20039+4321 ES 1437

 
 
20h 03m 57.40s +43 20' 55.1" P.A. 261 sep 4.7 mag 10.48,13.00
 
 
Coord 2000
20039+4321
Discov num
ES 1437
Comp
Coord arcsec 2000
20 03 57.40 +43 20 55.1
Date first
1915
Date last
2015
Obs
7
Pa first
267
Pa last
261
P.A. Now (θ)
261°
Sep first
4.2
Sep last
4.7
Sep. Now (ρ)
4.7"
Mag pri
10.48
Mag sec
13.00
delta mag (ΔM)
2.52
Spectral class
Pri motion ra
+018
Sec motion ra
Pri motion dec
+005
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
260.7
Precise sep
4.73
Constellation
Cygnus
Tycho2
3162-01426-1
Gaia DR2
54744237696
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20039+4321 ES 1437 2007 5 263 4.8 10.48 13.00 D 200357.40+432055.1
20039+4321 ES 1437 2015 7 261 4.7 10.48 13.00 200357.40+432055.1

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