18487-2230 ARA 1900
18h 48m 43.61s -22° 30' 21.5" P.A. 103.00 sep 12.0 mag 11.65,12.08
Coord 2000 |
18487-2230 |
|
Discov num |
ARA1900 |
|
Comp |
|
|
Coord arcsec 2000 |
18 48 43.61 -22 30 21.5 |
|
Date first |
1920 |
|
Date last |
2016 |
|
Obs |
10 |
|
Pa first |
99 |
|
Pa last |
103.4 |
|
P.A. Now (θ) |
103.4° |
|
Sep first |
11.7 |
|
Sep last |
11.952 |
|
Sep. Now (ρ) |
11.952" |
|
Mag pri |
11.65 |
|
Mag sec |
12.08 |
|
delta mag (ΔM) |
0.43 |
|
Spectral class |
|
|
Pri motion ra |
+012 |
|
Sec motion ra |
+014 |
|
Pri motion dec |
-008 |
|
Sec motion dec |
-013 |
|
Notes |
|
|
rPM=0.282 (< 0.3, Physical double)
This double is physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Tycho2 |
6859-01200-1 |
|
Gaia DR2 |
4078674873280098816 |
|