20592+4257 ES 1576

 
 
20h 59m 13.15s +42 56' 46.9" P.A. 350 sep 3.7 mag 11.14,15.60 Sp A2
 
 
Coord 2000
20592+4257
Discov num
ES 1576
Comp
Coord arcsec 2000
20 59 13.15 +42 56 46.9
Date first
1916
Date last
2015
Obs
3
Pa first
7
Pa last
350
P.A. Now (θ)
350°
Sep first
4.5
Sep last
3.7
Sep. Now (ρ)
3.7"
Mag pri
11.14
Mag sec
15.60
delta mag (ΔM)
4.46
Spectral class
A2 (white)
Pri motion ra
+007
Sec motion ra
Pri motion dec
-010
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
350.3
Precise sep
3.725
Constellation
Cygnus
Tycho2
3175-00369-1
Gaia DR2
2161852894891219840
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20592+4257 ES 1576 2000 2 353 3.7 11.14 15.60 A2 D 205913.15+425646.9
20592+4257 ES 1576 2015 3 350 3.7 11.14 15.60 A2 205913.15+425646.9

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