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 dist. 198.02 pc (645.94 l.y.)
 
 
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
Constellation
Delphinus
HIP
100712
Tycho2
0509-00139-1
Gaia DR2
55247825280
HD
194388
BD
BD+07 4462
Distance
198.02
Distance ly
645.94
 
 
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

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