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
Constellation
Cygnus
SAO
87302
HD
183914
HR
7418
Flamsteed
6 Cygni
Flamsteed name
6 Cyg
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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