19307+2758 RBR  12Ba,Bb

 
 
19h 30m 45.40s +27 57' 55.0" P.A. 108 sep 0.4 mag 5.10,9.20 Sp B8V+G4V
 
 
Coord 2000
19307+2758
Discov num
RBR  12
Comp
Ba,Bb
Coord arcsec 2000
19 30 45.40 +27 57 55.0
Date first
2002
Date last
2002
Obs
1
Pa first
108
Pa last
108
P.A. Now (θ)
108°
Sep first
0.4
Sep last
0.4
Sep. Now (ρ)
0.4"
Mag pri
5.10
Mag sec
9.20
delta mag (ΔM)
4.1
Spectral class
B8V+G4V (blue-white/yellow)
Pri motion ra
-002
Sec motion ra
Pri motion dec
-001
Sec motion dec
Notes
N X (See Notes, Dubious double)
Nature of this double is uncertain.
 
 
19307+2758 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 87301 19307+2758 BNU 10 Aa,Ab 1978 1995 2 160 0.0 3.37 5.00 1.63
Show 87301 19307+2758 MCA 55 Aa,Ac 1976 2008 58 252 0.2 3.37 5.16 1.79 Y
Show Albireo 87301 19307+2758 STFA 43 AB 1755 2017 278 54 34.6 3.19 4.68 1.49
Show 19307+2758 WAL 114 AC 1944 2012 6 340 64.8 3.19 10.99 7.80
Show 19307+2758 CTT 17 AD 1894 2012 6 32 107.2 3.19 12.24 9.05
Show 19307+2758 CTT 18 AE 1894 2012 6 206 75.8 3.19 11.81 8.62
Show 19307+2758 SMR 34 AF 1998 2012 2 45 58.3 3.19 12.00 8.81
Show 19307+2758 SMR 34 AG 1998 2012 2 44 161.4 3.19 12.50 9.31
Show 19307+2758 SMR 34 AH 1998 2012 2 118 54.0 3.19 12.50 9.31
Show 19307+2758 SMR 34 AI 1998 2012 2 132 37.6 3.19 12.50 9.31
Show 19307+2758 SMR 34 AJ 1991 2012 3 210 139.0 3.19 10.00 6.81
Show 19307+2758 SMR 34 AK 1998 2012 2 277 142.2 3.19 11.50 8.31
Show 19307+2758 SMR 34 AL 2012 2012 1 269 12.0 3.19 11.50 8.31
Show 87302 19307+2758 RBR 12 Ba,Bb 2002 2002 1 108 0.4 5.10 9.20 4.10 <===
15-fold system
12 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
107.5
Precise sep
0.39
Cdsa2 id
RBR 12 Ba,Bb
Constellation
Cygnus
SAO
87302
HD
183914
HR
7418
Flamsteed
6 Cygni
Flamsteed name
6 Cyg
Ra deg
19.51261111111111
De deg
27.96527777777778
last precise pa
107.5
last precise sep
0.39
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19307+2758 RBR 12 Ba,Bb 2002 1 108 0.4 5.09   B8V+G4V D 193045.40+275755.0

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