20558+4448 ES 674
20h 55m 48.12s +44° 47' 44.3" P.A. 94.00 sep 5.6 mag 10.42,13.00 Sp A2
Coord 2000 |
20558+4448 |
|
Discov num |
ES 674 |
|
Comp |
|
|
Coord arcsec 2000 |
20 55 48.12 +44 47 44.3 |
|
Date first |
1892 |
|
Date last |
2016 |
|
Obs |
9 |
|
Pa first |
92 |
|
Pa last |
94 |
|
P.A. Now (θ) |
94° |
|
Sep first |
5.3 |
|
Sep last |
5.6 |
|
Sep. Now (ρ) |
5.6" |
|
Mag pri |
10.42 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
2.58 |
|
Spectral class |
A2 (white) |
|
Pri motion ra |
-002 |
|
Sec motion ra |
+002 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-006 |
|
Notes |
|
|
rPM=0.791
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3179-00607-1 |
|
Gaia DR2 |
2163068301927177088 |
|
ADS |
14442 |
|