20284+6015 A   733

 
 
20h 28m 22.73s +60 15' 20.8" P.A. 171 sep 1.1 mag 8.84,9.86 Sp A3
 
 
Coord 2000
20284+6015
Discov num
A   733
Comp
Coord arcsec 2000
20 28 22.73 +60 15 20.8
Date first
1904
Date last
2015
Obs
19
Pa first
166
Pa last
171
P.A. Now (θ)
171°
Sep first
1.2
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
8.84
Mag sec
9.86
delta mag (ΔM)
1.02
Spectral class
A3 (white)
Pri motion ra
-012
Sec motion ra
-012
Pri motion dec
-023
Sec motion dec
-023
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
170.9
Precise sep
1.066
Constellation
Cepheus
SAO
18880
Tycho2
4233-02116-1
Gaia DR2
41811246976
HD
195461
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20284+6015 A 733 2005 16 170 1.1 8.84 9.86 A3 202822.73+601520.8
20284+6015 A 733 2008 18 170 1.0 8.84 9.86 A3 202822.73+601520.8
20284+6015 A 733 2015 19 171 1.1 8.84 9.86 A3 202822.73+601520.8

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