20025+3940 BRT2251

 
 
20h 02m 32.24s +39 39' 48.8" P.A. 155 sep 4.3 mag 10.70,11.90
 
 
Coord 2000
20025+3940
Discov num
BRT2251
Comp
Coord arcsec 2000
20 02 32.24 +39 39 48.8
Date first
1892
Date last
2015
Obs
8
Pa first
144
Pa last
155
P.A. Now (θ)
155°
Sep first
4.0
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
10.70
Mag sec
11.90
delta mag (ΔM)
1.2
Spectral class
Pri motion ra
-019
Sec motion ra
-015
Pri motion dec
+029
Sec motion dec
-030
Notes
rPM=1.706
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
154.7
Precise sep
4.341
Constellation
Cygnus
Tycho2
3154-01062-1
Gaia DR2
96283717632
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20025+3940 BRT2251 2007 4 151 4.2 9.30 10.50 D 200232.24+393948.8
20025+3940 BRT2251 2011 7 154 4.3 9.30 10.50 200232.24+393948.8
20025+3940 BRT2251 2015 8 155 4.3 10.70 11.90 200232.24+393948.8

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