21102+3844 SEI 1426
21h 10m 14.39s +38° 44' 10.5" P.A. 20.00 sep 17.6 mag 10.23,11.96
| Coord 2000 |
21102+3844 |
|
Discov num |
SEI1426 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 14.39 +38 44 10.5 |
|
| Date first |
1895 |
|
Date last |
2015 |
|
Obs |
12 |
|
| Pa first |
15 |
|
Pa last |
19.5 |
|
P.A. Now (θ) |
19.5° |
|
| Sep first |
17.0 |
|
Sep last |
17.587 |
|
Sep. Now (ρ) |
17.587" |
|
| Mag pri |
10.23 |
|
Mag sec |
11.96 |
|
delta mag (ΔM) |
1.73 |
|
Spectral class |
|
|
| Pri motion ra |
-011 |
|
Sec motion ra |
-001 |
|
| Pri motion dec |
-008 |
|
Sec motion dec |
-009 |
|
| Notes |
|
|
rPM=0.739
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3169-02123-1 |
|
Gaia DR2 |
1871999570860689920 |
|
