21360+4237 ES 1457 AB
21h 36m 01.12s +42° 38' 01.7" P.A. 77.00 sep 3.7 mag 10.48,13.80
| Coord 2000 |
21360+4237 |
|
Discov num |
ES 1457 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 36 01.12 +42 38 01.7 |
|
| Date first |
1915 |
|
Date last |
2016 |
|
Obs |
5 |
|
| Pa first |
78 |
|
Pa last |
76.5 |
|
P.A. Now (θ) |
76.5° |
|
| Sep first |
3.6 |
|
Sep last |
3.707 |
|
Sep. Now (ρ) |
3.707" |
|
| Mag pri |
10.48 |
|
Mag sec |
13.80 |
|
delta mag (ΔM) |
3.32 |
|
Spectral class |
|
|
| Pri motion ra |
+023 |
|
Sec motion ra |
|
|
| Pri motion dec |
+018 |
|
Sec motion dec |
|
|
| Notes |
W
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3191-00913-1 |
|
