20143+3657 A  1420

 
 
20h 14m 19.78s +36 56' 39.3" P.A. 70.00 sep 0.6 mag 9.93,9.78 Sp B8III
 
 
Coord 2000
20143+3657
Discov num
A  1420
Comp
Coord arcsec 2000
20 14 19.78 +36 56 39.3
Date first
1906
Date last
2016
Obs
17
Pa first
80
Pa last
70
P.A. Now (θ)
70°
Sep first
0.5
Sep last
0.6
Sep. Now (ρ)
0.6"
Mag pri
9.93
Mag sec
9.78
delta mag (ΔM)
0.15
Spectral class
B8III (blue-white)
Pri motion ra
+000
Sec motion ra
+000
Pri motion dec
-003
Sec motion dec
-003
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
70.2
Precise sep
0.64
Constellation
Cygnus
SAO
69669
Tycho2
2683-00743-1
Gaia DR2
37790588800
HD
228486
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20143+3657 A 1420 2001 13 73 0.5 9.93 9.78 B8III 201419.78+365639.3
20143+3657 A 1420 2008 15 68 0.6 9.93 9.78 B8III 201419.78+365639.3
20143+3657 A 1420 2016 16 70 0.6 9.93 9.78 B8III 201419.78+365639.3

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