20099+4618 BRT2255

 
 
20h 09m 51.60s +46 17' 59.8" P.A. 247 sep 5.2 mag 11.33,12.20
 
 
Coord 2000
20099+4618
Discov num
BRT2255
Comp
Coord arcsec 2000
20 09 51.60 +46 17 59.8
Date first
1892
Date last
2015
Obs
10
Pa first
242
Pa last
247
P.A. Now (θ)
247°
Sep first
4.8
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
11.33
Mag sec
12.20
delta mag (ΔM)
0.87
Spectral class
Pri motion ra
+003
Sec motion ra
-004
Pri motion dec
-007
Sec motion dec
-007
Notes
rPM=0.868
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
247.2
Precise sep
5.156
Constellation
Cygnus
Tycho2
3559-01431-1
Gaia DR2
42373883648
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20099+4618 BRT2255 2006 4 251 5.3 11.33 12.20 D 200951.60+461759.8
20099+4618 BRT2255 2015 6 247 5.2 11.33 12.20 200951.60+461759.8

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