21396+0431 HEI 822
21h 39m 30.22s +04° 30' 59.2" P.A. 359.00 sep 1.2 mag 10.87,11.47
| Coord 2000 |
21396+0431 |
|
Discov num |
HEI 822 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 30.22 +04 30 59.2 |
|
| Date first |
1990 |
|
Date last |
2016 |
|
Obs |
4 |
|
| Pa first |
351 |
|
Pa last |
359.4 |
|
P.A. Now (θ) |
359.4° |
|
| Sep first |
0.8 |
|
Sep last |
1.203 |
|
Sep. Now (ρ) |
1.203" |
|
| Mag pri |
10.87 |
|
Mag sec |
11.47 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+022 |
|
Sec motion ra |
+022 |
|
| Pri motion dec |
-023 |
|
Sec motion dec |
-023 |
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
0551-00688-1 |
|
Gaia DR2 |
2698351244238212736 |
|
