20189+1113 HJ 1498

 
 
20h 18m 53.72s +11 13' 21.0" P.A. 218 sep 17.4 mag 11.81,12.80
 
 
Coord 2000
20189+1113
Discov num
HJ 1498
Comp
Coord arcsec 2000
20 18 53.72 +11 13 21.0
Date first
1828
Date last
2015
Obs
13
Pa first
209
Pa last
218
P.A. Now (θ)
218°
Sep first
10.0
Sep last
17.4
Sep. Now (ρ)
17.4"
Mag pri
11.81
Mag sec
12.80
delta mag (ΔM)
0.99
Spectral class
Pri motion ra
+015
Sec motion ra
-010
Pri motion dec
+003
Sec motion dec
-010
Notes
rPM=1.842
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
218.2
Precise sep
17.424
Constellation
Delphinus
Tycho2
1078-00649-1
Gaia DR2
78150908288
HD
357242
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20189+1113 HJ 1498 2000 6 218 17.1 11.81 12.80 D 201853.72+111321.0
20189+1113 HJ 1498 2001 8 218 17.1 11.81 12.80 D 201853.72+111321.0
20189+1113 HJ 1498 2010 9 218 17.2 11.81 12.80 201853.72+111321.0
20189+1113 HJ 1498 2015 10 218 17.4 11.81 12.80 201853.72+111321.0

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