21258+4658 OL 221
21h 25m 42.10s +46° 58' 58.7" P.A. 14.00 sep 2.2 mag 11.16,13.20
Coord 2000 |
21258+4658 |
|
Discov num |
OL 221 |
|
Comp |
|
|
Coord arcsec 2000 |
21 25 42.10 +46 58 58.7 |
|
Date first |
1924 |
|
Date last |
1996 |
|
Obs |
2 |
|
Pa first |
22 |
|
Pa last |
14.2 |
|
P.A. Now (θ) |
14.2° |
|
Sep first |
2.0 |
|
Sep last |
2.24 |
|
Sep. Now (ρ) |
2.24" |
|
Mag pri |
11.16 |
|
Mag sec |
13.20 |
|
delta mag (ΔM) |
2.04 |
|
Spectral class |
|
|
Pri motion ra |
+006 |
|
Sec motion ra |
|
|
Pri motion dec |
-003 |
|
Sec motion dec |
|
|
Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3594-01995-1 |
|
Gaia DR2 |
1972450094184764544 |
|