CT Cha

 

 

 

HBC570

 
Alternative names:
HBC 570, HM9, Sz 11
Type:
CTTS
Spectral type:
K7:
Photometric data:
U-B:
 0. 30
B-V:
 1. 24
V:
 12. 36
V-R:
 0. 88*i
R-I:
 0. 75*i
J-H:
 0. 85
H-K:
 0. 54
K:
 8. 10
K-L:
 0. 97
IRAS Fluxes(Jy): F12  = 0. 83
F25  = 0. 98
F60  = 0. 69
F100 = 0. 39c
Activity parameters:
Pphot:
V Range:
vsini:
16.2 Km/s
[16]
X-rays luminosity: (ROSAT)
2.0×1029 erg s-1 (0.4-2.5 KeV)
 [21]
(EINSTEIN)
9.55×1029 erg s-1 (0.2-4 KeV)
 [20]
Wind parameters:
W(Hα) :
56 Å
W([OI]) :
Associated with:
Binarity:
Characteristics:

 

 

 

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 )
7.1E-13 6.2E-15

 

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp. Comments Mag
 
[min.]
 
1 LWP 05187 L L 85-01-12 26.00 E=158,C=125,B=98 12.5