20016+7027 A   865

 
 
20h 01m 34.00s +70 27' 16.2" P.A. 88 sep 2.6 mag 8.28,10.32 Sp B9
 
 
Coord 2000
20016+7027
Discov num
A   865
Comp
Coord arcsec 2000
20 01 34.00 +70 27 16.2
Date first
1904
Date last
2011
Obs
16
Pa first
86
Pa last
88
P.A. Now (θ)
88°
Sep first
2.5
Sep last
2.6
Sep. Now (ρ)
2.6"
Mag pri
8.28
Mag sec
10.32
delta mag (ΔM)
2.04
Spectral class
B9 (blue-white)
Pri motion ra
+002
Sec motion ra
+012
Pri motion dec
+011
Sec motion dec
+010
Notes
rPM=0.643
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
87.5
Precise sep
2.609
Cdsa2 id
A 865
Constellation
Draco
Tycho2
4450-00807-1
HD
190833
Ra deg
20.02611111111111
De deg
70.4545
last precise pa
87.5
last precise sep
2.609
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20016+7027 A 865 2002 14 88 2.8 8.28 10.32 B9 200134.00+702716.2
20016+7027 A 865 2003 15 88 2.6 8.28 10.32 B9 200134.00+702716.2
20016+7027 A 865 2011 16 88 2.6 8.28 10.32 B9 200134.00+702716.2

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