20353+0239 HJ 2981

 
 
20h 35m 18.18s +02 38' 59.7" P.A. 5 sep 12.9 mag 11.02,12.86
 
 
Coord 2000
20353+0239
Discov num
HJ 2981
Comp
Coord arcsec 2000
20 35 18.18 +02 38 59.7
Date first
1830
Date last
2015
Obs
8
Pa first
8
Pa last
5
P.A. Now (θ)
Sep first
6.0
Sep last
12.9
Sep. Now (ρ)
12.9"
Mag pri
11.02
Mag sec
12.86
delta mag (ΔM)
1.84
Spectral class
Pri motion ra
+011
Sec motion ra
-017
Pri motion dec
+021
Sec motion dec
-002
Notes
rPM=1.528
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
4.9
Precise sep
12.864
Constellation
Delphinus
Tycho2
0514-01872-1
Gaia DR2
63745406592
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20353+0239 HJ 2981 2006 3 5 12.8 11.02 12.60 D 203518.18+023859.7
20353+0239 HJ 2981 2010 5 4 12.6 11.02 12.86 203518.18+023859.7
20353+0239 HJ 2981 2015 6 5 12.9 11.02 12.86 203518.18+023859.7

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