V2058 Oph

 

 

HBC259

 
Alternative names:
HBC 259, SR 4,AS 206, DoAr 20,
ROX 6
Type:
CTTS
Spectral type:
K6,7
Photometric data:
U-B:
 0. 21
B-V:
 1. 42
V:
 12. 89
V-R:
 1. 70*
R-I:
 1. 17*
J-H:
 1. 08
H-K:
 0. 74
K:
 7. 40
K-L:
 0. 89
IRAS Fluxes(Jy): F12  = 19. 56b
F25  = 26. 60b
F60  = 122. 16c
F100 = 460. 79c
Activity parameters:
Pphot:
6.9 days
[58]
V Range:
 0.49 m
 [58]
vsini:
9 Km/s
X-rays luminosity: (ROSAT)
3.16×1029 erg s-1 (1-2.4 KeV)
 [10]
Wind parameters:
W(Hα) :
84 Å
W([OI]) :
Associated with:
Binarity:
Characteristics:
Single
 [32]

 

 

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 )
4.2E-13 6.0E-15

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp. Comments Mag
 
[min.]
 
1 LWP 08105 L L 86-04-26 75.00 E=188,C=80,B=48 12.5