20259+4019 ALI1142

 
 
20h 25m 54.02s +40 18' 40.5" P.A. 56 sep 12.1 mag 12.10,12.30
 
 
Coord 2000
20259+4019
Discov num
ALI1142
Comp
Coord arcsec 2000
20 25 54.02 +40 18 40.5
Date first
1928
Date last
2015
Obs
9
Pa first
71
Pa last
56
P.A. Now (θ)
56°
Sep first
11.2
Sep last
12.1
Sep. Now (ρ)
12.1"
Mag pri
12.10
Mag sec
12.30
delta mag (ΔM)
0.2
Spectral class
Pri motion ra
-009
Sec motion ra
-004
Pri motion dec
-018
Sec motion dec
+005
Notes
rPM=1.17
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
55.9
Precise sep
12.079
Constellation
Cygnus
Gaia DR2
52392592896
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20259+4019 ALI1142 1998 2 57 11.9 12.50 13.10 D 202554.02+401840.5
20259+4019 ALI1142 2002 3 57 11.9 12.50 13.10 D 202554.02+401840.5
20259+4019 ALI1142 2010 4 57 11.9 12.10 12.30 202554.02+401840.5
20259+4019 ALI1142 2015 5 56 12.1 12.10 12.30 202554.02+401840.5

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