LkCa 19

 

 

 

HBC426

 







Alternative names:
HBC 426, NTTS 045226+3013
Type:
WTTS
Spectral type:
K0 V
Photometric data:
U-B:
0. 62
B-V:
1. 02
V:
10. 85
V-R:
0. 60
R-I:
0. 57
J-H:
H-K:
K:
K-L:
IRAS Fluxes(Jy): F12  = 0. 08 [66]
F25  = 0. 07 [66]
F60  = 0. 18 [66]
F100 =
Activity parameters:
Pphot:
2.24 days
[6]
V Range:
0.2 m
[6]
vsini:
19 Km/s
X-rays luminosity: (EINSTEIN)
6.46×1029 erg s-1 (0.16-3.5 KeV)
[15]
Wind parameters:
W(Hα) :
1 Å
W([OI]) :
Associated with:
Binarity:
Characteristics:
Single
[47]






 

 

 

IUE data:








Mg II Si II He II C IV Si IV O I F 2900 F1855
(erg-
cm2s) (-erg-
cm2s) (erg-
cm2s) (-erg-
cm2s) (-erg-
cm2s) (-erg-
cm2s) (-erg--
cm2s˚A ) (-erg--
cm2s˚A )








1.5E-13 1.0E-14








 

 

IUE spectra:









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









 
1 LWP 26649 L L 93-10-28 90.00 E=134,C=115,B=48
 
2 SWP 49129 L L 93-11-06 415.00 C=120,B=84