20032+3112 BRT 275

 
 
20h 03m 07.98s +31 11' 22.9" P.A. 31 sep 4.2 mag 12.78,13.10
 
 
Coord 2000
20032+3112
Discov num
BRT 275
Comp
Coord arcsec 2000
20 03 07.98 +31 11 22.9
Date first
1902
Date last
2015
Obs
5
Pa first
31
Pa last
31
P.A. Now (θ)
31°
Sep first
3.5
Sep last
4.2
Sep. Now (ρ)
4.2"
Mag pri
12.78
Mag sec
13.10
delta mag (ΔM)
0.32
Spectral class
Pri motion ra
-017
Sec motion ra
-012
Pri motion dec
+008
Sec motion dec
+022
Notes
B (Blue magnitudes)
rPM=0.593
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
31.4
Precise sep
4.203
Constellation
Cygnus
Gaia DR2
18477147648
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20032+3112 BRT 275 1998 2 32 4.2 12.78 13.10 DB 200308.09+311121.1
20032+3112 BRT 275 2002 3 31 4.2 12.78 13.10 DB 200308.09+311121.1
20032+3112 BRT 275 2010 4 31 3.7 12.78 13.10 B 200308.09+311121.1
20032+3112 BRT 275 2015 5 31 4.2 12.78 13.10 B 200307.98+311122.9

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