21009+5931 ES 2703
21h 00m 55.77s +59° 30' 48.5" P.A. 230.00 sep 10.2 mag 10.49,10.59
Coord 2000 |
21009+5931 |
|
Discov num |
ES 2703 |
|
Comp |
|
|
Coord arcsec 2000 |
21 00 55.77 +59 30 48.5 |
|
Date first |
1897 |
|
Date last |
2016 |
|
Obs |
15 |
|
Pa first |
227 |
|
Pa last |
230.3 |
|
P.A. Now (θ) |
230.3° |
|
Sep first |
10.3 |
|
Sep last |
10.165 |
|
Sep. Now (ρ) |
10.165" |
|
Mag pri |
10.49 |
|
Mag sec |
10.59 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
+005 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
+004 |
|
Sec motion dec |
+004 |
|
Notes |
|
|
rPM=0.625
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
3964-00509-1 |
|
Gaia DR2 |
2190890069262998656 |
|