18555-1626 ARA 112

 
 
18h 55m 30.33s -16 26' 02.0" P.A. 176 sep 10.7 mag 9.95,11.23 Sp A
 
 
Coord 2000
18555-1626
Discov num
ARA 112
Comp
Coord arcsec 2000
18 55 30.33 -16 26 02.0
Date first
1905
Date last
2010
Obs
8
Pa first
179
Pa last
176
P.A. Now (θ)
176°
Sep first
10.5
Sep last
10.7
Sep. Now (ρ)
10.7"
Mag pri
9.95
Mag sec
11.23
delta mag (ΔM)
1.28
Spectral class
A (white)
Pri motion ra
+002
Sec motion ra
+004
Pri motion dec
-003
Sec motion dec
-010
Notes
rPM=0.676
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
176
Precise sep
10.72
Constellation
Sagittarius
SAO
161983
Tycho2
6281-01989-1
last precise pa
176
last precise sep
10.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18555-1626 ARA 112 1998 5 176 10.7 9.95 11.23 A D 185530.33-162602.0
18555-1626 ARA 112 2000 7 176 10.7 9.95 11.23 A D 185530.33-162602.0
18555-1626 ARA 112 2010 8 176 10.7 9.95 11.23 A 185530.33-162602.0

If you need more information about this double, apply for a data request form to the WDS.