21056+1749 J 797
21h 05m 37.30s +17° 49' 46.5" P.A. 214.00 sep 4.1 mag 12.10,13.30
Coord 2000 |
21056+1749 |
|
Discov num |
J 797 |
|
Comp |
|
|
Coord arcsec 2000 |
21 05 37.30 +17 49 46.5 |
|
Date first |
1912 |
|
Date last |
2017 |
|
Obs |
8 |
|
Pa first |
215 |
|
Pa last |
213.9 |
|
P.A. Now (θ) |
213.9° |
|
Sep first |
2.5 |
|
Sep last |
4.08 |
|
Sep. Now (ρ) |
4.08" |
|
Mag pri |
12.10 |
|
Mag sec |
13.30 |
|
delta mag (ΔM) |
1.2 |
|
Spectral class |
|
|
Pri motion ra |
+002 |
|
Sec motion ra |
|
|
Pri motion dec |
-009 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Delphinus |
|
Tycho2 |
1653-01452-1 |
|
Gaia DR2 |
1764258215987522176 |
|