21582+4428 SMA 154
21h 58m 12.28s +44° 28' 23.6" P.A. 161.00 sep 11.1 mag 10.00,11.00
Coord 2000 |
21582+4428 |
|
Discov num |
SMA 154 |
|
Comp |
|
|
Coord arcsec 2000 |
21 58 12.28 +44 28 23.6 |
|
Date first |
1909 |
|
Date last |
2016 |
|
Obs |
11 |
|
Pa first |
159 |
|
Pa last |
161.4 |
|
P.A. Now (θ) |
161.4° |
|
Sep first |
10.9 |
|
Sep last |
11.081 |
|
Sep. Now (ρ) |
11.081" |
|
Mag pri |
10.00 |
|
Mag sec |
11.00 |
|
delta mag (ΔM) |
1 |
|
Spectral class |
|
|
Pri motion ra |
-005 |
|
Sec motion ra |
-009 |
|
Pri motion dec |
-006 |
|
Sec motion dec |
-010 |
|
Notes |
|
|
rPM=0.42
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3197-01464-1 |
|
Gaia DR2 |
1961277990883852032 |
|