20287+3423 COU1957

 
 
20h 28m 43.69s +34 23' 17.1" P.A. 86 sep 1.2 mag 9.04,11.95 Sp K0 dist. 649.35 pc (2118.18 l.y.)
 
 
Coord 2000
20287+3423
Discov num
COU1957
Comp
Coord arcsec 2000
20 28 43.69 +34 23 17.1
Date first
1980
Date last
1996
Obs
4
Pa first
89
Pa last
86
P.A. Now (θ)
86°
Sep first
1.1
Sep last
1.2
Sep. Now (ρ)
1.2"
Mag pri
9.04
Mag sec
11.95
delta mag (ΔM)
2.91
Spectral class
K0 (yellow-orange)
Pri motion ra
+004
Sec motion ra
+006
Pri motion dec
-004
Sec motion dec
-003
Notes
rPM=0.333
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
86.2
Precise sep
1.16
Constellation
Cygnus
SAO
70083
HIP
101012
Tycho2
2693-00691-1
Gaia DR2
69531913728
BD
BD+33 3917
Distance
649.35
Distance ly
2118.18
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20287+3423 COU1957 1996 4 86 1.2 9.04 11.95 K0 202843.69+342317.1

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