18317-2211 ARA 1890
18h 31m 44.04s -22° 10' 40.6" P.A. 289.00 sep 11.5 mag 11.12,11.90
Coord 2000 |
18317-2211 |
|
Discov num |
ARA1890 |
|
Comp |
|
|
Coord arcsec 2000 |
18 31 44.04 -22 10 40.6 |
|
Date first |
1928 |
|
Date last |
2015 |
|
Obs |
8 |
|
Pa first |
291 |
|
Pa last |
288.7 |
|
P.A. Now (θ) |
288.7° |
|
Sep first |
10.2 |
|
Sep last |
11.48 |
|
Sep. Now (ρ) |
11.48" |
|
Mag pri |
11.12 |
|
Mag sec |
11.90 |
|
delta mag (ΔM) |
0.78 |
|
Spectral class |
|
|
Pri motion ra |
+007 |
|
Sec motion ra |
-011 |
|
Pri motion dec |
-002 |
|
Sec motion dec |
-004 |
|
Notes |
|
|
rPM=1.547
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6278-00853-1 |
|
Gaia DR2 |
4090013208981539712 |
|