21068+4021 ES 1989
21h 06m 49.49s +40° 20' 57.1" P.A. 174.00 sep 6.0 mag 10.60,11.07
| Coord 2000 |
21068+4021 |
|
Discov num |
ES 1989 |
|
Comp |
|
|
Coord arcsec 2000 |
21 06 49.49 +40 20 57.1 |
|
| Date first |
1892 |
|
Date last |
2015 |
|
Obs |
13 |
|
| Pa first |
167 |
|
Pa last |
173.5 |
|
P.A. Now (θ) |
173.5° |
|
| Sep first |
4.1 |
|
Sep last |
5.99 |
|
Sep. Now (ρ) |
5.99" |
|
| Mag pri |
10.60 |
|
Mag sec |
11.07 |
|
delta mag (ΔM) |
0.47 |
|
Spectral class |
|
|
| Pri motion ra |
+000 |
|
Sec motion ra |
-002 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-024 |
|
| Notes |
|
|
rPM=0.711
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Tycho2 |
3172-01123-1 |
|
Gaia DR2 |
1968452854018128512 |
|
ADS |
14650 |
|
