20169+5017 BUP 243DF

 
 
20h 16m 50.16s +50 18' 38.5" P.A. 215 sep 103.8 mag 10.61,12.99
 
 
Coord 2000
20169+5017
Discov num
BUP 243
Comp
DF
Coord arcsec 2000
20 16 50.16 +50 18 38.5
Date first
1908
Date last
2003
Obs
3
Pa first
213
Pa last
215
P.A. Now (θ)
215°
Sep first
86.9
Sep last
103.8
Sep. Now (ρ)
103.8"
Mag pri
10.61
Mag sec
12.99
delta mag (ΔM)
2.38
Spectral class
Pri motion ra
-079
Sec motion ra
-227
Pri motion dec
-100
Sec motion dec
-217
Notes
N (See Notes)
rPM=0.601
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 2012 15 74 81.0 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 2010 5 287 105.9 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 2012 5 193 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 2012 3 264 15.6 12.99 16.40 3.41
12-fold system
12 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
215.3
Precise sep
103.789
Cdsa2 id
BUP 243 DF
Constellation
Cygnus
Ra deg
20.2806
De deg
50.310694444444444
last precise pa
215.3
last precise sep
103.789
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
20169+5017 BUP 243 DF 2000 2 215 103.2 10.61 13.40 N D 201650.16+501838.5
20169+5017 BUP 243 DF 2003 3 215 103.8 10.61 13.40 N D 201650.16+501838.5

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