21317+0312 J 1723
21h 31m 43.56s +03° 13' 48.3" P.A. 121.00 sep 2.4 mag 11.53,11.72
| Coord 2000 |
21317+0312 |
|
Discov num |
J 1723 |
|
Comp |
|
|
Coord arcsec 2000 |
21 31 43.56 +03 13 48.3 |
|
| Date first |
1941 |
|
Date last |
2016 |
|
Obs |
9 |
|
| Pa first |
120 |
|
Pa last |
120.7 |
|
P.A. Now (θ) |
120.7° |
|
| Sep first |
2.0 |
|
Sep last |
2.449 |
|
Sep. Now (ρ) |
2.449" |
|
| Mag pri |
11.53 |
|
Mag sec |
11.72 |
|
delta mag (ΔM) |
0.19 |
|
Spectral class |
|
|
| Pri motion ra |
-043 |
|
Sec motion ra |
|
|
| Pri motion dec |
+043 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Pegasus |
|
Tycho2 |
0546-00290-1 |
|
Gaia DR2 |
2697948234571200896 |
|
