18206+3150 BRT2291

 
 
18h 20m 40.30s +31 49' 24.8" P.A. 147 sep 2.7 mag 11.42,12.18
 
 
Coord 2000
18206+3150
Discov num
BRT2291
Comp
Coord arcsec 2000
18 20 40.30 +31 49 24.8
Date first
1936
Date last
2015
Obs
5
Pa first
145
Pa last
147
P.A. Now (θ)
147°
Sep first
2.5
Sep last
2.7
Sep. Now (ρ)
2.7"
Mag pri
11.42
Mag sec
12.18
delta mag (ΔM)
0.76
Spectral class
Pri motion ra
-013
Sec motion ra
-013
Pri motion dec
+052
Sec motion dec
+052
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
147.1
Precise sep
2.74
Constellation
Lyra
Tycho2
2623-00284-1
Gaia DR2
67214821248
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18206+3150 BRT2291 2002 4 148 2.7 11.42 12.18 182040.30+314924.8
18206+3150 BRT2291 2015 5 147 2.7 11.42 12.18 182040.30+314924.8

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