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Doubles in session


Current system
19307+2758
STFA 43 AB
Albireo


Nearby doubles
10' : 19304+2806
KPP 895

16' : 19315+2808
ES 485

19' : 19294+2748
OL 217

20' : 19306+2817
BU 651AB

22' : 19291+2756
LSC 86

26' : 19321+2816
BU 652AB

39' : 19284+2734
TDT1480

44' : 19305+2714
A 269

45' : 19317+2715
TDT1521

50' : 19323+2843
SLE 625

52' : 19268+2752
HO 451

53' : 19340+2729
ES 488

53' : 19301+2850
TDT1503

54' : 19338+2832
SLE 631

55' : 19330+2843
TDT1534

55' : 19339+2723
ES 487

56' : 19348+2750
COU1032

60' : 19316+2659
HDS2774

61' : 19353+2753
BKO 69AB

62' : 19282+2849
TDT1475

63' : 19332+2850
TDT1537

63' : 19354+2755
ES 489AB

65' : 19266+2826
MLB 473

66' : 19355+2742
TDS1000

66' : 19265+2722
HO 449

68' : 19321+2653
BRT3344



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Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19307+2758 STFA 43 AB (Albireo)

 
 
19h 30m 43.29s +27° 57' 34.9" P.A. 54.00 sep 34.6 mag 3.19,4.68 Sp K3II+B9.5 dist. 133.16 pc (434.37 l.y.)
 
 
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 2022 Obs 292
Pa first 58 Pa last 53.9 P.A. Now (θ) 53.9°
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 +006 Sec motion ra -001
Pri motion dec -015 Sec motion dec -001
Notes N S (See Notes, Parallax indidates non-physical)
rPM=0.969
This double is not physical.
 
 
19307+2758 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 87301 19 30 43 +27 57 35 BNU 10 Aa,Ab 1995 2 160 0.0 3.37 5.00 1.63
Show 87301 19 30 43 +27 57 35 MCA 55 Aa,Ac 2022 64 40 0.3 3.37 5.16 1.79 Y
Show Albireo 87301 19 30 43 +27 57 35 STFA 43 AB 2022 292 54 34.6 3.19 4.68 1.49 <===
Show 87301 19 30 43 +27 57 35 WAL 114 AC 2022 12 341 65.2 3.19 10.99 7.80
Show 87301 19 30 43 +27 57 35 CTT 17 AD 2022 12 32 108.2 3.19 12.24 9.05
Show 87301 19 30 43 +27 57 35 CTT 18 AE 2022 12 206 75.3 3.19 11.81 8.62
Show 87301 19 30 43 +27 57 35 SMR 34 AF 2022 8 45 59.1 3.19 12.00 8.81
Show 87301 19 30 43 +27 57 35 SMR 34 AG 2022 7 45 162.8 3.19 12.50 9.31
Show 87301 19 30 43 +27 57 35 SMR 34 AH 2022 8 117 54.5 3.19 12.50 9.31
Show 87301 19 30 43 +27 57 35 SMR 34 AI 2022 7 131 37.5 3.19 12.50 9.31
Show 87301 19 30 43 +27 57 35 SMR 34 AJ 2022 6 132 146.3 3.19 10.00 6.81
Show 87301 19 30 43 +27 57 35 SMR 34 AK 2022 7 277 141.9 3.19 11.50 8.31
Show 87301 19 30 43 +27 57 35 SMR 34 AL 2012 1 269 12.0 3.19 11.50 8.31
Show 87302 19 30 45 +27 57 55 RBR 12 Ba,Bb -1 0 -1 -1.0 5.10 9.20 4.10
15-fold system
12 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Common name Albireo Var name NSV12105 Cyg Constellation Cygnus SAO 87301
HIP 95947 Tycho2 2133-02964-1 Gaia DR2 2026116260302988160 HD 183912
HR 7417 GC 26953 ADS 12540 BD BD+27 3410
Bayer Beta 1 Cygni Bayer name Bet1 Cyg Flamsteed 6 Cygni Flamsteed name 6 Cyg
FK5 732 Distance 133.16 Distance ly 434.37 Bayer greek β1 Cyg
Meaning the hen's beak