17413-1757 HLD 138 (HD 160561)
17h 41m 18.97s -17° 57' 26.6" P.A. 272.00 sep 2.2 mag 9.79,10.49 Sp A1/2IV
| Coord 2000 |
17413-1757 |
|
Discov num |
HLD 138 |
|
Comp |
|
|
Coord arcsec 2000 |
17 41 18.97 -17 57 26.6 |
|
| Date first |
1882 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
270 |
|
Pa last |
272.3 |
|
P.A. Now (θ) |
272.3° |
|
| Sep first |
3.0 |
|
Sep last |
2.171 |
|
Sep. Now (ρ) |
2.171" |
|
| Mag pri |
9.79 |
|
Mag sec |
10.49 |
|
delta mag (ΔM) |
0.7 |
|
Spectral class |
A1/2IV (white) |
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
-003 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 160561 |
|
Constellation |
Ophiuchus |
|
Tycho2 |
6252-01152-1 |
|
Gaia DR2 |
4123302817713263744 |
|
| HD |
160561 |
|
