20368+1444 STF2703AC

 
 
20h 36m 49.41s +14 43' 42.4" P.A. 234 sep 77.8 mag 8.35,8.76 Sp A5 dist. 440.53 pc (1437.01 l.y.)
 
 
Coord 2000
20368+1444
Discov num
STF2703
Comp
AC
Coord arcsec 2000
20 36 49.41 +14 43 42.4
Date first
1829
Date last
2016
Obs
66
Pa first
239
Pa last
234
P.A. Now (θ)
234°
Sep first
66.7
Sep last
77.8
Sep. Now (ρ)
77.8"
Mag pri
8.35
Mag sec
8.76
delta mag (ΔM)
0.41
Spectral class
A5 (white)
Pri motion ra
+012
Sec motion ra
-021
Pri motion dec
+013
Sec motion dec
-048
Notes
N L U (See Notes, Linear solution, Proper motion indicates non-physical)
rPM=1.324
This double is not physical.
 
 
20368+1444 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20368+1444 STF2703 AB 1824 2017 95 289 25.0 8.35 8.42 0.07
Show 20368+1444 STF2703 AC 1829 2016 66 234 77.8 8.35 8.76 0.41 <===
Show 20368+1444 STF2703 AD 1921 2016 11 347 84.7 8.35 12.78 4.43
Show 20368+1444 STF2703 BC 1824 2016 75 215 67.0 8.42 8.76 0.34
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
233.5
Precise sep
77.77
Constellation
Delphinus
SAO
106302
HIP
101700
Tycho2
1100-01112-1
Gaia DR2
30314041216
HD
196411
BD
BD+14 4364
Distance
440.53
Distance ly
1437.01
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20368+1444 STF2703 AC 2007 51 234 76.7 8.35 8.76 A5 NLD 203649.41+144342.4
20368+1444 STF2703 AC 2009 53 234 77.1 8.35 8.76 A5 NLD 203649.41+144342.4
20368+1444 STF2703 AC 2012 56 235 76.2 8.35 8.76 A5 NLD 203649.41+144342.4
20368+1444 STF2703 AC 2015 57 234 77.7 8.35 8.76 A5 NL U 203649.41+144342.4
20368+1444 STF2703 AC 2016 58 234 77.8 8.35 8.76 A5 NL U 203649.41+144342.4

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