17425-2547 B 2842 (HD 160681)
17h 42m 28.60s -25° 46' 39.5" P.A. 345.00 sep 9.2 mag 9.52,11.50 Sp G1V
| Coord 2000 |
17425-2547 |
|
Discov num |
B 2842 |
|
Comp |
|
|
Coord arcsec 2000 |
17 42 28.60 -25 46 39.5 |
|
| Date first |
1911 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
347 |
|
Pa last |
344.6 |
|
P.A. Now (θ) |
344.6° |
|
| Sep first |
9.8 |
|
Sep last |
9.2 |
|
Sep. Now (ρ) |
9.2" |
|
| Mag pri |
9.52 |
|
Mag sec |
11.50 |
|
delta mag (ΔM) |
1.98 |
|
Spectral class |
G1V (yellow) |
|
| Pri motion ra |
+013 |
|
Sec motion ra |
+008 |
|
| Pri motion dec |
+022 |
|
Sec motion dec |
+056 |
|
| Notes |
|
|
rPM=0.608
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Name |
HD 160681 |
|
Constellation |
Ophiuchus |
|
SAO |
185637 |
|
Tycho2 |
6831-00082-1 |
|
| Gaia DR2 |
4067882204581104384 |
|
HD |
160681 |
|
