19364+5013 BU 1131AB (The Cyg)

 
 
19h 36m 26.53s +50 13' 15.9" P.A. 71 sep 2.3 mag 4.50,12.90 Sp F4V dist. 18.34 pc (59.83 l.y.)
 
 
Coord 2000
19364+5013
Discov num
BU 1131
Comp
AB
Coord arcsec 2000
19 36 26.53 +50 13 15.9
Date first
1889
Date last
2009
Obs
9
Pa first
44
Pa last
71
P.A. Now (θ)
71°
Sep first
3.6
Sep last
2.3
Sep. Now (ρ)
2.3"
Mag pri
4.50
Mag sec
12.90
delta mag (ΔM)
8.4
Spectral class
F4V (yellow-white)
Pri motion ra
-010
Sec motion ra
Pri motion dec
+261
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
19364+5013 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show The Cyg 31815 19364+5013 BU 1131 AB 1889 2009 9 71 2.3 4.50 12.90 8.40 <===
Show 31815 19364+5013 STT 591 AC 1852 2015 16 180 73.3 4.50 11.70 7.20
Show 31815 19364+5013 STG 8 AD 1923 2015 8 53 67.0 4.50 12.50 8.00
Show 31815 19364+5013 SKF1976 AE 1951 2014 8 266 116.3 4.54 12.88 8.34
Show 31815 19364+5013 LDS5881 EF 1951 2010 5 207 263.1 12.88 15.90 3.02
Sextuple system
6 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
71
Precise sep
2.25
Name
The Cyg
Constellation
Cygnus
SAO
31815
HIP
96441
Tycho2
3564-03157-1
Gaia DR2
2135110401277424384
HD
185395
HR
7469
GC
27141
GL
Gl 765A
BD
BD+49 3062
Bayer
Theta Cygni
Bayer name
The Cyg
Flamsteed
13 Cygni
Flamsteed name
13 Cyg
Distance
18.34
Distance ly
59.83
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19364+5013 BU 1131 AB 1968 7 60 2.9 4.48 12.90 F4V N 193626.54+501313.7
19364+5013 BU 1131 AB 2002 8 66 2.5 4.48 12.90 F4V N D 193626.53+501315.9
19364+5013 BU 1131 AB 2009 9 71 2.3 4.50 12.90 F4V N 193626.53+501315.9

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