21147+5702 HJ 1630
21h 14m 38.86s +57° 02' 11.2" P.A. 133.00 sep 17.4 mag 10.48,11.52
| Coord 2000 |
21147+5702 |
|
Discov num |
HJ 1630 |
|
Comp |
|
|
Coord arcsec 2000 |
21 14 38.86 +57 02 11.2 |
|
| Date first |
1828 |
|
Date last |
2016 |
|
Obs |
14 |
|
| Pa first |
125 |
|
Pa last |
133.2 |
|
P.A. Now (θ) |
133.2° |
|
| Sep first |
15.0 |
|
Sep last |
17.439 |
|
Sep. Now (ρ) |
17.439" |
|
| Mag pri |
10.48 |
|
Mag sec |
11.52 |
|
delta mag (ΔM) |
1.04 |
|
Spectral class |
|
|
| Pri motion ra |
+019 |
|
Sec motion ra |
-005 |
|
| Pri motion dec |
+000 |
|
Sec motion dec |
-005 |
|
| Notes |
|
|
rPM=1.29
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Tycho2 |
3961-01167-1 |
|
Gaia DR2 |
2177478879268851968 |
|
