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
 
 
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 19364+5013 STT 591 AC 1852 2014 15 179 73.0 4.50 11.70 7.20
Show 19364+5013 STG 8 AD 1923 2014 7 53 67.0 4.50 12.50 8.00
Show 19364+5013 SKF1976 AE 1951 2014 8 266 116.3 4.54 12.88 8.34
Show 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
Cdsa2 id
BU 1131 AB
Constellation
Cygnus
SAO
31815
HD
185395
HR
7469
Bayer
Theta Cygni
Bayer name
The Cyg
Flamsteed
13 Cygni
Flamsteed name
13 Cyg
Ra deg
19.607369444444444
De deg
50.22108333333333
last precise pa
71
last precise sep
2.25
 
 
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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