20188+0305 UC 4144

 
 
20h 18m 50.31s +03 04' 43.9" P.A. 347 sep 30.8 mag 15.50,15.70
 
 
Coord 2000
20188+0305
Discov num
UC 4144
Comp
Coord arcsec 2000
20 18 50.31 +03 04 43.9
Date first
2000
Date last
2015
Obs
4
Pa first
348
Pa last
347
P.A. Now (θ)
347°
Sep first
30.5
Sep last
30.8
Sep. Now (ρ)
30.8"
Mag pri
15.50
Mag sec
15.70
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
+008
Sec motion ra
+011
Pri motion dec
+080
Sec motion dec
+074
Notes
U R (Proper motion indicates non-physical, Red magnitudes)
rPM=0.083 (< 0.3, Physical double)
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
347.1
Precise sep
30.791
Constellation
Aquila
last precise pa
347.1
last precise sep
30.791
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20188+0305 UC 4144 2000 2 348 30.5 15.50 15.70 V 201850.31+030443.9
20188+0305 UC 4144 2010 3 347 30.6 15.50 15.70 V R 201850.31+030443.9
20188+0305 UC 4144 2015 4 347 30.8 15.50 15.70 U R 201850.31+030443.9

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