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V1057 Cyg |
HBC300
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Alternative names: |
HBC 300, LkH α 190, S7817 |
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Type: |
FU Ori |
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Spectral type: |
A-Ge |
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Photometric data: |
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U-B: |
0. |
58 |
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[49] |
B-V: |
1. |
23 |
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[49] |
V: |
9. |
47 |
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[49] |
V-R: |
1. |
21 |
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[49] |
R-I: |
1. |
14 |
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[49] |
J-H: |
0. |
96 |
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H-K: |
0. |
71 |
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K: |
5. |
54 |
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K-L: |
1. |
19 |
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| IRAS Fluxes(Jy): |
F12 = |
14. |
92 |
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F25 = |
30. |
75 |
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F60 = |
53. |
53 |
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F100 = |
32. |
40 |
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Activity parameters: |
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Pphot: |
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V Range: |
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vsini: |
20 Km/s |
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| X-rays luminosity: |
(EINSTEIN) |
<20×1030 erg s-1 (0.5-4.5 KeV) |
[19] |
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Wind parameters: |
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W(Hα) : |
Variable |
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W([OI]) : |
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Associated with: |
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Binarity: |
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| Characterisitics: |
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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 |
12012 |
L |
L |
87-11-04 |
515.00 |
C=160,B=121 |
11.0 |
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| 2 |
LWR |
13940 |
L |
L |
82-08-13 |
26.00 |
C=80,B=38 |
11.2 |
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