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GG Tau |
HBC54
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Alternative names: |
HBC 54, MH α257-2 |
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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. |
03 |
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B-V: |
1. |
40 |
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V: |
12. |
24 |
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V-R: |
1. |
00 |
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R-I: |
1. |
00 |
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J-H: |
0. |
98 |
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H-K: |
0. |
49 |
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K: |
7. |
23 |
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K-L: |
0. |
82 |
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| IRAS Fluxes(Jy): |
F12 = |
1. |
20 |
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F25 = |
1. |
72 |
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F60 = |
3. |
12 |
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F100 = |
5. |
48 |
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Activity parameters: |
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Pphot: |
10.3 days |
[6] |
V Range: |
~ 0.2 m |
[6] |
vsini: |
≤ 10 Km/s |
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| X-rays luminosity: |
(EINSTEIN) |
<1.1×1030 erg s-1 (0.16-3.5 KeV) |
[15] |
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Wind parameters: |
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W(Hα) : |
54 Å |
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W([OI]) : |
0.3 Å |
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[8] |
Associated with: |
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Binarity: |
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| Characteristics: |
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Multiple system |
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| Components: |
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| GG Tau Aa: |
d = |
0′′26 |
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[47] |
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PA= |
9∘ |
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[47] |
| GG Tau AB : |
d = |
10′′3 |
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[47] |
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PA= |
184∘ |
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[47] |
| GG Tau Bb : |
d = |
1′′4 |
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[47] |
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PA= |
135∘ |
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[47] |
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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 |
06967 |
L |
L |
85-10-22 |
20.00 |
E=250,C=140,B=114 |
11.9 |
| 2 |
LWP |
06975 |
L |
L |
85-10-23 |
12.00 |
E=177,C=120,B=100 |
11.9 |
| 3 |
LWP |
14272 |
L |
L |
88-10-19 |
80.00 |
E=3X,C=124,B=43 |
11.9 |
| 4 |
LWP |
14797 |
L |
L |
89-01-09 |
75.00 |
E=2.5X,C=142,B=44 |
12.0 |
| 5 |
LWP |
16661 |
L |
L |
89-10-26 |
30.00 |
E=244,C=141,B=110 |
11.9 |
| 6 |
LWP |
17197 |
L |
L |
90-01-21 |
40.00 |
E=2X,C=77,B=39 |
12.0 |
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