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
Cdsa2 id
UC 4175
Constellation
Delphinus
Ra deg
20.42136111111111
De deg
3.9193055555555554
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.