18474-2108 B 1889
18h 47m 21.64s -21° 08' 16.8" P.A. 218.00 sep 0.8 mag 10.00,12.60
| Coord 2000 |
18474-2108 |
|
Discov num |
B 1889 |
|
Comp |
|
|
Coord arcsec 2000 |
18 47 21.64 -21 08 16.8 |
|
| Date first |
1930 |
|
Date last |
1936 |
|
Obs |
2 |
|
| Pa first |
217 |
|
Pa last |
217.9 |
|
P.A. Now (θ) |
217.9° |
|
| Sep first |
0.7 |
|
Sep last |
0.79 |
|
Sep. Now (ρ) |
0.79" |
|
| Mag pri |
10.00 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
2.6 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
|
|
| Pri motion dec |
-015 |
|
Sec motion dec |
|
|
| Notes |
N
(See Notes) |
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
SAO |
187283 |
|
Tycho2 |
6292-00113-1 |
|
Gaia DR2 |
4079857432395418240 |
|
| HD |
173677 |
|
