20434+1512 UC 4270

 
 
20h 43m 21.31s +15 11' 45.0" P.A. 3 sep 52.2 mag 8.70,14.91 Sp F5 dist. 94.61 pc (308.62 l.y.)
 
 
Coord 2000
20434+1512
Discov num
UC 4270
Comp
Coord arcsec 2000
20 43 21.31 +15 11 45.0
Date first
1998
Date last
2010
Obs
3
Pa first
3
Pa last
3
P.A. Now (θ)
Sep first
52.1
Sep last
52.2
Sep. Now (ρ)
52.2"
Mag pri
8.70
Mag sec
14.91
delta mag (ΔM)
6.21
Spectral class
F5 (yellow-white)
Pri motion ra
+053
Sec motion ra
+073
Pri motion dec
-011
Sec motion dec
+015
Notes
V (Proper motion indicates physical)
rPM=0.44
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
2.7
Precise sep
52.23
Constellation
Delphinus
SAO
106424
HIP
102273
Tycho2
1634-00091-1
BD
BD+14 4402
Distance
94.61
Distance ly
308.62
last precise pa
2.7
last precise sep
52.23
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20434+1512 UC 4270 2000 2 3 52.1 8.70 14.90 V 204321.31+151145.0
20434+1512 UC 4270 2001 2 3 51.9 8.70 14.90 V 204321.31+151145.0
20434+1512 UC 4270 2010 3 2 52.2 8.70 14.91 F5 V 204321.31+151145.0

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