18165-2818 B  2861

 
 
18h 16m 28.94s -28 18' 18.9" P.A. 150 sep 8.6 mag 9.00,13.30 Sp G8IV
 
 
Coord 2000
18165-2818
Discov num
B  2861
Comp
Coord arcsec 2000
18 16 28.94 -28 18 18.9
Date first
1913
Date last
1999
Obs
4
Pa first
146
Pa last
150
P.A. Now (θ)
150°
Sep first
7.2
Sep last
8.6
Sep. Now (ρ)
8.6"
Mag pri
9.00
Mag sec
13.30
delta mag (ΔM)
4.3
Spectral class
G8IV (yellow)
Pri motion ra
-005
Sec motion ra
+000
Pri motion dec
+010
Sec motion dec
-008
Notes
rPM=1.671
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
149.9
Precise sep
8.636
Constellation
Sagittarius
SAO
186569
Tycho2
6855-01242-1
HD
167458
last precise pa
149.9
last precise sep
8.636
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18165-2818 B 2861 1948 3 157 8.4 9.00 13.30 G8IV 181628.94-281818.9
18165-2818 B 2861 1999 4 150 8.6 9.00 13.30 G8IV 181628.94-281818.9

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