DI Cep

 

 

 

HBC315

 
Alternative names:
HBC 315, MH α47-30    
Type:
CTTS
Spectral type:
G8 V
Photometric data:
U-B:
 0. 10
B-V:
 0. 87
V:
 11. 31
V-R:
 0. 82
R-I:
 0. 59
J-H:
H-K:
 0. 70
K:
 7. 46
K-L:
 1. 07
IRAS Fluxes(Jy): F12  = 0. 89
F25  = 1. 24
F60  = 0. 76c
F100 =
Activity parameters:
Pphot:
11.5 days
[24]
V Range:
vsini:
23.0±4.3 Km/s
[27]
X-rays luminosity: (EINSTEIN)
<3×1030 erg s-1 (0.1-4 KeV)
 [30]
Wind parameters:
W(Hα) :
95 Å variable
W([OI]) :
Associated with:
Binarity:
Characteristics:

 

 

IUE data:
Mg II Si II He II C IV Si IV O I F 2900 F1855
(-erg- cm2s) (-erg- cm2s) (-erg- cm2s) (erg-- cm2s) (erg- cm2s) (-erg- cm2s) (-erg-- cm2s˚A ) (-erg- cm2s˚A )
1.7E-13 2.7E-14 1.9E-13 1.4E-13 2.0E-13 4.9E-15

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
 Mag
 
[min.]
 
1 LWP 24555 H L 92-12-22 340.00 FESBCK:8500, F.O.; No measured
2 LWR 01514 L L 78-05-19 60.00 QUITE GOOD No measured
3 LWR 02176 L L 78-08-26 50.00 30 11.1
4 LWR 06381 L L 79-12-13 40.00 ECC=254 11.8
5 SWP 02379 L L 78-08-23 125.00 ECC=40 9.7
6 SWP 02398 L L 78-08-25 246.00 ECC=04 11.1
7 SWP 10494 L L 80-10-28 142.00 ECC=231 11.5
8 SWP 10562 L L 80-11-08 217.00 ECC=232 11.4
9 SWP 10573 L L 80-11-09 197.00 ECC=233 11.4
10 SWP 45122 L L 92-07-12 170.00 FESBCK:230,SO 11.5
11 SWP 45149 L L 92-07-16 145.00 FESBCK:239,SO; PREAD 11.3
12 SWP 45170 L L 92-07-18 170.00 FESBCK:280,SO 11.4
13 SWP 45205 L L 92-07-22 146.00 FESBCK:504,SO; 11.3
14 SWP 45222 L L 92-07-24 135.00 FESBCK:352,S/O; 11.4
15 SWP 45230 L L 92-07-26 160.00 FESBCK:356,S/O; 11.4