DG Tau

 

 

 

 

 

HBC37

 
Alternative names:
HBC 37, MH α259-10    
Type:
CTTS
Spectral type:
M?
Photometric data:
U-B:
 0. 93
B-V:
 -0. 30
V:
 12. 01
V-R:
 0. 83
R-I:
 0. 86
J-H:
 1. 20
H-K:
 1. 09
K:
 6. 69
K-L:
 1. 66
IRAS Fluxes(Jy): F12  = 10. 10
F25  = 30. 39
F60  = 31. 28
F100 = 39. 86
Activity parameters:
Pphot:
6.3 days
[6]
V Range:
0.4 m
[6]
vsini:
21.7 Km/s
[37]
X-rays luminosity: (EINSTEIN)
<7.76×1028 erg s-1 (0.16-3.5 KeV)
 [15]
Wind parameters:
W(Hα) :
113 Å
W([OI]) :
18.0 Å
 [8]
Associated with:
HH 158
Binarity:
Characteristics:
Single
[47, 32]

 

 

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 )
1.1E-12 5.8E-14 3.5E-14 1.7E-13 4.9E-14 1.2E-13 1.8E-14 2.5E-15

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
 Mag
 
[min.]
 
1 LWP 07525 H L 86-01-18 420.00 E=209,C=160,B=105 11.6
2 LWP 17191 L L 90-01-20 80.00 E=2X,C=166,B=42 11.7
3 LWR 04193 L L 79-04-04 30.00 E=195,C=80 12.4
4 LWR 04193 L S 79-04-04 30.00 E=137,C=70 12.4
5 LWR 09260 L L 80-11-08 120.00 464 12.2
6 LWR 09292 L L 80-11-13 30.00 E=208,C=90,B=43 12.0
7 LWR 09301 L L 80-11-14 28.00 E=167,C=80,B=35 11.7
8 LWR 09325 L L 80-11-17 35.00 E=201,C=100,B=55 12.2
9 LWR 11146 L L 81-07-26 15.00 E=138,C=70,B=30 12.1
10 LWR 11156 H L 81-07-27 347.06 E=203,B=122 12.0
11 LWR 11157 L L 81-07-27 20.00 E=233,C=130,B=76 11.8
12 LWR 11187 H L 81-07-30 360.00 E=150,B=80 11.9
13 LWR 11188 L L 81-07-30 30.00 C=138,B=72 11.9
14 LWR 11812 L L 81-10-20 30.00 E=247,C=75,B=36 12.2
15 LWR 11863 L L 81-10-30 20.00 E=173,C=80,B=34 11.8
16 LWR 11864 L L 81-10-30 72.00 E=2X,C=125,B=37 No measured
17 LWR 12329 L L 82-01-13 20.00 E=171,C=60,B=35 12.1
18 LWR 12330 L L 82-01-13 90.00 E=3.5X,C=140,B=65 12.1
19 LWR 12331 L L 82-01-13 25.00 E=166,C=85,B=42 12.1
20 LWR 12549 L L 82-02-11 25.00 E=171,C=60,B=28 12.2
21 LWR 13938 L L 82-08-13 12.00 E=150,C=105,B=59 11.7
22 LWR 14440 L L 82-10-19 43.00 E=255,C=95,B=40 12.1
23 SWP 14590 L L 81-07-30 30.00 B=80 11.9
24 SWP 15301 L L 81-10-20 385.00 E=104,C=85,B=67 12.3
25 SWP 16033 L L 82-01-12 440.00 E=154,C=120,B=110 12.2