00172-1921 LDS   9

 
 
00h 17m 18.27s -19 20' 19.4" P.A. 101 sep 114.9 mag 10.27,10.81
 
 
Coord 2000
00172-1921
Discov num
LDS   9
Comp
Coord arcsec 2000
00 17 18.27 -19 20 19.4
Date first
1920
Date last
2010
Obs
8
Pa first
135
Pa last
101
P.A. Now (θ)
101°
Sep first
115.0
Sep last
114.9
Sep. Now (ρ)
114.9"
Mag pri
10.27
Mag sec
10.81
delta mag (ΔM)
0.54
Spectral class
Pri motion ra
-095
Sec motion ra
-094
Pri motion dec
-030
Sec motion dec
-026
Notes
N (See Notes)
rPM=0.041 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
100.9
Precise sep
114.91
Constellation
Cetus
Tycho2
5842-00409-1
last precise pa
100.9
last precise sep
114.91
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
00172-1921 LDS 9 2000 4 101 114.8 10.27 10.81 N D 001718.27-192019.4
00172-1921 LDS 9 2009 5 101 115.0 10.27 10.81 N D 001718.27-192019.4
00172-1921 LDS 9 2010 8 101 114.9 10.27 10.81 N 001718.27-192019.4

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