21142+4930 ES 819
21h 14m 11.62s +49° 29' 50.9" P.A. 203.00 sep 5.0 mag 10.80,11.40
| Coord 2000 |
21142+4930 |
|
Discov num |
ES 819 |
|
Comp |
|
|
Coord arcsec 2000 |
21 14 11.62 +49 29 50.9 |
|
| Date first |
1902 |
|
Date last |
2019 |
|
Obs |
14 |
|
| Pa first |
199 |
|
Pa last |
202.7 |
|
P.A. Now (θ) |
202.7° |
|
| Sep first |
3.9 |
|
Sep last |
5.01 |
|
Sep. Now (ρ) |
5.01" |
|
| Mag pri |
10.80 |
|
Mag sec |
11.40 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
+036 |
|
Sec motion ra |
|
|
| Pri motion dec |
+030 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3597-00652-1 |
|
Gaia DR2 |
2165885353786606592 |
|
