20057+5925 HJ 2934AB

 
 
20h 05m 43.12s +59 24' 56.5" P.A. 311 sep 9.7 mag 9.92,12.90 Sp K0
 
 
Coord 2000
20057+5925
Discov num
HJ 2934
Comp
AB
Coord arcsec 2000
20 05 43.12 +59 24 56.5
Date first
1831
Date last
2016
Obs
11
Pa first
318
Pa last
311
P.A. Now (θ)
311°
Sep first
3.0
Sep last
9.7
Sep. Now (ρ)
9.7"
Mag pri
9.92
Mag sec
12.90
delta mag (ΔM)
2.98
Spectral class
K0 (yellow-orange)
Pri motion ra
+000
Sec motion ra
Pri motion dec
-006
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
20057+5925 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20057+5925 HJ 2934 AB 1831 2016 11 311 9.7 9.92 12.90 2.98 <===
Show 20057+5925 HJ 2934 CA 1898 2016 16 264 36.6 9.71 9.92 0.21
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
310.9
Precise sep
9.746
Constellation
Cygnus
Tycho2
3948-01935-1
Gaia DR2
28210429696
HD
239323
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20057+5925 HJ 2934 AB 1925 3 313 9.6 9.92 12.90 K0 N 200543.12+592456.5
20057+5925 HJ 2934 AB 2003 4 311 9.7 9.92 12.90 K0 N 200543.12+592456.5
20057+5925 HJ 2934 AB 2015 5 311 9.7 9.92 12.90 K0 N 200543.12+592456.5
20057+5925 HJ 2934 AB 2016 6 311 9.7 9.92 12.90 K0 N 200543.12+592456.5

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