20025+3450 SEI 812

 
 
20h 02m 37.78s +34 52' 43.7" P.A. 156 sep 6.9 mag 10.91,15.30 Sp G5III
 
 
Coord 2000
20025+3450
Discov num
SEI 812
Comp
Coord arcsec 2000
20 02 37.78 +34 52 43.7
Date first
1894
Date last
2015
Obs
8
Pa first
154
Pa last
156
P.A. Now (θ)
156°
Sep first
9.8
Sep last
6.9
Sep. Now (ρ)
6.9"
Mag pri
10.91
Mag sec
15.30
delta mag (ΔM)
4.39
Spectral class
G5III (yellow)
Pri motion ra
+006
Sec motion ra
+020
Pri motion dec
+011
Sec motion dec
+001
Notes
rPM=0.859
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
155.5
Precise sep
6.901
Constellation
Cygnus
SAO
69304
Tycho2
2678-01211-1
Gaia DR2
02578736640
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20025+3450 SEI 812 1894 1 154 9.8 11.00 11.00 N 200230.59+344937.9
20025+3450 SEI 812 2000 3 156 6.7 10.91 15.30 G5III 200237.78+345243.7
20025+3450 SEI 812 2002 4 156 6.8 10.91 15.30 G5III 200237.78+345243.7
20025+3450 SEI 812 2015 4 156 6.8 10.91 15.30 G5III 200237.78+345243.7

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