21028+5041 ES 1000 AB
21h 02m 54.28s +50° 40' 26.5" P.A. 56.00 sep 3.5 mag 10.85,13.40 Sp G0
| Coord 2000 |
21028+5041 |
|
Discov num |
ES 1000 |
|
Comp |
AB |
|
Coord arcsec 2000 |
21 02 54.28 +50 40 26.5 |
|
| Date first |
1910 |
|
Date last |
2016 |
|
Obs |
6 |
|
| Pa first |
53 |
|
Pa last |
55.5 |
|
P.A. Now (θ) |
55.5° |
|
| Sep first |
4.4 |
|
Sep last |
3.512 |
|
Sep. Now (ρ) |
3.512" |
|
| Mag pri |
10.85 |
|
Mag sec |
13.40 |
|
delta mag (ΔM) |
2.55 |
|
Spectral class |
G0 (yellow) |
|
| Pri motion ra |
+015 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
+014 |
|
Sec motion dec |
+013 |
|
| Notes |
V
W
(Proper motion indicates physical, ) |
|
rPM=0.069 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3600-00007-1 |
|
