14521+2017 HO  389

 
 
14h 52m 07.44s +20 17' 26.5" P.A. 88 sep 1.6 mag 6.96,10.49 Sp A0 dist. 109.17 pc (356.11 l.y.)
 
 
Coord 2000
14521+2017
Discov num
HO  389
Comp
Coord arcsec 2000
14 52 07.44 +20 17 26.5
Date first
1892
Date last
2010
Obs
35
Pa first
101
Pa last
88
P.A. Now (θ)
88°
Sep first
1.1
Sep last
1.6
Sep. Now (ρ)
1.6"
Mag pri
6.96
Mag sec
10.49
delta mag (ΔM)
3.53
Spectral class
A0 (white)
Pri motion ra
+012
Sec motion ra
+010
Pri motion dec
+000
Sec motion dec
+000
Notes
rPM=0.167 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.6
Precise sep
1.559
Constellation
Bootes
SAO
83560
HIP
72725
Tycho2
1484-00032-1
HD
131265
BD
BD+20 3032
Distance
109.17
Distance ly
356.11
last precise pa
87.6
last precise sep
1.559
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
14521+2017 HO 389 1997 34 87 1.6 6.96 10.49 A0 D 145207.44+201726.5
14521+2017 HO 389 2010 35 88 1.6 6.96 10.49 A0 D 145207.44+201726.5

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