18204-1630 TOB 287
18h 20m 27.48s -16° 29' 41.6" P.A. 196.00 sep 14.5 mag 11.20,12.50 Sp OB-:
| Coord 2000 |
18204-1630 |
|
Discov num |
TOB 287 |
|
Comp |
|
|
Coord arcsec 2000 |
18 20 27.48 -16 29 41.6 |
|
| Date first |
1905 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
195 |
|
Pa last |
196.1 |
|
P.A. Now (θ) |
196.1° |
|
| Sep first |
14.3 |
|
Sep last |
14.498 |
|
Sep. Now (ρ) |
14.498" |
|
| Mag pri |
11.20 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
1.3 |
|
Spectral class |
OB-: (blue) |
|
| Pri motion ra |
+003 |
|
Sec motion ra |
-004 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.093
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Tycho2 |
6265-02336-1 |
|
Gaia DR2 |
4097788925166221824 |
|