20400-4109 UC 4250

 
 
20h 39m 58.01s -41 08' 34.0" P.A. 315.00 sep 28.8 mag 12.18,14.65
 
 
Coord 2000
20400-4109
Discov num
UC 4250
Comp
Coord arcsec 2000
20 39 58.01 -41 08 34.0
Date first
1996
Date last
2015
Obs
6
Pa first
315
Pa last
315
P.A. Now (θ)
315°
Sep first
28.7
Sep last
28.8
Sep. Now (ρ)
28.8"
Mag pri
12.18
Mag sec
14.65
delta mag (ΔM)
2.47
Spectral class
Pri motion ra
+035
Sec motion ra
+034
Pri motion dec
-115
Sec motion dec
-113
Notes
V (Proper motion indicates physical)
rPM=0.019 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
314.8
Precise sep
28.765
Constellation
Microscopium
Gaia DR2
23486460032
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20400-4109 UC 4250 1998 2 315 28.8 12.20 14.60 V 203958.01-410834.0
20400-4109 UC 4250 2000 2 315 28.7 12.20 14.60 V 203958.01-410834.0
20400-4109 UC 4250 2010 4 315 28.8 12.18 14.65 V 203958.01-410834.0
20400-4109 UC 4250 2015 5 315 28.7 12.18 14.65 V 203958.01-410834.0

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