21231+3821 ALI 689
21h 23m 09.72s +38° 20' 29.8" P.A. 107.00 sep 14.6 mag 13.00,13.00
| Coord 2000 |
21231+3821 |
|
Discov num |
ALI 689 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 09.72 +38 20 29.8 |
|
| Date first |
1928 |
|
Date last |
2015 |
|
Obs |
8 |
|
| Pa first |
111 |
|
Pa last |
107.1 |
|
P.A. Now (θ) |
107.1° |
|
| Sep first |
14.0 |
|
Sep last |
14.562 |
|
Sep. Now (ρ) |
14.562" |
|
| Mag pri |
13.00 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-003 |
|
Sec motion ra |
+001 |
|
| Pri motion dec |
+002 |
|
Sec motion dec |
+011 |
|
| Notes |
|
|
rPM=0.892
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1964112905515315584 |
|
