21233+3810 ALI 690
21h 23m 21.92s +38° 09' 46.4" P.A. 65.00 sep 8.8 mag 13.60,13.60
| Coord 2000 |
21233+3810 |
|
Discov num |
ALI 690 |
|
Comp |
|
|
Coord arcsec 2000 |
21 23 21.92 +38 09 46.4 |
|
| Date first |
1929 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
58 |
|
Pa last |
65.2 |
|
P.A. Now (θ) |
65.2° |
|
| Sep first |
7.8 |
|
Sep last |
8.804 |
|
Sep. Now (ρ) |
8.804" |
|
| Mag pri |
13.60 |
|
Mag sec |
13.60 |
|
delta mag (ΔM) |
0 |
|
Spectral class |
|
|
| Pri motion ra |
-022 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-002 |
|
| Notes |
|
|
rPM=0.778
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1964106548967474560 |
|
