18121-2054 ARA 1139
18h 12m 03.75s -20° 53' 19.9" P.A. 123.00 sep 10.6 mag 12.50,12.80
| Coord 2000 |
18121-2054 |
|
Discov num |
ARA1139 |
|
Comp |
|
|
Coord arcsec 2000 |
18 12 03.75 -20 53 19.9 |
|
| Date first |
1923 |
|
Date last |
2015 |
|
Obs |
6 |
|
| Pa first |
122 |
|
Pa last |
122.8 |
|
P.A. Now (θ) |
122.8° |
|
| Sep first |
10.4 |
|
Sep last |
10.648 |
|
Sep. Now (ρ) |
10.648" |
|
| Mag pri |
12.50 |
|
Mag sec |
12.80 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
|
|
| Pri motion ra |
-004 |
|
Sec motion ra |
+005 |
|
| Pri motion dec |
-007 |
|
Sec motion dec |
-008 |
|
| Notes |
|
|
rPM=0.96
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
| Constellation |
Sagittarius |
|
Gaia DR2 |
4093989043027656320 |
|
