CV Cha

 

 

HBC247

 
Alternative names:
HBC 247, HM30, LH α332-21,
Sz 42
Type:
CTTS
Spectral type:
G8 V
Photometric data:
U-B:
 0. 28
B-V:
 1. 10
V:
 10. 96
V-R:
 0. 74*i
R-I:
 0. 62*i
J-H:
 0. 84
H-K:
 0. 62
K:
 6. 96
K-L:
 0. 89
IRAS Fluxes(Jy): F12  = 2. 02
F25  = 2. 87
F60  = 2. 94
F100 = 1. 96
Activity parameters:
Pphot:
4.4 days
[3]
V Range:
 
vsini:
32 Km/s
X-rays luminosity: (ROSAT)
1.26×1030 erg s-1 (0.4-2.5 KeV)
 [21]
(EINSTEIN)
1.23×1030 erg s-1 (0.2-4 KeV)
 [20]
Wind parameters:
W(Hα) :
58 Å
W([OI]) :
Associated with:
Binarity:
 
Characteristics:
Double system
  CW Cha:
d =
11′′4
 [54]
PA=
105∘
 [54]

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
 Mag
 
[min.]
 
1 LWP 05170 L L 85-01-09 10.00 E=225,C=87,B=40 10.8
2 LWP 05203 L L 85-01-13 8.00 E=100,C=100,B=55 10.8
3 LWR 05576 L L 79-09-13 30.00 ECC=363 10.9
4 LWR 05577 L L 79-09-13 12.00 ECC=35? 10.9
5 LWR 06096 H L 79-11-11 240.00 ECC=248 10.9
6 LWR 06431 L L 79-12-19 13.00 ECC=302 11.2
7 LWR 08233 H L 80-07-12 180.00 ECC=236 10.9
8 SWP 06501 L L 79-09-13 115.00 ECC=23? 10.9
9 SWP 24873 L L 85-01-09 180.00 E=180,C=85,B=58 10.8