20309+3459 SEI1145

 
 
20h 30m 52.56s +34 59' 15.1" P.A. 88 sep 7.7 mag 10.50,10.50
 
 
Coord 2000
20309+3459
Discov num
SEI1145
Comp
Coord arcsec 2000
20 30 52.56 +34 59 15.1
Date first
1896
Date last
2015
Obs
10
Pa first
88
Pa last
88
P.A. Now (θ)
88°
Sep first
7.7
Sep last
7.7
Sep. Now (ρ)
7.7"
Mag pri
10.50
Mag sec
10.50
delta mag (ΔM)
0
Spectral class
Pri motion ra
-004
Sec motion ra
-002
Pri motion dec
-003
Sec motion dec
-003
Notes
rPM=0.4
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
88.1
Precise sep
7.741
Constellation
Cygnus
Gaia DR2
33744299136
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20309+3459 SEI1145 1999 4 88 7.7 10.50 10.50 D 203052.56+345915.1
20309+3459 SEI1145 2002 5 88 7.7 10.50 10.50 D 203052.56+345915.1
20309+3459 SEI1145 2015 6 88 7.7 10.50 10.50 203052.56+345915.1

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