21377+3911 ALI 975
21h 37m 38.66s +39° 10' 56.1" P.A. 153.00 sep 12.8 mag 11.40,12.23
| Coord 2000 |
21377+3911 |
|
Discov num |
ALI 975 |
|
Comp |
|
|
Coord arcsec 2000 |
21 37 38.66 +39 10 56.1 |
|
| Date first |
1929 |
|
Date last |
2015 |
|
Obs |
9 |
|
| Pa first |
154 |
|
Pa last |
152.5 |
|
P.A. Now (θ) |
152.5° |
|
| Sep first |
13.4 |
|
Sep last |
12.83 |
|
Sep. Now (ρ) |
12.83" |
|
| Mag pri |
11.40 |
|
Mag sec |
12.23 |
|
delta mag (ΔM) |
0.83 |
|
Spectral class |
|
|
| Pri motion ra |
-010 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-004 |
|
Sec motion dec |
+000 |
|
| Notes |
|
|
rPM=1.174
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1953933356290006912 |
|
