|
SY Cha |
HBC565
|
|
|
|
|
|
|
Alternative names: |
HBC 565, HM2, Sz 3 |
|
|
Type: |
CTTS |
|
Spectral type: |
M0: |
|
|
Photometric data: |
|
|
|
U-B: |
0. |
36 |
|
|
B-V: |
1. |
29 |
|
|
V: |
13. |
03 |
|
|
V-R: |
0. |
94*i |
|
|
R-I: |
0. |
85*i |
|
|
J-H: |
0. |
83 |
|
|
H-K: |
0. |
40 |
|
|
K: |
8. |
86 |
|
|
K-L: |
0. |
78 |
|
|
| IRAS Fluxes(Jy): |
F12 = |
0. |
26 |
|
|
|
F25 = |
0. |
55 |
|
|
|
F60 = |
0. |
54 |
|
|
|
F100 = |
0. |
11c |
|
|
|
Activity parameters: |
|
|
|
Pphot: |
6.1 days |
[3] |
V Range: |
0.1 m |
[3] |
vsini: |
16.9 Km/s |
[16] |
| X-rays luminosity: |
(ROSAT) |
1.15×1030 erg s-1 (0.4-2.5 KeV) |
[21] |
|
(EINSTEIN) |
1.58×1029 erg s-1 (0.2-4 KeV) |
[20] |
|
Wind parameters: |
|
|
|
W(Hα) : |
49 Å |
|
W([OI]) : |
|
|
|
Associated with: |
|
|
|
|
Binarity: |
|
|
| Characteristics: |
|
|
|
|
|
|
|
|
|
|
|
|
|
IUE spectra:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
n |
Cam. |
Image |
Disp. |
Ap. |
Date |
T. exp. |
Comments |
Mag |
| |
|
|
|
|
|
[min.] |
|
|
|
|
|
|
|
|
|
|
|
| |
|
|
|
|
|
|
|
|
| 1 |
LWP |
05169 |
L |
L |
85-01-09 |
30.00 |
E=109,C=70,B=40 |
13.0 |
| 2 |
LWP |
11881 |
L |
L |
87-10-14 |
84.00 |
NO GUIDE STAR IN THE |
13.1 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
