20064+3147 GYL  31

 
 
20h 06m 25.14s +31 47' 35.3" P.A. 180 sep 68.2 mag 11.15,11.94
 
 
Coord 2000
20064+3147
Discov num
GYL  31
Comp
Coord arcsec 2000
20 06 25.14 +31 47 35.3
Date first
1893
Date last
2015
Obs
13
Pa first
180
Pa last
180
P.A. Now (θ)
180°
Sep first
68.3
Sep last
68.2
Sep. Now (ρ)
68.2"
Mag pri
11.15
Mag sec
11.94
delta mag (ΔM)
0.79
Spectral class
Pri motion ra
+014
Sec motion ra
+005
Pri motion dec
+012
Sec motion dec
+010
Notes
rPM=0.5
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
180.4
Precise sep
68.226
Constellation
Cygnus
SAO
69411
Tycho2
2671-00217-1
Gaia DR2
64700630656
HD
331851
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20064+3147 GYL 31 1998 6 180 68.2 11.15 11.80 D 200625.14+314735.3
20064+3147 GYL 31 2002 7 180 68.2 11.15 11.80 D 200625.14+314735.3
20064+3147 GYL 31 2010 8 181 68.1 11.15 11.94 200625.14+314735.3
20064+3147 GYL 31 2015 9 180 68.2 11.15 11.94 200625.14+314735.3

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