21220+4408 HJ 1639
21h 22m 06.47s +44° 06' 56.0" P.A. 102.00 sep 10.7 mag 11.61,11.41
| Coord 2000 |
21220+4408 |
|
Discov num |
HJ 1639 |
|
Comp |
|
|
Coord arcsec 2000 |
21 22 06.47 +44 06 56.0 |
|
| Date first |
1828 |
|
Date last |
2018 |
|
Obs |
9 |
|
| Pa first |
105 |
|
Pa last |
101.8 |
|
P.A. Now (θ) |
101.8° |
|
| Sep first |
5.0 |
|
Sep last |
10.692 |
|
Sep. Now (ρ) |
10.692" |
|
| Mag pri |
11.61 |
|
Mag sec |
11.41 |
|
delta mag (ΔM) |
0.2 |
|
Spectral class |
|
|
| Pri motion ra |
-013 |
|
Sec motion ra |
+002 |
|
| Pri motion dec |
-001 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.191
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cygnus |
|
Gaia DR2 |
1970825664521065344 |
|
