19307+2758 STFA 43AB (Albireo)

 
 
19h 30m 43.29s +27 57' 34.9" P.A. 54 sep 34.6 mag 3.19,4.68 Sp K3II+B9.5
 
 
Coord 2000
19307+2758
Discov num
STFA 43
Comp
AB
Coord arcsec 2000
19 30 43.29 +27 57 34.9
Date first
1755
Date last
2017
Obs
278
Pa first
58
Pa last
54
P.A. Now (θ)
54°
Sep first
34.2
Sep last
34.6
Sep. Now (ρ)
34.6"
Mag pri
3.19
Mag sec
4.68
delta mag (ΔM)
1.49
Spectral class
K3II+B9.5 (yellow-orange/blue-white)
Pri motion ra
-002
Sec motion ra
-001
Pri motion dec
-001
Sec motion dec
-002
Notes
N Z (See Notes, Parallax indicates components are physical)
rPM=0.632
This double is physical.
 
 
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
54.4
Precise sep
34.581
Common name
Albireo
Meaning
the hen's beak
Constellation
Cygnus
SAO
87301
HD
183912
HR
7417
DM
BD+27 3410
Bayer
Beta 1 Cygni
Bayer name
Bet1 Cyg
Flamsteed
6 Cygni
Flamsteed name
6 Cyg
last precise pa
54.4
last precise sep
34.581
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19307+2758 STFA 43 AB 2008 252 56 37.1 3.19 4.68 NZD 193043.29+275734.9
19307+2758 STFA 43 AB 2009 258 55 34.6 3.19 4.68 NZD 193043.29+275734.9
19307+2758 STFA 43 AB 2010 260 54 34.3 3.19 4.68 NZD 193043.29+275734.9
19307+2758 STFA 43 AB 2012 266 55 35.4 3.19 4.68 NZD 193043.29+275734.9
19307+2758 STFA 43 AB 2014 273 54 34.3 3.19 4.68 K3II+B9.5 NZD 193043.29+275734.9
19307+2758 STFA 43 AB 2016 277 54 34.7 3.19 4.68 K3II+B9.5 NZ 193043.29+275734.9
19307+2758 STFA 43 AB 2017 278 54 34.6 3.19 4.68 K3II+B9.5 NZ 193043.29+275734.9

If you need more information about this double, apply for a data request form to the WDS.