20169+5017 BUP 243DF

 
 
20h 16m 50.16s +50 18' 38.5" P.A. 216.00 sep 105.9 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
2015
Obs
15
Pa first
213
Pa last
216
P.A. Now (θ)
216°
Sep first
86.9
Sep last
105.9
Sep. Now (ρ)
105.9"
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 W (See Notes, )
Visually invisible, K-band or other infrared star 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 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
215.5
Precise sep
105.886
Constellation
Cygnus
SAO
32429
Tycho2
3580-01319-1
Gaia DR2
19636328576
 
 
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
20169+5017 BUP 243 DF 2015 15 216 105.9 10.61 12.99 N 201650.16+501838.5

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