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DS Tau |
HBC75
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Alternative names: |
HBC 75, MH α259-2 |
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Type: |
CTTS |
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Spectral type: |
K5 V |
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Photometric data: |
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U-B: |
-0. |
10 |
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B-V: |
0. |
88 |
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V: |
11. |
90 |
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V-R: |
0. |
74 |
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R-I: |
0. |
74 |
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J-H: |
0. |
83 |
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H-K: |
0. |
46 |
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K: |
8. |
26 |
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K-L: |
0. |
67 |
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| IRAS Fluxes(Jy): |
F12 = |
0. |
31 |
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F25 = |
0. |
32 |
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F60 = |
0. |
34 |
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F100 = |
0. |
60b |
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Activity parameters: |
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Pphot: |
7.7 days |
[51] |
V Range: |
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vsini: |
≤ 10 Km/s |
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X-rays luminosity: |
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Wind parameters: |
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W(Hα) : |
59 Å |
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W([OI]) : |
< 0.1 Å |
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[8] |
Associated with: |
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Binarity: |
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| Characteristics: |
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Single |
[47, 64] |
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IUE spectra:
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n |
Cam. |
Image |
Disp. |
Ap. |
Date |
T. exp. |
Comments |
Mag |
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[min.] |
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| 1 |
LWP |
06965 |
L |
L |
85-10-22 |
30.00 |
E=1.5X,C=157,B=113 |
12.1 |
| 2 |
LWP |
06976 |
L |
L |
85-10-23 |
12.00 |
E=186,C=140,B=112 |
12.0 |
| 3 |
LWP |
14342 |
L |
L |
88-10-30 |
43.00 |
E=173,C=87,B=41 |
12.0 |
| 4 |
LWP |
14798 |
L |
L |
89-01-09 |
70.00 |
E=1.5X,C=110,B=43 |
11.4 |
| 5 |
LWP |
17194 |
L |
L |
90-01-21 |
60.00 |
E=215,C=103,B=46 |
12.1 |
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| 6 |
SWP |
48904 |
L |
L |
93-10-12 |
430.00 |
C=139,B=94 |
— |
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