21088+3102 ES 375
21h 08m 51.44s +31° 01' 37.2" P.A. 42.00 sep 4.5 mag 10.60,11.10
| Coord 2000 |
21088+3102 |
|
Discov num |
ES 375 |
|
Comp |
|
|
Coord arcsec 2000 |
21 08 51.44 +31 01 37.2 |
|
| Date first |
1902 |
|
Date last |
2018 |
|
Obs |
8 |
|
| Pa first |
45 |
|
Pa last |
41.8 |
|
P.A. Now (θ) |
41.8° |
|
| Sep first |
3.0 |
|
Sep last |
4.536 |
|
Sep. Now (ρ) |
4.536" |
|
| Mag pri |
10.60 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
0.5 |
|
Spectral class |
|
|
| Pri motion ra |
-008 |
|
Sec motion ra |
+014 |
|
| Pri motion dec |
-005 |
|
Sec motion dec |
+017 |
|
| Notes |
|
|
rPM=1.413
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1852963794766143488 |
|
ADS |
14686 |
|
