HD 283447 - V773 Tau

HBC367

 
Alternative names:
HBC 367
Type:
WTTS
Spectral type:
K3 V
Photometric data:
U-B:
 1. 38
B-V:
 1. 12
V:
 10. 62
V-R:
 0. 85
R-I:
 0. 84
J-H:
 0. 81
H-K:
 0. 37
K:
 6. 40
K-L:
 0. 65
IRAS Fluxes(Jy): F12  = 2. 46
F25  = 3. 20
F60  = 1. 78
F100 = 2. 10c
Activity parameters:
Pphot:
3.43 days
[55]
V Range:
~ 0.1 m
[55]
vsini:
55 Km/s
[7]
X-rays luminosity: (ROSAT)
5.5×1030 erg s-1 (0.2-2 KeV)
 [22]
Wind parameters:
W(Hα) :
4 Å
W([OI]) :
0.2 Å
 [8]
Associated with:
Binarity:
Characteristics:
Multiple system
Components:
  FM Tau :
d =
37′′3
 [36]
PA=
13∘
 [36]
  V773 Tau B :
d =
0′′112
 [47]
PA=
295∘
 [47]
  V773 Tau C :
V773 Tau A is a spectroscopic binary
 [79]

 

 

IUE data:
Mg II Si II He II C IV Si IV O I F 2900 F1855
() (cemrg2s) (ecmr2gs-) (cermg2s) (cermg2s) (cemrg2s) (-er2g˚- cm sA ) (-erg2˚- cm sA )
2.5E-13 5.4E-15

 

 

IUE spectra and data
no ¯
 Cam. Image Disp. Ap. Date T. exp. Comments Mag
 
[min.]
 
1 LWP 02069 L L 83-10-17 10.00 E=70,C=55,B=40 10.6
2 LWP 23901 L L 92-09-11 45.00 E=98,C=60,B=40 10.2
3 LWP 23902 L L 92-09-11 45.00 E=126,C=70,B=60 10.2
4 LWP 23903 L L 92-09-11 45.00 E=242,C=235,B=200 10.2
5 LWP 23904 L L 92-09-11 45.00 E=159,C=120,B=92 10.2
6 LWP 23905 L L 92-09-11 45.00 E=128,C=60,B=39 10.2
7 SWP 48578 L L 93-09-08 315.00 B=58
—