21458+2155 HU 1656
21h 45m 53.00s +21° 54' 29.5" P.A. 305.00 sep 2.2 mag 11.33,11.31
| Coord 2000 |
21458+2155 |
|
Discov num |
HU 1656 |
|
Comp |
|
|
Coord arcsec 2000 |
21 45 53.00 +21 54 29.5 |
|
| Date first |
1901 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
306 |
|
Pa last |
304.8 |
|
P.A. Now (θ) |
304.8° |
|
| Sep first |
2.2 |
|
Sep last |
2.191 |
|
Sep. Now (ρ) |
2.191" |
|
| Mag pri |
11.33 |
|
Mag sec |
11.31 |
|
delta mag (ΔM) |
0.02 |
|
Spectral class |
|
|
| Pri motion ra |
+025 |
|
Sec motion ra |
|
|
| Pri motion dec |
+008 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
1678-00868-1 |
|
Gaia DR2 |
1793365587313824512 |
|
