15471-5107 B 1790 AB (HD 140662)
15h 47m 05.20s -51° 07' 13.2" P.A. 82.00 sep 0.4 mag 9.90,10.10 Sp B9/9.5V
Coord 2000 |
15471-5107 |
|
Discov num |
B 1790 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 47 05.20 -51 07 13.2 |
|
Date first |
1931 |
|
Date last |
2021 |
|
Obs |
13 |
|
Pa first |
100 |
|
Pa last |
82.4 |
|
P.A. Now (θ) |
82.4° |
|
Sep first |
0.3 |
|
Sep last |
0.418 |
|
Sep. Now (ρ) |
0.418" |
|
Mag pri |
9.90 |
|
Mag sec |
10.10 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
B9/9.5V (blue-white) |
|
Pri motion ra |
-008 |
|
Sec motion ra |
|
|
Pri motion dec |
-011 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
15471-5107 SYSTEM COMPONENTS
Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
Show |
HD 140662 |
242962 |
15 47 05 -51 07 13 |
B 1790 AB |
2021 |
13 |
82 |
0.4 |
9.90 |
10.10 |
0.20 |
|
<=== |
Show |
|
|
15 47 05 -51 07 13 |
WSI 83 Ba,Bb |
2021 |
10 |
209 |
0.1 |
10.70 |
11.10 |
0.40 |
|
|
Triple system
2 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
Name |
HD 140662 |
|
Constellation |
Norma |
|
SAO |
242962 |
|
Tycho2 |
8321-00709-1 |
|
Gaia DR2 |
5982251593483766272 |
|
HD |
140662 |
|
GC |
21185 |
|