21180+0934 HJ 3021
21h 18m 01.82s +09° 34' 30.2" P.A. 237.00 sep 23.8 mag 11.38,11.48
| Coord 2000 |
21180+0934 |
|
Discov num |
HJ 3021 |
|
Comp |
|
|
Coord arcsec 2000 |
21 18 01.82 +09 34 30.2 |
|
| Date first |
1830 |
|
Date last |
2015 |
|
Obs |
15 |
|
| Pa first |
243 |
|
Pa last |
236.9 |
|
P.A. Now (θ) |
236.9° |
|
| Sep first |
15.0 |
|
Sep last |
23.754 |
|
Sep. Now (ρ) |
23.754" |
|
| Mag pri |
11.38 |
|
Mag sec |
11.48 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
| Pri motion ra |
-001 |
|
Sec motion ra |
-006 |
|
| Pri motion dec |
-009 |
|
Sec motion dec |
-017 |
|
| Notes |
|
|
rPM=0.523
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Equuleus |
|
Tycho2 |
1109-00020-1 |
|
Gaia DR2 |
1743687521664674688 |
|
