18557-3117 PRO 219
18h 55m 38.92s -31° 16' 52.3" P.A. 167.00 sep 12.7 mag 11.40,11.70 Sp A3Ia
Coord 2000 |
18557-3117 |
|
Discov num |
PRO 219 |
|
Comp |
|
|
Coord arcsec 2000 |
18 55 38.92 -31 16 52.3 |
|
Date first |
1910 |
|
Date last |
2015 |
|
Obs |
6 |
|
Pa first |
178 |
|
Pa last |
166.5 |
|
P.A. Now (θ) |
166.5° |
|
Sep first |
12.3 |
|
Sep last |
12.68 |
|
Sep. Now (ρ) |
12.68" |
|
Mag pri |
11.40 |
|
Mag sec |
11.70 |
|
delta mag (ΔM) |
0.3 |
|
Spectral class |
A3Ia (white) |
|
Pri motion ra |
-016 |
|
Sec motion ra |
+010 |
|
Pri motion dec |
-001 |
|
Sec motion dec |
-017 |
|
Notes |
|
|
rPM=1.548
This double is not physical.
OTHER CATALOGS AND DESIGNATIONS
Constellation |
Sagittarius |
|
Gaia DR2 |
6760236123988679936 |
|