21233+1520 HEI 189
21h 23m 20.83s +15° 20' 41.5" P.A. 36.00 sep 0.6 mag 11.40,11.40
| Coord 2000 |
21233+1520 |
|
Discov num |
HEI 189 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 20.83 +15 20 41.5 |
|
| Date first |
1981 |
|
Date last |
2017 |
|
Obs |
7 |
|
| Pa first |
49 |
|
Pa last |
36.3 |
|
P.A. Now (θ) |
36.3° |
|
| Sep first |
0.4 |
|
Sep last |
0.59 |
|
Sep. Now (ρ) |
0.59" |
|
| Mag pri |
11.40 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-011 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
