20253+0355 UC 4175

 
 
20h 25m 16.90s +03 55' 09.5" P.A. 87 sep 20.5 mag 14.30,15.80
 
 
Coord 2000
20253+0355
Discov num
UC 4175
Comp
Coord arcsec 2000
20 25 16.90 +03 55 09.5
Date first
2000
Date last
2015
Obs
5
Pa first
87
Pa last
87
P.A. Now (θ)
87°
Sep first
20.7
Sep last
20.5
Sep. Now (ρ)
20.5"
Mag pri
14.30
Mag sec
15.80
delta mag (ΔM)
1.5
Spectral class
Pri motion ra
+054
Sec motion ra
+054
Pri motion dec
-025
Sec motion dec
-037
Notes
V R (Proper motion indicates physical, Red magnitudes)
rPM=0.183 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87
Precise sep
20.499
Constellation
Delphinus
last precise pa
87
last precise sep
20.499
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20253+0355 UC 4175 2000 2 87 20.7 14.30 15.80 V 202516.90+035509.5
20253+0355 UC 4175 2013 3 87 20.5 14.30 15.80 V R 202516.90+035509.5
20253+0355 UC 4175 2015 5 87 20.5 14.30 15.80 V R 202516.90+035509.5

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