20190+4316 WFC 231

 
 
20h 19m 01.64s +43 16' 08.5" P.A. 331 sep 7.4 mag 11.10,11.13
 
 
Coord 2000
20190+4316
Discov num
WFC 231
Comp
Coord arcsec 2000
20 19 01.64 +43 16 08.5
Date first
1892
Date last
2015
Obs
12
Pa first
326
Pa last
331
P.A. Now (θ)
331°
Sep first
7.0
Sep last
7.4
Sep. Now (ρ)
7.4"
Mag pri
11.10
Mag sec
11.13
delta mag (ΔM)
0.03
Spectral class
Pri motion ra
+006
Sec motion ra
+001
Pri motion dec
-001
Sec motion dec
+004
Notes
rPM=1.162
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
331.1
Precise sep
7.395
Constellation
Cygnus
Tycho2
3163-00082-2
Gaia DR2
12304135680
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20190+4316 WFC 231 2000 6 331 7.4 11.10 11.13 D 201901.64+431608.5
20190+4316 WFC 231 2003 7 331 7.4 11.10 11.13 D 201901.64+431608.5
20190+4316 WFC 231 2010 8 328 6.0 11.10 11.13 201901.64+431608.5
20190+4316 WFC 231 2015 8 331 7.4 11.10 11.13 201901.64+431608.5

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