17045-7219 LDS 578

 
 
17h 04m 24.79s -72 18' 08.6" P.A. 198 sep 15.5 mag 10.10,12.33
 
 
Coord 2000
17045-7219
Discov num
LDS 578
Comp
Coord arcsec 2000
17 04 24.79 -72 18 08.6
Date first
1892
Date last
2015
Obs
7
Pa first
187
Pa last
198
P.A. Now (θ)
198°
Sep first
18.2
Sep last
15.5
Sep. Now (ρ)
15.5"
Mag pri
10.10
Mag sec
12.33
delta mag (ΔM)
2.23
Spectral class
Pri motion ra
+007
Sec motion ra
-022
Pri motion dec
-093
Sec motion dec
-067
Notes
rPM=0.418
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
197.7
Precise sep
15.506
Constellation
Apus
Tycho2
9283-01004-1
Gaia DR2
69707805056
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
17045-7219 LDS 578 2000 4 196 15.9 10.10 11.30 D 170424.79-721808.6
17045-7219 LDS 578 2010 6 197 15.4 10.10 12.33 170424.79-721808.6
17045-7219 LDS 578 2015 7 198 15.5 10.10 12.33 170424.79-721808.6

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