20181+1519 CHE 290

 
 
20h 18m 08.16s +15 18' 17.4" P.A. 153 sep 10.1 mag 11.29,12.68
 
 
Coord 2000
20181+1519
Discov num
CHE 290
Comp
Coord arcsec 2000
20 18 08.16 +15 18 17.4
Date first
1910
Date last
2015
Obs
11
Pa first
149
Pa last
153
P.A. Now (θ)
153°
Sep first
9.4
Sep last
10.1
Sep. Now (ρ)
10.1"
Mag pri
11.29
Mag sec
12.68
delta mag (ΔM)
1.39
Spectral class
Pri motion ra
+002
Sec motion ra
+023
Pri motion dec
+013
Sec motion dec
+007
Notes
N (See Notes)
rPM=0.908
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
153.4
Precise sep
10.139
Constellation
Delphinus
SAO
105936
Tycho2
1631-00654-1
Gaia DR2
17209679104
HD
355390
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20181+1519 CHE 290 2006 5 159 9.6 9.66 10.06 N D 201808.11+151816.2
20181+1519 CHE 290 2008 4 154 10.1 11.29 12.68 N D 201808.16+151817.4
20181+1519 CHE 290 2015 7 153 10.1 11.29 12.68 N 201808.16+151817.4

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