21355+4300 ES 1456
21h 35m 31.85s +42° 58' 35.4" P.A. 137.00 sep 3.5 mag 10.60,13.10
| Coord 2000 |
21355+4300 |
|
Discov num |
ES 1456 |
|
Comp |
|
|
Coord arcsec 2000 |
21 35 31.85 +42 58 35.4 |
|
| Date first |
1915 |
|
Date last |
2015 |
|
Obs |
3 |
|
| Pa first |
135 |
|
Pa last |
136.9 |
|
P.A. Now (θ) |
136.9° |
|
| Sep first |
4.3 |
|
Sep last |
3.487 |
|
Sep. Now (ρ) |
3.487" |
|
| Mag pri |
10.60 |
|
Mag sec |
13.10 |
|
delta mag (ΔM) |
2.5 |
|
Spectral class |
|
|
| Pri motion ra |
-010 |
|
Sec motion ra |
|
|
| Pri motion dec |
-002 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3191-00643-1 |
|
Gaia DR2 |
1967627017703505280 |
|
