18165+0637 TDS 912
18h 16m 31.32s +06° 36' 55.1" P.A. 198.00 sep 1.2 mag 9.74,11.41
| Coord 2000 |
18165+0637 |
|
Discov num |
TDS 912 |
|
Comp |
|
|
Coord arcsec 2000 |
18 16 31.32 +06 36 55.1 |
|
| Date first |
1991 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
196 |
|
Pa last |
198.2 |
|
P.A. Now (θ) |
198.2° |
|
| Sep first |
1.2 |
|
Sep last |
1.227 |
|
Sep. Now (ρ) |
1.227" |
|
| Mag pri |
9.74 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
1.67 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-022 |
|
Sec motion dec |
-022 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Ophiuchus |
|
Tycho2 |
0444-02051-1 |
|
Gaia DR2 |
4477787050018084864 |
|