21275+5747 HJ 1648
21h 27m 34.75s +57° 47' 13.9" P.A. 29.00 sep 9.3 mag 12.20,12.80
| Coord 2000 |
21275+5747 |
|
Discov num |
HJ 1648 |
|
Comp |
|
|
Coord arcsec 2000 |
21 27 34.75 +57 47 13.9 |
|
| Date first |
1828 |
|
Date last |
2014 |
|
Obs |
8 |
|
| Pa first |
26 |
|
Pa last |
29 |
|
P.A. Now (θ) |
29° |
|
| Sep first |
4.0 |
|
Sep last |
9.252 |
|
Sep. Now (ρ) |
9.252" |
|
| Mag pri |
12.20 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.6 |
|
Spectral class |
|
|
| Pri motion ra |
-014 |
|
Sec motion ra |
-008 |
|
| Pri motion dec |
+001 |
|
Sec motion dec |
-006 |
|
| Notes |
|
|
rPM=0.657
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2178885528291717760 |
|
