18174-1920 B  2863

 
 
18h 17m 22.84s -19 19' 33.2" P.A. 311 sep 5.7 mag 9.87,11.90 Sp A0V
 
 
Coord 2000
18174-1920
Discov num
B  2863
Comp
Coord arcsec 2000
18 17 22.84 -19 19 33.2
Date first
1930
Date last
2000
Obs
4
Pa first
320
Pa last
311
P.A. Now (θ)
311°
Sep first
5.0
Sep last
5.7
Sep. Now (ρ)
5.7"
Mag pri
9.87
Mag sec
11.90
delta mag (ΔM)
2.03
Spectral class
A0V (white)
Pri motion ra
+004
Sec motion ra
-105
Pri motion dec
-010
Sec motion dec
+096
Notes
N (See Notes)
rPM=1.069
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.5
Precise sep
5.699
Constellation
Sagittarius
Tycho2
6273-00223-1
HD
167749
last precise pa
310.5
last precise sep
5.699
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18174-1920 B 2863 1999 2 311 5.7 9.87 11.90 A0V N D 181722.84-191933.2
18174-1920 B 2863 2000 4 311 5.7 9.87 11.90 A0V N D 181722.84-191933.2

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