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
Constellation
Draco
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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