17521-2654 B 2844 AB,C (HD 162437)
17h 52m 04.73s -26° 53' 41.3" P.A. 160.00 sep 17.6 mag 8.34,9.81 Sp B5III
| Coord 2000 |
17521-2654 |
|
Discov num |
B 2844 |
|
Comp |
AB,C |
|
Coord arcsec 2000 |
17 52 04.73 -26 53 41.3 |
|
| Date first |
1912 |
|
Date last |
1999 |
|
Obs |
7 |
|
| Pa first |
157 |
|
Pa last |
159.5 |
|
P.A. Now (θ) |
159.5° |
|
| Sep first |
17.4 |
|
Sep last |
17.571 |
|
Sep. Now (ρ) |
17.571" |
|
| Mag pri |
8.34 |
|
Mag sec |
9.81 |
|
delta mag (ΔM) |
1.47 |
|
Spectral class |
B5III (blue-white) |
|
| Pri motion ra |
+002 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-003 |
|
Sec motion dec |
-007 |
|
| Notes |
|
|
rPM=0.777
Nature of this double is uncertain.
17521-2654 SYSTEM COMPONENTS
| Show |
name |
SAO |
coord |
wds_name |
last |
obs |
pa |
sep |
mag1 |
mag2 |
d_mag |
orb |
current |
| Show |
|
185863 |
17 52 05 -26 53 41 |
I 1343 AB |
1989 |
10 |
265 |
0.2 |
9.30 |
9.40 |
0.10 |
|
|
| Show |
HD 162437 |
185863 |
17 52 05 -26 53 41 |
B 2844 AB,C |
1999 |
7 |
160 |
17.6 |
8.34 |
9.81 |
1.47 |
|
<=== |
Triple system
4 estimated visually detectable stars in this system
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 162437 |
|
Constellation |
Sagittarius |
|
SAO |
185863 |
|
Tycho2 |
6849-00750-1 |
|
| Gaia DR2 |
4063776288864195456 |
|
HD |
162437 |
|
