02289+7721 HJ 2129

 
 
02h 28m 57.37s +77 19' 18.2" P.A. 156 sep 17.3 mag 9.92,12.70
 
 
Coord 2000
02289+7721
Discov num
HJ 2129
Comp
Coord arcsec 2000
02 28 57.37 +77 19 18.2
Date first
1831
Date last
2003
Obs
6
Pa first
159
Pa last
156
P.A. Now (θ)
156°
Sep first
10.0
Sep last
17.3
Sep. Now (ρ)
17.3"
Mag pri
9.92
Mag sec
12.70
delta mag (ΔM)
2.78
Spectral class
Pri motion ra
-006
Sec motion ra
+009
Pri motion dec
+003
Sec motion dec
+001
Notes
rPM=1.671
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.5
Precise sep
17.304
Constellation
Cassiopeia
Tycho2
4499-00880-1
last precise pa
155.5
last precise sep
17.304
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
02289+7721 HJ 2129 1999 5 156 17.3 9.92 12.70 D 022857.37+771918.2
02289+7721 HJ 2129 2003 6 156 17.3 9.92 12.70 D 022857.37+771918.2
02289+7721 HJ 2129 2010 7 154 16.6 9.92 12.70 022857.37+771918.2

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