20041+3419 SEI 834

 
 
20h 04m 04.88s +34 18' 53.6" P.A. 135 sep 21.9 mag 7.71,11.60 Sp G5II dist. 236.41 pc (771.17 l.y.)
 
 
Coord 2000
20041+3419
Discov num
SEI 834
Comp
Coord arcsec 2000
20 04 04.88 +34 18 53.6
Date first
1894
Date last
2015
Obs
9
Pa first
155
Pa last
135
P.A. Now (θ)
135°
Sep first
24.4
Sep last
21.9
Sep. Now (ρ)
21.9"
Mag pri
7.71
Mag sec
11.60
delta mag (ΔM)
3.89
Spectral class
G5II (yellow)
Pri motion ra
-037
Sec motion ra
+001
Pri motion dec
-055
Sec motion dec
-006
Notes
rPM=0.935
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
134.7
Precise sep
21.857
Constellation
Cygnus
SAO
69341
HIP
98817
Tycho2
2678-02493-1
Gaia DR2
68042687104
HD
190536
BD
BD+33 3714
Distance
236.41
Distance ly
771.17
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20041+3419 SEI 834 1998 3 138 22.1 7.71 11.60 G5II D 200404.88+341853.6
20041+3419 SEI 834 2002 4 137 21.9 7.71 11.60 G5II D 200404.88+341853.6
20041+3419 SEI 834 2015 5 135 21.9 7.71 11.60 G5II 200404.88+341853.6

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