20251+0728 UC 4173

 
 
20h 25m 04.04s +07 28' 23.6" P.A. 359 sep 42.9 mag 7.81,14.21 Sp F0
 
 
Coord 2000
20251+0728
Discov num
UC 4173
Comp
Coord arcsec 2000
20 25 04.04 +07 28 23.6
Date first
2000
Date last
2015
Obs
4
Pa first
358
Pa last
359
P.A. Now (θ)
359°
Sep first
42.5
Sep last
42.9
Sep. Now (ρ)
42.9"
Mag pri
7.81
Mag sec
14.21
delta mag (ΔM)
6.4
Spectral class
F0 (yellow-white)
Pri motion ra
-030
Sec motion ra
-050
Pri motion dec
-040
Sec motion dec
-039
Notes
V (Proper motion indicates physical)
rPM=0.316
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
358.5
Precise sep
42.868
Cdsa2 id
UC 4173
Constellation
Delphinus
Ra deg
20.41778888888889
De deg
7.473222222222223
last precise pa
358.5
last precise sep
42.868
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20251+0728 UC 4173 2000 2 358 42.5 8.70 14.20 V 202504.04+072823.6
20251+0728 UC 4173 2010 3 358 42.6 7.81 14.21 F0 V 202504.04+072823.6
20251+0728 UC 4173 2015 4 359 42.9 7.81 14.21 F0 V 202504.04+072823.6

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