20455-0332 AHD 29
20h 45m 29.15s -03° 31' 43.2" P.A. 137.00 sep 20.9 mag 12.20,12.50 Sp K6V+K7V
Coord 2000 |
20455-0332 |
|
Discov num |
AHD 29 |
|
Comp |
|
|
Coord arcsec 2000 |
20 45 29.15 -03 31 43.2 |
|
Date first |
1895 |
|
Date last |
2015 |
|
Obs |
11 |
|
Pa first |
137 |
|
Pa last |
136.5 |
|
P.A. Now (θ) |
136.5° |
|
Sep first |
20.8 |
|
Sep last |
20.908 |
|
Sep. Now (ρ) |
20.908" |
|
Mag pri |
12.20 |
|
Mag sec |
12.50 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
K6V+K7V (yellow-orange/yellow-orange) |
|
Pri motion ra |
-004 |
|
Sec motion ra |
-001 |
|
Pri motion dec |
-041 |
|
Sec motion dec |
-034 |
|
Notes |
V
(Proper motion indicates physical) |
|
rPM=0.185 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Aquarius |
|
Tycho2 |
5182-01922-1 |
|
Gaia DR2 |
6915082103169553152 |
|