17317-5618 LDS 600

 
 
17h 31m 45.79s -56 17' 09.7" P.A. 144 sep 4.7 mag 12.30,12.20
 
 
Coord 2000
17317-5618
Discov num
LDS 600
Comp
Coord arcsec 2000
17 31 45.79 -56 17 09.7
Date first
1894
Date last
2010
Obs
6
Pa first
147
Pa last
144
P.A. Now (θ)
144°
Sep first
7.5
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
12.30
Mag sec
12.20
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-038
Sec motion ra
-061
Pri motion dec
-029
Sec motion dec
-057
Notes
R (Red magnitudes)
rPM=0.434
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
143.6
Precise sep
4.72
Constellation
Ara
last precise pa
143.6
last precise sep
4.72
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17317-5618 LDS 600 1920 2 135 8.0 12.75 12.75 B 173146.03-561701.7
17317-5618 LDS 600 2000 4 145 4.9 12.75 12.75 B 173146.03-561701.7
17317-5618 LDS 600 2010 6 144 4.7 12.30 12.20 R 173145.79-561709.7

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