17268-1642 ARA 91 (NSV8637)
17h 26m 45.09s -16° 42' 23.8" P.A. 170.00 sep 13.2 mag 14.40,14.70
| Coord 2000 |
17268-1642 |
|
Discov num |
ARA 91 |
|
Comp |
|
|
Coord arcsec 2000 |
17 26 45.09 -16 42 23.8 |
|
| Date first |
1904 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
172 |
|
Pa last |
169.7 |
|
P.A. Now (θ) |
169.7° |
|
| Sep first |
13.5 |
|
Sep last |
13.179 |
|
Sep. Now (ρ) |
13.179" |
|
| Mag pri |
14.40 |
|
Mag sec |
14.70 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
-003 |
|
| Pri motion dec |
-002 |
|
Sec motion dec |
+002 |
|
| Notes |
|
|
rPM=0.776
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Var name |
NSV8637 |
|
Constellation |
Ophiuchus |
|
SAO |
227971 |
|
Tycho2 |
8342-06345-1 |
|
| Gaia DR2 |
4136566634380884352 |
|
HD |
157661 |
|
HR |
6477 |
|
DM |
CD-4511531 |
|
