HD 283572

 

 

HBC380
Alternative names:
HBC 380, BD+27∘ 657
Type:
SU Aur
Spectral type:
G5 V
Photometric data:
U-B:
 0. 32
B-V:
 0. 83
V:
 9. 04
V-R:
 0. 70*
R-I:
 0. 51*
J-H:
 0. 42
H-K:
 0. 11
K:
 6. 93
K-L:
 0. 08
IRAS Fluxes(Jy): F12  = 0. 11 [66]
F25  = 0. 19 [66]
F60  =
F100 =
Activity parameters:
Pphot:
1.548 days
[76]
V Range:
 
vsini:
110 Km/s
X-rays luminosity: (ROSAT)
5.8×1031 erg s-1
 [68]
(EINSTEIN)
2.51×1031 erg s-1 (0.16-3.5 KeV)
 [15]
Wind parameters:
W(Hα) :
In absorption
W([OI]) :
Associated with:
Binarity:
Characteristics:
Single
 [32, 47, 62]

 

 

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- )
2.5E-13 4.2E-14 2.6E-14 1.2E-13 2.8E-14 1.3E-13 2.5E-15

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
Mag
 
[min.]
 
1 LWP 06977 L L 85-10-23 12.00 E=154,C=155,B=73 8.9
2 LWP 11795 H L 87-10-02 360.00 E=201,C=205,B=139 9.1
3 LWP 14876 L L 89-01-20 20.00 C=102,B=41 10.6
4 LWR 12568 L L 82-02-12 7.00 C=80,B=27 9.1
5 LWR 12568 L S 82-02-12 7.00 C=60,B=27 9.1
6 LWR 14388 H L 82-10-11 240.00 E=119,C=130,B=60 9.0
7 LWR 16946 L L 83-10-08 10.00 C=105,B=31 9.0
8 LWR 16946 L S 83-10-08 10.00 C=80,B=31 9.0
9 LWR 16961 L L 83-10-10 20.00 E=214,C=190,B=37 9.0
10 LWR 16971 L L 83-10-13 20.00 E=126,C=140,B=30 9.0
11 LWR 16979 L L 83-10-15 17.50 E=149,C=140,B=40 9.0
12 SWP 16321 L L 82-02-12 180.00 E=60,C=66,B=44 9.0
13 SWP 18244 L L 82-10-09 440.00 E=140,C=100,B=68 9.0
14 SWP 46987 L L 93-02-18 385.00 E=117,C=119,B=23 —