20281+1654 HEI 180

 
 
20h 28m 05.28s +16 53' 44.8" P.A. 167 sep 1.1 mag 9.42,11.50 Sp F8
 
 
Coord 2000
20281+1654
Discov num
HEI 180
Comp
Coord arcsec 2000
20 28 05.28 +16 53 44.8
Date first
1981
Date last
2000
Obs
3
Pa first
172
Pa last
167
P.A. Now (θ)
167°
Sep first
1.0
Sep last
1.1
Sep. Now (ρ)
1.1"
Mag pri
9.42
Mag sec
11.50
delta mag (ΔM)
2.08
Spectral class
F8 (yellow-white)
Pri motion ra
+053
Sec motion ra
Pri motion dec
+009
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
167
Precise sep
1.09
Constellation
Delphinus
Tycho2
1636-02053-1
Gaia DR2
71694371840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20281+1654 HEI 180 1995 2 169 1.1 9.42 11.50 F8 202805.28+165344.8
20281+1654 HEI 180 2000 3 167 1.1 9.42 11.50 F8 202805.28+165344.8

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