21391+6846 MLB 305
21h 39m 05.71s +68° 45' 35.1" P.A. 82.00 sep 6.1 mag 9.10,11.10 Sp F8
Coord 2000 |
21391+6846 |
|
Discov num |
MLB 305 |
|
Comp |
|
|
Coord arcsec 2000 |
21 39 05.71 +68 45 35.1 |
|
Date first |
1894 |
|
Date last |
2016 |
|
Obs |
14 |
|
Pa first |
76 |
|
Pa last |
82.1 |
|
P.A. Now (θ) |
82.1° |
|
Sep first |
4.7 |
|
Sep last |
6.078 |
|
Sep. Now (ρ) |
6.078" |
|
Mag pri |
9.10 |
|
Mag sec |
11.10 |
|
delta mag (ΔM) |
2 |
|
Spectral class |
F8 (yellow-white) |
|
Pri motion ra |
-012 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
-029 |
|
Sec motion dec |
-029 |
|
Notes |
|
|
rPM=0.319
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
4462-00576-1 |
|
Gaia DR2 |
2223712518574078592 |
|