|
V826 Tau |
HBC400
|
|
|
|
|
|
|
Alternative names: |
HBC 400, FK 1, P2 |
|
|
Type: |
WTTS |
|
Spectral type: |
K7, M0 |
|
|
Photometric data: |
|
|
|
U-B: |
1. |
12 |
|
|
B-V: |
1. |
40 |
|
|
V: |
12. |
11 |
|
|
V-R: |
0. |
88 |
|
|
R-I: |
0. |
88 |
|
|
J-H: |
0. |
70 |
|
|
H-K: |
0. |
11 |
|
|
K: |
8. |
32 |
|
|
K-L: |
0. |
23 |
|
|
IRAS Fluxes(Jy): |
F12 = |
0. |
06c |
|
|
|
F25 = |
0. |
17c |
|
|
|
F60 = |
0. |
07c |
|
|
|
F100 = |
|
|
|
|
Activity parameters: |
|
|
|
Pphot: |
3.7 - 4.05 days |
[3, 55] |
V Range: |
~ 0.06 m |
[55] |
vsini: |
< 10 Km/s |
|
X-rays luminosity: |
(ROSAT) |
3.55×1030 erg s-1 (0.1-2.5 KeV) |
[9] |
|
(EINSTEIN) |
2.63×1030 erg s-1 (0.16-3.5 KeV) |
[15] |
|
Wind parameters: |
|
|
|
W(Hα) : |
1.6 Å |
|
W([OI]) : |
< 0.1 Å |
|
[8] |
Associated with: |
|
|
|
|
Binarity: |
|
|
Characteristics: |
|
Spectroscopic binary |
|
|
P = |
3.9 days |
|
[48] |
|
asini= |
0.013 AU |
|
[48] |
|
|
|
|
|
|
|
|
|
IUE spectra:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
n |
Cam. |
Image |
Disp. |
Ap. |
Date |
T. exp. |
Comments |
Mag |
|
|
|
|
|
|
[min.] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1 |
LWR |
14390 |
L |
L |
82-10-12 |
190.00 |
E=125,C=100,B=55 |
12.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|