20377+3112 BRT 283

 
 
20h 37m 41.67s +31 11' 42.6" P.A. 266.00 sep 4.3 mag 12.18,12.80
 
 
Coord 2000
20377+3112
Discov num
BRT 283
Comp
Coord arcsec 2000
20 37 41.67 +31 11 42.6
Date first
1900
Date last
2015
Obs
7
Pa first
264
Pa last
266
P.A. Now (θ)
266°
Sep first
3.0
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
12.18
Mag sec
12.80
delta mag (ΔM)
0.62
Spectral class
Pri motion ra
+049
Sec motion ra
Pri motion dec
-002
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
266
Precise sep
4.252
Constellation
Cygnus
Tycho2
2686-01124-1
Gaia DR2
20207656832
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20377+3112 BRT 283 1998 4 267 4.2 12.18 12.80 D 203741.67+311142.6
20377+3112 BRT 283 2002 5 266 4.3 12.18 12.80 D 203741.67+311142.6
20377+3112 BRT 283 2015 6 266 4.3 12.18 12.80 203741.67+311142.6

If you need more information about this double, apply for a data request form to the WDS.