15547-2246 KOU 42 AB (HD 142315)
15h 54m 41.60s -22° 45' 58.3" P.A. 280.00 sep 7.9 mag 6.68,11.84 Sp B9V dist. 147.71 pc (481.83 l.y.)
| Coord 2000 |
15547-2246 |
|
Discov num |
KOU 42 |
|
Comp |
AB |
|
Coord arcsec 2000 |
15 54 41.60 -22 45 58.3 |
|
| Date first |
1998 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
280 |
|
Pa last |
279.5 |
|
P.A. Now (θ) |
279.5° |
|
| Sep first |
8.0 |
|
Sep last |
7.945 |
|
Sep. Now (ρ) |
7.945" |
|
| Mag pri |
6.68 |
|
Mag sec |
11.84 |
|
delta mag (ΔM) |
5.16 |
|
Spectral class |
B9V (blue-white) |
|
| Pri motion ra |
-017 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
V
W
K
(Proper motion indicates physical, , K-band or other infrared magnitudes) |
|
Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 142315 |
|
Constellation |
Scorpius |
|
SAO |
183916 |
|
HIP |
77911 |
|
| Tycho2 |
6779-02142-1 |
|
HD |
142315 |
|
GC |
21356 |
|
BD |
BD-22 4046 |
|
| CD |
CD-2211240 |
|
CP |
CP-22 6090 |
|
Distance |
147.71 |
|
Distance ly |
481.83 |
|
