20169+5017 ENG  73AD

 
 
20h 16m 54.53s +50 16' 43.4" P.A. 340 sep 122.5 mag 8.24,10.61 Sp G5 dist. 30.77 pc (100.37 l.y.)
 
 
Coord 2000
20169+5017
Discov num
ENG  73
Comp
AD
Coord arcsec 2000
20 16 54.53 +50 16 43.4
Date first
1892
Date last
2003
Obs
11
Pa first
331
Pa last
340
P.A. Now (θ)
340°
Sep first
117.7
Sep last
122.5
Sep. Now (ρ)
122.5"
Mag pri
8.24
Mag sec
10.61
delta mag (ΔM)
2.37
Spectral class
G5 (yellow)
Pri motion ra
-222
Sec motion ra
-079
Pri motion dec
-215
Sec motion dec
-100
Notes
N (See Notes)
rPM=0.594
Nature of this double is uncertain.
 
 
20169+5017 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 20169+5017 ENG 73 AB 1892 2015 16 74 81.4 8.24 10.30 2.06 Y
Show 20169+5017 ENG 73 AC 1892 2003 10 158 92.7 8.24 11.00 2.76
Show 20169+5017 ENG 73 AD 1892 2003 11 340 122.5 8.24 10.61 2.37 <===
Show 20169+5017 ENG 73 AE 1892 2003 11 118 162.5 8.24 12.30 4.06
Show 20169+5017 GIC 155 AF 1954 2015 6 287 105.9 8.24 12.99 4.75
Show 20169+5017 MET 89 AH 2003 2003 1 67 4.2 6.40 18.60 12.20
Show 20169+5017 MET 89 AI 2003 2003 1 44 8.7 6.40 16.94 10.54
Show 20169+5017 MET 89 AJ 2004 2004 1 326 11.3 6.40 18.49 12.09
Show 20169+5017 MET 89 AK 2003 2003 1 232 11.7 6.40 18.41 12.01
Show 20169+5017 BUP 243 BG 1908 2015 6 193 10.6 10.30 11.04 0.74
Show 20169+5017 BUP 243 DF 1908 2003 3 215 103.8 10.61 12.99 2.38
Show 20169+5017 RAO 70 FL 2000 2015 4 266 15.1 12.99 16.40 3.41
12-fold system
12 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
340.3
Precise sep
122.477
Constellation
Cygnus
SAO
32429
HIP
99965
Tycho2
3580-00583-1
Gaia DR2
67746614912
HD
193216
BD
BD+49 3245
Distance
30.77
Distance ly
100.37
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+5017 ENG 73 AD 1988 8 329 122.0 8.40 10.10 201654.53+501643.4
20169+5017 ENG 73 AD 2000 9 340 122.4 8.24 10.61 D 201654.53+501643.4
20169+5017 ENG 73 AD 2003 10 340 122.7 8.24 10.61 N D 201654.53+501643.4

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