20377-4236 UC 4238

 
 
20h 37m 44.79s -42 36' 18.1" P.A. 182.00 sep 83.6 mag 15.40,15.90
 
 
Coord 2000
20377-4236
Discov num
UC 4238
Comp
Coord arcsec 2000
20 37 44.79 -42 36 18.1
Date first
1998
Date last
2015
Obs
4
Pa first
182
Pa last
182
P.A. Now (θ)
182°
Sep first
89.1
Sep last
83.6
Sep. Now (ρ)
83.6"
Mag pri
15.40
Mag sec
15.90
delta mag (ΔM)
0.5
Spectral class
Pri motion ra
+013
Sec motion ra
+004
Pri motion dec
-092
Sec motion dec
-109
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.176 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
181.6
Precise sep
83.632
Constellation
Microscopium
Gaia DR2
44903797888
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20377-4236 UC 4238 1999 2 182 88.8 15.40 15.90 V 203744.79-423618.1
20377-4236 UC 4238 2000 2 182 89.2 15.40 15.90 V 203744.79-423618.1
20377-4236 UC 4238 2010 3 182 84.5 15.40 15.90 V R 203744.79-423618.1
20377-4236 UC 4238 2015 4 182 83.6 15.40 15.90 V R 203744.79-423618.1

If you need more information about this double, apply for a data request form to the WDS.