21576+7621 SKF 2780
21h 57m 33.99s +76° 20' 43.0" P.A. 345.00 sep 22.4 mag 10.80,10.90 Sp F8+F8
Coord 2000 |
21576+7621 |
|
Discov num |
SKF2780 |
|
Comp |
|
|
Coord arcsec 2000 |
21 57 33.99 +76 20 43.0 |
|
Date first |
1900 |
|
Date last |
2015 |
|
Obs |
13 |
|
Pa first |
346 |
|
Pa last |
345.4 |
|
P.A. Now (θ) |
345.4° |
|
Sep first |
22.7 |
|
Sep last |
22.376 |
|
Sep. Now (ρ) |
22.376" |
|
Mag pri |
10.80 |
|
Mag sec |
10.90 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
F8+F8 (yellow-white/yellow-white) |
|
Pri motion ra |
-003 |
|
Sec motion ra |
-002 |
|
Pri motion dec |
+005 |
|
Sec motion dec |
+007 |
|
Notes |
T
(Parallax indicates physical) |
|
rPM=0.307
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cepheus |
|
Tycho2 |
4599-00995-1 |
|
Gaia DR2 |
2280482915254489216 |
|