20159-2758 UC 4131

 
 
20h 15m 54.03s -27 58' 22.0" P.A. 78 sep 45.8 mag 11.60,15.90
 
 
Coord 2000
20159-2758
Discov num
UC 4131
Comp
Coord arcsec 2000
20 15 54.03 -27 58 22.0
Date first
1998
Date last
2015
Obs
5
Pa first
78
Pa last
78
P.A. Now (θ)
78°
Sep first
46.1
Sep last
45.8
Sep. Now (ρ)
45.8"
Mag pri
11.60
Mag sec
15.90
delta mag (ΔM)
4.3
Spectral class
Pri motion ra
+038
Sec motion ra
+033
Pri motion dec
-046
Sec motion dec
-046
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.084 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
78
Precise sep
45.826
Constellation
Sagittarius
last precise pa
78
last precise sep
45.826
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20159-2758 UC 4131 1999 2 78 46.1 11.60 15.90 V 201554.03-275822.0
20159-2758 UC 4131 2000 2 78 46.0 11.60 15.90 V 201554.03-275822.0
20159-2758 UC 4131 2010 4 78 46.1 11.60 15.90 V R 201554.03-275822.0
20159-2758 UC 4131 2015 5 78 45.8 11.60 15.90 V R 201554.03-275822.0

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