18218-2309 ARA 2228
18h 21m 44.66s -23° 09' 00.8" P.A. 195.00 sep 14.0 mag 12.90,13.00
Coord 2000 |
18218-2309 |
|
Discov num |
ARA2228 |
|
Comp |
|
|
Coord arcsec 2000 |
18 21 44.66 -23 09 00.8 |
|
Date first |
1911 |
|
Date last |
2015 |
|
Obs |
7 |
|
Pa first |
195 |
|
Pa last |
195.2 |
|
P.A. Now (θ) |
195.2° |
|
Sep first |
13.5 |
|
Sep last |
13.963 |
|
Sep. Now (ρ) |
13.963" |
|
Mag pri |
12.90 |
|
Mag sec |
13.00 |
|
delta mag (ΔM) |
0.1 |
|
Spectral class |
|
|
Pri motion ra |
+010 |
|
Sec motion ra |
+003 |
|
Pri motion dec |
-003 |
|
Sec motion dec |
-007 |
|
Notes |
|
|
rPM=0.772
Nature of this double is uncertain.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
4089614429863778688 |
|