13409+3211 ES 2473

 
 
13h 40m 53.45s +32 11' 01.0" P.A. 103.00 sep 3.5 mag 13.30,13.40
 
 
Coord 2000
13409+3211
Discov num
ES 2473
Comp
Coord arcsec 2000
13 40 53.45 +32 11 01.0
Date first
1931
Date last
2017
Obs
6
Pa first
133
Pa last
103
P.A. Now (θ)
103°
Sep first
6.3
Sep last
3.5
Sep. Now (ρ)
3.5"
Mag pri
13.30
Mag sec
13.40
delta mag (ΔM)
0.1
Spectral class
Pri motion ra
-034
Sec motion ra
-010
Pri motion dec
-008
Sec motion dec
-004
Notes
R (Red magnitudes)
Visually invisible, K-band or other infrared star rPM=0.697
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
102.7
Precise sep
3.542
Constellation
Canes Venatici
Gaia DR2
97426947200
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13409+3211 ES 2473 1998 2 79 8.2 12.63 14.00 D 134053.45+321101.0
13409+3211 ES 2473 2002 3 109 3.8 13.30 13.40 R 134053.45+321101.0
13409+3211 ES 2473 2013 4 105 3.6 13.30 13.40 R 134053.45+321101.0
13409+3211 ES 2473 2017 5 103 3.5 13.30 13.40 R 134053.45+321101.0

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