20217+3112 BRT 279

 
 
20h 21m 43.07s +31 13' 20.2" P.A. 125 sep 3.8 mag 12.05,13.05
 
 
Coord 2000
20217+3112
Discov num
BRT 279
Comp
Coord arcsec 2000
20 21 43.07 +31 13 20.2
Date first
1900
Date last
2015
Obs
4
Pa first
135
Pa last
125
P.A. Now (θ)
125°
Sep first
3.8
Sep last
3.8
Sep. Now (ρ)
3.8"
Mag pri
12.05
Mag sec
13.05
delta mag (ΔM)
1
Spectral class
Pri motion ra
-001
Sec motion ra
+014
Pri motion dec
+012
Sec motion dec
+008
Notes
B (Blue magnitudes)
rPM=0.963
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
125.4
Precise sep
3.76
Constellation
Cygnus
Gaia DR2
35404377984
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20217+3112 BRT 279 1998 2 125 3.7 12.05 13.05 DB 202143.07+311320.2
20217+3112 BRT 279 2002 3 126 3.7 12.05 13.05 DB 202143.07+311320.2
20217+3112 BRT 279 2015 4 125 3.8 12.05 13.05 B 202143.07+311320.2

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