23172-3915 UC 4917

 
 
23h 17m 13.44s -39 15' 09.7" P.A. 32 sep 19.7 mag 15.17,15.59
 
 
Coord 2000
23172-3915
Discov num
UC 4917
Comp
Coord arcsec 2000
23 17 13.44 -39 15 09.7
Date first
1998
Date last
2015
Obs
4
Pa first
31
Pa last
32
P.A. Now (θ)
32°
Sep first
19.6
Sep last
19.7
Sep. Now (ρ)
19.7"
Mag pri
15.17
Mag sec
15.59
delta mag (ΔM)
0.42
Spectral class
Pri motion ra
+061
Sec motion ra
+065
Pri motion dec
-004
Sec motion dec
-005
Notes
V (Proper motion indicates physical)
rPM=0.063 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.5
Precise sep
19.724
Constellation
Grus
last precise pa
31.5
last precise sep
19.724
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
23172-3915 UC 4917 1999 2 31 19.6 15.20 15.60 V 231713.44-391509.7
23172-3915 UC 4917 2000 2 31 19.6 15.20 15.60 V 231713.44-391509.7
23172-3915 UC 4917 2010 3 31 19.6 15.17 15.59 V 231713.44-391509.7
23172-3915 UC 4917 2015 4 32 19.7 15.17 15.59 V 231713.44-391509.7

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