20309+0400 BAL2538

 
 
20h 30m 53.46s +03 59' 59.2" P.A. 202 sep 10.8 mag 11.11,12.80
 
 
Coord 2000
20309+0400
Discov num
BAL2538
Comp
Coord arcsec 2000
20 30 53.46 +03 59 59.2
Date first
1910
Date last
2014
Obs
9
Pa first
202
Pa last
202
P.A. Now (θ)
202°
Sep first
10.7
Sep last
10.8
Sep. Now (ρ)
10.8"
Mag pri
11.11
Mag sec
12.80
delta mag (ΔM)
1.69
Spectral class
Pri motion ra
-001
Sec motion ra
-009
Pri motion dec
-014
Sec motion dec
-014
Notes
rPM=0.481
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
201.6
Precise sep
10.819
Constellation
Delphinus
Tycho2
0518-01514-1
Gaia DR2
07035954944
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20309+0400 BAL2538 2006 3 202 10.8 11.11 12.80 D 203053.46+035959.2
20309+0400 BAL2538 2010 6 202 10.8 11.11 12.80 203053.46+035959.2
20309+0400 BAL2538 2014 9 202 10.8 11.11 12.80 203053.46+035959.2

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