17500-2847 RST1992

 
 
17h 50m 00.46s -28 47' 12.6" P.A. 144 sep 0.5 mag 9.90,10.50 Sp A1IV
 
 
Coord 2000
17500-2847
Discov num
RST1992
Comp
Coord arcsec 2000
17 50 00.46 -28 47 12.6
Date first
1934
Date last
2000
Obs
5
Pa first
163
Pa last
144
P.A. Now (θ)
144°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
9.90
Mag sec
10.50
delta mag (ΔM)
0.6
Spectral class
A1IV (white)
Pri motion ra
-003
Sec motion ra
Pri motion dec
-009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.8
Precise sep
0.54
Constellation
Sagittarius
SAO
185812
Tycho2
6840-00103-1
HD
162014
last precise pa
143.8
last precise sep
0.54
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17500-2847 RST1992 1960 4 159 0.5 9.90 10.50 A1IV 175000.46-284712.6
17500-2847 RST1992 2000 5 144 0.5 9.90 10.50 A1IV 175000.46-284712.6

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