
vsini:
X-rays luminosity: (EINSTEIN)
7.24×1030 erg s-1 (0.1-4 KeV)
 [25]
Wind parameters:
W(Hα) :
W([OI]) :
Associated with:
Binarity:
Characteristics:
Double lined spectroscopic binary
P =
19.4815 days
 [48]
asini=
0.146 AU
 [48]

 

 

 

IUE data:
Mg II Si II He II C IV Si IV O I F 2900 F1855
(-erg2- cm s) (-erg2- cm s) (erg2- cm s) (erg2- cm s) (-erg2- cm s) (-erg2- cm s) (-erg-- cm2s˚A ) (-erg-- cm2s˚A )
2.9E-14

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
 Mag
 
[min.]
 
1 LWP 24691 L L 93-01-09 30.00 C=200,B=147 —