20509+3855 SEI 1278
20h 50m 53.31s +38° 54' 49.9" P.A. 135.00 sep 25.5 mag 11.33,12.06 Sp G0
Coord 2000 |
20509+3855 |
|
Discov num |
SEI1278 |
|
Comp |
|
|
Coord arcsec 2000 |
20 50 53.31 +38 54 49.9 |
|
Date first |
1896 |
|
Date last |
2015 |
|
Obs |
12 |
|
Pa first |
139 |
|
Pa last |
135.1 |
|
P.A. Now (θ) |
135.1° |
|
Sep first |
23.9 |
|
Sep last |
25.527 |
|
Sep. Now (ρ) |
25.527" |
|
Mag pri |
11.33 |
|
Mag sec |
12.06 |
|
delta mag (ΔM) |
0.73 |
|
Spectral class |
G0 (yellow) |
|
Pri motion ra |
-017 |
|
Sec motion ra |
+001 |
|
Pri motion dec |
-024 |
|
Sec motion dec |
-023 |
|
Notes |
|
|
rPM=0.613
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Cygnus |
|
Tycho2 |
3167-01724-1 |
|
Gaia DR2 |
1872776371520153728 |
|