18258-2220 ARA 1887
18h 25m 50.47s -22° 19' 25.6" P.A. 187.00 sep 6.0 mag 12.27,12.66
Coord 2000 |
18258-2220 |
|
Discov num |
ARA1887 |
|
Comp |
|
|
Coord arcsec 2000 |
18 25 50.47 -22 19 25.6 |
|
Date first |
1920 |
|
Date last |
2016 |
|
Obs |
6 |
|
Pa first |
188 |
|
Pa last |
187.4 |
|
P.A. Now (θ) |
187.4° |
|
Sep first |
5.9 |
|
Sep last |
6.004 |
|
Sep. Now (ρ) |
6.004" |
|
Mag pri |
12.27 |
|
Mag sec |
12.66 |
|
delta mag (ΔM) |
0.39 |
|
Spectral class |
|
|
Pri motion ra |
+001 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
-016 |
|
Sec motion dec |
-063 |
|
Notes |
B
(Blue magnitudes) |
|
rPM=0.758
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4090127150221037696 |
|