21102+3923 ALI 963
21h 10m 11.98s +39° 23' 45.0" P.A. 291.00 sep 6.9 mag 12.40,12.60
| Coord 2000 |
21102+3923 |
|
Discov num |
ALI 963 |
|
Comp |
|
|
Coord arcsec 2000 |
21 10 11.98 +39 23 45.0 |
|
| Date first |
1928 |
|
Date last |
2015 |
|
Obs |
7 |
|
| Pa first |
297 |
|
Pa last |
291.3 |
|
P.A. Now (θ) |
291.3° |
|
| Sep first |
6.7 |
|
Sep last |
6.897 |
|
Sep. Now (ρ) |
6.897" |
|
| Mag pri |
12.40 |
|
Mag sec |
12.60 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
+008 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-013 |
|
| Notes |
|
|
rPM=0.645
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1968156707431848064 |
|
