20237+4442 ES 1330

 
 
20h 23m 44.08s +44 43' 25.3" P.A. 309 sep 3.6 mag 10.43,12.20
 
 
Coord 2000
20237+4442
Discov num
ES 1330
Comp
Coord arcsec 2000
20 23 44.08 +44 43 25.3
Date first
1914
Date last
2015
Obs
4
Pa first
310
Pa last
309
P.A. Now (θ)
309°
Sep first
3.8
Sep last
3.6
Sep. Now (ρ)
3.6"
Mag pri
10.43
Mag sec
12.20
delta mag (ΔM)
1.77
Spectral class
Pri motion ra
+007
Sec motion ra
Pri motion dec
+006
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
309.4
Precise sep
3.598
Constellation
Cygnus
Tycho2
3164-00645-1
Gaia DR2
09913091328
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20237+4442 ES 1330 1998 2 310 3.7 10.43 12.20 D 202344.08+444325.3
20237+4442 ES 1330 2003 3 309 3.6 10.43 12.20 D 202344.08+444325.3
20237+4442 ES 1330 2015 4 309 3.6 10.43 12.20 202344.08+444325.3

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