20169+5017 RAO  70FL

 
 
20h 16m 43.97s +50 17' 14.2" P.A. 266.00 sep 15.1 mag 12.99,16.40
 
 
Coord 2000
20169+5017
Discov num
RAO  70
Comp
FL
Coord arcsec 2000
20 16 43.97 +50 17 14.2
Date first
2000
Date last
2015
Obs
4
Pa first
257
Pa last
266
P.A. Now (θ)
266°
Sep first
18.7
Sep last
15.1
Sep. Now (ρ)
15.1"
Mag pri
12.99
Mag sec
16.40
delta mag (ΔM)
3.41
Spectral class
Pri motion ra
-227
Sec motion ra
-004
Pri motion dec
-217
Sec motion dec
+001
Notes
N W (See Notes, )
Visually invisible, K-band or other infrared star rPM=0.993
This double is not physical.
 
 
20169+5017 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 32429 20169+5017 ENG 73 AB 1892 2015 16 74 81.4 8.24 10.30 2.06 Y
Show 32429 20169+5017 ENG 73 AC 1892 2003 10 158 92.7 8.24 11.00 2.76
Show 32429 20169+5017 ENG 73 AD 1892 2003 11 340 122.5 8.24 10.61 2.37
Show 32429 20169+5017 ENG 73 AE 1892 2003 11 118 162.5 8.24 12.30 4.06
Show 32429 20169+5017 GIC 155 AF 1954 2015 6 287 105.9 8.24 12.99 4.75
Show 32429 20169+5017 MET 89 AH 2003 2003 1 67 4.2 6.40 18.60 12.20
Show 32429 20169+5017 MET 89 AI 2003 2003 1 44 8.7 6.40 16.94 10.54
Show 32429 20169+5017 MET 89 AJ 2004 2004 1 326 11.3 6.40 18.49 12.09
Show 32429 20169+5017 MET 89 AK 2003 2003 1 232 11.7 6.40 18.41 12.01
Show 32429 20169+5017 BUP 243 BG 1908 2015 10 193 10.5 10.30 11.04 0.74
Show 32429 20169+5017 BUP 243 DF 1908 2015 15 216 105.9 10.61 12.99 2.38
Show 32429 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
266.2
Precise sep
15.088
Constellation
Cygnus
SAO
32429
Gaia DR2
53136859136
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+5017 RAO 70 FL 2012 3 264 15.6 12.99 16.40 201643.97+501714.2
20169+5017 RAO 70 FL 2015 4 266 15.1 12.99 16.40 N 201643.97+501714.2

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