HD152404 - AK Sco

 

 

HBC271

 
Alternative names:
HBC 271, CoD-36∘ 11056
Type:
CTTS
Spectral type:
F5e V
Photometric data:
U-B:
 0. 14
B-V:
 0. 59
V:
 8. 82
V-R:
 0. 34
R-I:
 0. 34
J-H:
 0. 61
H-K:
 0. 61
K:
 6. 60
K-L:
 0. 90
IRAS Fluxes(Jy): F12  = 2. 71
F25  = 5. 41
F60  = 5. 93
F100 = 3. 75
Activity parameters:
Pphot:
V Range:
 
vsini:
X-rays luminosity:
Wind parameters:
W(Hα) :
W([OI]) :
Associated with:
Binarity:
Characteristics:
Double lined spectroscopic binary
P =
13.6 days
 [48]
a1sini=
0.143 AU
 [48]

 

 

IUE spectra:
no ¯
 Cam. Image Disp. Ap. Date T. exp.
Comments
 Mag
 
[min.]
 
1 LWP 08847 H L 86-08-06 281.00 ECC=334 9.1
2 LWP 12964 H L 88-04-01 085.00 E=137,C=125,B=82 8.9
3 LWP 12966 L L 88-04-01 015.00 E=1.5X,C=2X,B=70 8.9
4 LWP 12967 H L 88-04-02 560.00 E=249,C=221,B=123 8.9
5 LWP 12968 H L 88-04-02 165.00 E=130,C=121,B=168 8.9
6 LWP 13006 H L 88-04-09 430.00 E=1.5X,C=1.5X,B=146 9.0
7 LWP 13009 L L 88-04-09 012.00 E=1.5X,C=225,B=86 9.1
8 LWP 13010 L L 88-04-09 030.00 E=3X,C=3X,B=96 9.1
9 LWP 13011 L L 88-04-10 008.00 E=182,C=145,B=34 9.0
10 LWP 28929 L L 94-08-19 010.00 E=184,C=170,B=80 —
11 LWR 14048 L S 82-08-29 012.00 ECC=332 8.8
12 LWR 14048 L L 82-08-29 012.00 ECC=452 8.8
13 SWP 17804 L L 82-08-29 170.00 ECC=341 8.8
14 SWP 33197 L L 88-04-01 175.00 E=144,C=105,B=59 9.0
15 SWP 33241 L L 88-04-09 185.00 E=220,C=142,B=100 8.9