20204+0118 J   555

 
 
20h 20m 21.77s +01 17' 30.6" P.A. 275 sep 2.5 mag 9.40,9.70
 
 
Coord 2000
20204+0118
Discov num
J   555
Comp
Coord arcsec 2000
20 20 21.77 +01 17 30.6
Date first
1911
Date last
2018
Obs
10
Pa first
272
Pa last
275
P.A. Now (θ)
275°
Sep first
1.9
Sep last
2.5
Sep. Now (ρ)
2.5"
Mag pri
9.40
Mag sec
9.70
delta mag (ΔM)
0.3
Spectral class
Pri motion ra
+011
Sec motion ra
-001
Pri motion dec
-006
Sec motion dec
+021
Notes
rPM=1.405
This double is not physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
275
Precise sep
2.45
Constellation
Aquila
Tycho2
0496-01463-1
Gaia DR2
34423391744
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20204+0118 J 555 2002 6 274 2.4 9.40 9.70 202021.77+011730.6
20204+0118 J 555 2017 8 275 2.5 9.40 9.70 202021.77+011730.6
20204+0118 J 555 2018 10 275 2.5 9.40 9.70 202021.77+011730.6

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