21551+0355 HEI 823
21h 55m 05.87s +03° 55' 14.9" P.A. 82.00 sep 2.5 mag 10.77,11.62
| Coord 2000 |
21551+0355 |
|
Discov num |
HEI 823 |
|
Comp |
|
|
Coord arcsec 2000 |
21 55 05.87 +03 55 14.9 |
|
| Date first |
1990 |
|
Date last |
2015 |
|
Obs |
5 |
|
| Pa first |
82 |
|
Pa last |
81.9 |
|
P.A. Now (θ) |
81.9° |
|
| Sep first |
2.2 |
|
Sep last |
2.529 |
|
Sep. Now (ρ) |
2.529" |
|
| Mag pri |
10.77 |
|
Mag sec |
11.62 |
|
delta mag (ΔM) |
0.85 |
|
Spectral class |
|
|
| Pri motion ra |
+011 |
|
Sec motion ra |
+011 |
|
| Pri motion dec |
+006 |
|
Sec motion dec |
+006 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
0553-00866-1 |
|
Gaia DR2 |
2695850576839361792 |
|
