21205+3107 J 3135
21h 20m 14.33s +31° 09' 50.3" P.A. 97.00 sep 4.0 mag 12.80,14.20
| Coord 2000 |
21205+3107 |
|
Discov num |
J 3135 |
|
Comp |
|
|
Coord arcsec 2000 |
21 20 14.33 +31 09 50.3 |
|
| Date first |
1944 |
|
Date last |
2015 |
|
Obs |
4 |
|
| Pa first |
90 |
|
Pa last |
97.4 |
|
P.A. Now (θ) |
97.4° |
|
| Sep first |
3.0 |
|
Sep last |
4.043 |
|
Sep. Now (ρ) |
4.043" |
|
| Mag pri |
12.80 |
|
Mag sec |
14.20 |
|
delta mag (ΔM) |
1.4 |
|
Spectral class |
|
|
| Pri motion ra |
+002 |
|
Sec motion ra |
+023 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-021 |
|
| Notes |
|
|
rPM=0.81
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1853530107667325952 |
|
