20157+7307 UC 4128

 
 
20h 15m 39.84s +73 07' 12.6" P.A. 228 sep 26.2 mag 10.50,14.50 Sp G0
 
 
Coord 2000
20157+7307
Discov num
UC 4128
Comp
Coord arcsec 2000
20 15 39.84 +73 07 12.6
Date first
2000
Date last
2015
Obs
4
Pa first
228
Pa last
228
P.A. Now (θ)
228°
Sep first
26.4
Sep last
26.2
Sep. Now (ρ)
26.2"
Mag pri
10.50
Mag sec
14.50
delta mag (ΔM)
4
Spectral class
G0 (yellow)
Pri motion ra
+026
Sec motion ra
+016
Pri motion dec
+057
Sec motion dec
+050
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.195 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
228.3
Precise sep
26.162
Cdsa2 id
UC 4128
Constellation
Draco
Ra deg
20.261066666666668
De deg
73.12016666666666
last precise pa
228.3
last precise sep
26.162
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20157+7307 UC 4128 2000 2 228 26.4 10.50 14.50 V 201539.84+730712.6
20157+7307 UC 4128 2003 2 228 26.2 10.50 14.50 V 201539.84+730712.6
20157+7307 UC 4128 2010 3 228 26.3 10.50 14.50 G0 V R 201539.84+730712.6
20157+7307 UC 4128 2015 4 228 26.2 10.50 14.50 G0 V R 201539.84+730712.6

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