20187+4113 COU2640

 
 
20h 18m 42.32s +41 13' 31.1" P.A. 265 sep 0.5 mag 10.72,10.71 Sp G5
 
 
Coord 2000
20187+4113
Discov num
COU2640
Comp
Coord arcsec 2000
20 18 42.32 +41 13 31.1
Date first
1991
Date last
2010
Obs
4
Pa first
262
Pa last
265
P.A. Now (θ)
265°
Sep first
0.4
Sep last
0.5
Sep. Now (ρ)
0.5"
Mag pri
10.72
Mag sec
10.71
delta mag (ΔM)
0.01
Spectral class
G5 (yellow)
Pri motion ra
+005
Sec motion ra
+005
Pri motion dec
+002
Sec motion dec
+002
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
265
Precise sep
0.528
Constellation
Cygnus
Tycho2
3155-00011-1
Gaia DR2
95768144256
HD
228864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20187+4113 COU2640 1991 2 262 0.5 10.72 10.71 201842.32+411331.1
20187+4113 COU2640 2010 4 265 0.5 10.72 10.71 201842.32+411331.1

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