20169+5017 BUP 243BG

 
 
20h 17m 02.38s +50 17' 02.6" P.A. 193 sep 10.6 mag 10.30,11.04
 
 
Coord 2000
20169+5017
Discov num
BUP 243
Comp
BG
Coord arcsec 2000
20 17 02.38 +50 17 02.6
Date first
1908
Date last
2015
Obs
6
Pa first
204
Pa last
193
P.A. Now (θ)
193°
Sep first
10.3
Sep last
10.6
Sep. Now (ρ)
10.6"
Mag pri
10.30
Mag sec
11.04
delta mag (ΔM)
0.74
Spectral class
Pri motion ra
-022
Sec motion ra
-010
Pri motion dec
+004
Sec motion dec
-009
Notes
N (See Notes)
rPM=0.791
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
192.6
Precise sep
10.554
Constellation
Cygnus
SAO
32429
Tycho2
3580-00875-1
Gaia DR2
69830434816
 
 
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 BG 2000 2 194 10.5 10.30 12.80 D 201702.38+501702.6
20169+5017 BUP 243 BG 2010 3 193 10.5 10.30 11.04 N D 201702.38+501702.6
20169+5017 BUP 243 BG 2012 5 193 10.6 10.30 11.04 N D 201702.38+501702.6
20169+5017 BUP 243 BG 2015 6 193 10.6 10.30 11.04 N 201702.38+501702.6

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