20176+3130 SEI1066

 
 
20h 17m 34.28s +31 29' 37.4" P.A. 312 sep 8.3 mag 11.36,11.90
 
 
Coord 2000
20176+3130
Discov num
SEI1066
Comp
Coord arcsec 2000
20 17 34.28 +31 29 37.4
Date first
1893
Date last
2015
Obs
11
Pa first
314
Pa last
312
P.A. Now (θ)
312°
Sep first
8.7
Sep last
8.3
Sep. Now (ρ)
8.3"
Mag pri
11.36
Mag sec
11.90
delta mag (ΔM)
0.54
Spectral class
Pri motion ra
-005
Sec motion ra
-016
Pri motion dec
-001
Sec motion dec
-005
Notes
rPM=0.698
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
312.3
Precise sep
8.29
Constellation
Cygnus
Tycho2
2672-00973-1
Gaia DR2
05546157952
HD
332165
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+3130 SEI1066 2006 5 311 8.3 11.36 11.90 D 201734.28+312937.4
20176+3130 SEI1066 2015 7 312 8.3 11.36 11.90 201734.28+312937.4

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