20399+3703 ES  248AB

 
 
20h 39m 53.25s +37 03' 23.6" P.A. 3.00 sep 4.3 mag 10.41,14.40
 
 
Coord 2000
20399+3703
Discov num
ES  248
Comp
AB
Coord arcsec 2000
20 39 53.25 +37 03 23.6
Date first
1905
Date last
2015
Obs
3
Pa first
2
Pa last
3
P.A. Now (θ)
Sep first
5.5
Sep last
4.3
Sep. Now (ρ)
4.3"
Mag pri
10.41
Mag sec
14.40
delta mag (ΔM)
3.99
Spectral class
Pri motion ra
-001
Sec motion ra
Pri motion dec
-011
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
20399+3703 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20399+3703 ES 248 AB 1905 2015 3 3 4.3 10.41 14.40 3.99 <===
Show 20399+3703 ES 248 AC 1905 2015 4 66 10.6 10.41 14.70 4.29
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
3.2
Precise sep
4.284
Constellation
Cygnus
Tycho2
2698-00887-1
Gaia DR2
23161236864
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20399+3703 ES 248 AB 1998 2 4 4.3 10.41 14.40 D 203953.25+370323.6
20399+3703 ES 248 AB 2015 3 3 4.3 10.41 14.40 203953.25+370323.6

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