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UY Aur |
HBC76
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Alternative names: |
HBC 76 |
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Type: |
CTTS |
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Spectral type: |
K7 V |
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Photometric data: |
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U-B: |
0. |
07 |
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B-V: |
1. |
24 |
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V: |
12. |
90 |
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V-R: |
0. |
98 |
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R-I: |
0. |
93 |
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J-H: |
1. |
06 |
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H-K: |
0. |
80 |
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K: |
7. |
05 |
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K-L: |
1. |
18 |
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| IRAS Fluxes(Jy): |
F12 = |
3. |
71 |
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F25 = |
6. |
87 |
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F60 = |
7. |
58 |
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F100 = |
9. |
40b |
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Activity parameters: |
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Pphot: |
6.7 days |
[51] |
V Range: |
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vsini: |
15.55 - 19.3 Km/s |
[37] |
X-rays luminosity: |
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Wind parameters: |
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W(Hα) : |
60 Å |
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W([OI]) : |
1.4 Å |
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[18] |
Associated with: |
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Binarity: |
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| Characteristics: |
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Double system |
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d = |
0′′89 |
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[48] |
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PA= |
225∘ |
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[48] |
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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 |
14341 |
L |
L |
88-10-30 |
70.00 |
E=2X,C=130,B=46 |
12.0 |
| 2 |
LWP |
14804 |
L |
L |
89-01-12 |
80.00 |
E=221,C=74,B=42 |
12.4 |
| 3 |
LWP |
17195 |
L |
L |
90-01-21 |
70.00 |
E=1.5X,C=132,B=51 |
11.9 |
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