20219+4257 BRT2262

 
 
20h 21m 54.21s +42 57' 13.3" P.A. 129 sep 2.5 mag 11.90,12.12
 
 
Coord 2000
20219+4257
Discov num
BRT2262
Comp
Coord arcsec 2000
20 21 54.21 +42 57 13.3
Date first
1892
Date last
2015
Obs
4
Pa first
119
Pa last
129
P.A. Now (θ)
129°
Sep first
2.1
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
11.90
Mag sec
12.12
delta mag (ΔM)
0.22
Spectral class
Pri motion ra
+008
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
129.1
Precise sep
2.54
Constellation
Cygnus
Tycho2
3160-00944-1
Gaia DR2
01419337600
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20219+4257 BRT2262 1991 3 132 2.5 11.90 12.12 202154.21+425713.3
20219+4257 BRT2262 2015 4 129 2.5 11.90 12.12 202154.21+425713.3

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