20176+4020 BRT2259

 
 
20h 17m 31.05s +40 19' 21.4" P.A. 29 sep 1.4 mag 10.60,10.80 Sp A
 
 
Coord 2000
20176+4020
Discov num
BRT2259
Comp
Coord arcsec 2000
20 17 31.05 +40 19 21.4
Date first
1938
Date last
2015
Obs
3
Pa first
34
Pa last
29
P.A. Now (θ)
29°
Sep first
2.1
Sep last
1.4
Sep. Now (ρ)
1.4"
Mag pri
10.60
Mag sec
10.80
delta mag (ΔM)
0.2
Spectral class
A (white)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-004
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
29.2
Precise sep
1.385
Constellation
Cygnus
Gaia DR2
17392519296
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20176+4020 BRT2259 1975 2 32 1.8 10.60 10.80 201710.00+402000.0
20176+4020 BRT2259 2015 3 29 1.4 10.60 10.80 A 201731.05+401921.4

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