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BD-10∘4662 - FK Ser |
HBC663, 664
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Alternative names: |
HBC 663, HBC664 |
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Type: |
CTTS |
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Spectral type: |
K7p V (HBC 663), |
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K5p V (HBC 664) |
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Photometric data: |
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U-B: |
0. |
45 |
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B-V: |
1. |
28 |
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V: |
10. |
60 |
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V-R: |
1. |
19* |
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R-I: |
0. |
93* |
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J-H: |
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H-K: |
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K: |
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K-L: |
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| IRAS Fluxes(Jy): |
F12 = |
0. |
67 |
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F25 = |
1. |
10 |
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F60 = |
1. |
67b |
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F100 = |
20. |
27c |
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Activity parameters: |
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Pphot: |
5.20-4.54 days |
[12, 70] |
V Range: |
0.1 m |
[12] |
vsini: |
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| X-rays luminosity: |
(EINSTEIN) |
5×1030 erg s-1 (0.5-4.5 KeV) |
[19] |
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Wind parameters: |
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W(Hα) : |
10 Å(HBC 663), 6 Å(HBC 664) |
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W([OI]) : |
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Associated with: |
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Binarity: |
Double system |
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| Characteristics: |
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| Separation: |
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1′′33 |
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[73] |
| Position Angle: |
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11.5∘ |
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[73] |
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IUE spectra and data
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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 |
07809 |
L |
L |
86-03-17 |
20.00 |
ECC=352 |
10.5 |
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| 2 |
LWR |
05987 |
L |
S |
79-10-30 |
10.00 |
E=84,B=32 |
10.6 |
| 3 |
LWR |
05987 |
L |
L |
79-10-30 |
20.00 |
E=197,C=84,B=32 |
No measured |
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| 4 |
SWP |
07046 |
L |
L |
79-10-30 |
180.00 |
E=111,C=76,B=51 |
10.6 |
| 5 |
SWP |
27928 |
L |
L |
86-03-17 |
377.00 |
ECC=242 |
10.5 |
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