20011+3940 BRT2228

 
 
20h 00m 49.30s +39 39' 02.7" P.A. 265 sep 4.3 mag 12.99,13.22
 
 
Coord 2000
20011+3940
Discov num
BRT2228
Comp
Coord arcsec 2000
20 00 49.30 +39 39 02.7
Date first
1928
Date last
2018
Obs
6
Pa first
256
Pa last
265
P.A. Now (θ)
265°
Sep first
4.9
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
12.99
Mag sec
13.22
delta mag (ΔM)
0.23
Spectral class
Pri motion ra
+002
Sec motion ra
Pri motion dec
-000
Sec motion dec
Notes
B (Blue magnitudes)
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264.9
Precise sep
4.282
Constellation
Cygnus
Gaia DR2
61663507712
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20011+3940 BRT2228 1928 2 257 4.9 12.99 13.22 B 200108.98+393844.8
20011+3940 BRT2228 2002 5 264 4.1 12.99 13.22 B 200049.30+393902.7
20011+3940 BRT2228 2015 6 265 4.3 12.99 13.22 B 200049.30+393902.7

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