18369-1617 ARA 110

 
 
18h 36m 56.27s -16 17' 28.3" P.A. 279 sep 15.3 mag 8.59,10.30 Sp G8/K0
 
 
Coord 2000
18369-1617
Discov num
ARA 110
Comp
Coord arcsec 2000
18 36 56.27 -16 17 28.3
Date first
1905
Date last
2011
Obs
7
Pa first
280
Pa last
279
P.A. Now (θ)
279°
Sep first
14.9
Sep last
15.3
Sep. Now (ρ)
15.3"
Mag pri
8.59
Mag sec
10.30
delta mag (ΔM)
1.71
Spectral class
G8/K0 (yellow)
Pri motion ra
+019
Sec motion ra
+016
Pri motion dec
-010
Sec motion dec
-011
Notes
rPM=0.147 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
279.1
Precise sep
15.28
Constellation
Sagittarius
SAO
161663
Tycho2
6267-02456-1
HD
171707
last precise pa
279.1
last precise sep
15.28
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18369-1617 ARA 110 1998 3 280 15.0 8.59 10.30 G8/K0 D 183656.27-161728.3
18369-1617 ARA 110 2011 4 279 15.3 8.59 10.30 G8/K0 D 183656.27-161728.3

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