21391+5742 PET 8
21h 39m 07.88s +57° 42' 08.5" P.A. 218.00 sep 1.4 mag 11.58, Sp A9
| Coord 2000 |
21391+5742 |
|
Discov num |
PET 8 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 07.88 +57 42 08.5 |
|
| Date first |
2007 |
|
Date last |
2007 |
|
Obs |
1 |
|
| Pa first |
218 |
|
Pa last |
218 |
|
P.A. Now (θ) |
218° |
|
| Sep first |
1.4 |
|
Sep last |
1.39 |
|
Sep. Now (ρ) |
1.39" |
|
| Mag pri |
11.58 |
|
Mag sec |
|
|
delta mag (ΔM) |
|
|
Spectral class |
A9 (white) |
|
| Pri motion ra |
-007 |
|
Sec motion ra |
|
|
| Pri motion dec |
-006 |
|
Sec motion dec |
|
|
| Notes |
|
|
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Cepheus |
|
Gaia DR2 |
2178404736784039424 |
|