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Doubles in session


Current system
19556+5226
YR 2 Aa,Ab


Nearby doubles
28' : 19564+5200
KPP3350

30' : 19576+5250
A 1410

40' : 19568+5304
KPP 448

43' : 19524+5257
TDT1816

45' : 19508+5222
MLR 640

50' : 19527+5308
TDT1817

52' : 19507+5203
KPP1609

57' : 20017+5238
TDT1921

62' : 19510+5143
TDT1800

63' : 19498+5155
AZC 179

72' : 19577+5118
HU 689

79' : 19478+5154
AG 239

81' : 19517+5339
ES 2683

81' : 19507+5120
ES 796

84' : 20038+5150
TDT1944

84' : 19500+5333
TDT1785

87' : 20034+5318
TOI1310

89' : 19465+5259
TDT1728

92' : 19581+5355
ARG 35

93' : 19465+5308
ES 658AB

94' : 19487+5118
HEI 907

97' : 20062+5227
TDT1979

98' : 19549+5049
HU 687

100' : 19461+5140
ARY 66

101' : 19509+5056
TDT1798

106' : 20062+5310
ENG 70



Selections
Full WDS
Binocular doubles
Binary Systems
Triple Systems
Quadruple Systems
Multiple Systems
Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

19556+5226 YR 2 Aa,Ab

 
 
19h 55m 37.82s +52° 26' 20.5" P.A. 45.00 sep 0.1 mag 5.60,6.10 Sp A4Vn dist. 86.28 pc (281.45 l.y.)
 
 
Coord 2000 19556+5226 Discov num YR    2 Comp Aa,Ab Coord arcsec 2000 19 55 37.82 +52 26 20.5
Date first 1996 Date last 2010 Obs 16
Pa first 106 Pa last 45 P.A. Now (θ) 45°
Sep first 0.1 Sep last 0.111 Sep. Now (ρ) 0.111"
Mag pri 5.60 Mag sec 6.10 delta mag (ΔM) 0.5 Spectral class A4Vn (white)
Pri motion ra -034 Sec motion ra
Pri motion dec -022 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
19556+5226 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 32114 19 55 38 +52 26 20 YR 2 Aa,Ab 2010 16 45 0.1 5.60 6.10 0.50 Y <===
Show Psi Cyg 32114 19 55 38 +52 26 20 STF 2605 AB 2017 132 175 2.9 5.03 7.52 2.49
Show 32114 19 55 38 +52 26 20 STF 2605 AC 2003 5 53 23.9 5.03 13.80 8.77
Show 32114 19 55 38 +52 26 20 STF 2605 AD 2003 8 60 169.8 5.03 11.31 6.28
Quintuple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cygnus SAO 32114 HIP 98055 Tycho2 3570-02426-1
Gaia DR2 2089092884718210432 HD 189037 HR 7619 GC 27618
ADS 13148 BD BD+52 2572 Bayer Psi Cygni Bayer name Psi Cyg
Flamsteed 24 Cygni Flamsteed name 24 Cyg Distance 86.28 Distance ly 281.45
Bayer greek ψ Cyg
 
 
ORBITAL ELEMENTS
 
 
Period (P)54.08y Periastron (T)2016.9y Semi-major axis (a)0.141a
Eccentricity (e)0.484 Inclination (i)113° Longitude of periastron (ω)259.9°
Node (Ω)216.7° Notesn ReferenceHrt2013c
Equinox2000 Last observation2010 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 85.7 0.092
2001 80.5 0.096
2002 75.8 0.099
2003 71.3 0.103
2004 67.2 0.107
2005 63.4 0.110
2006 59.7 0.112
2007 56.2 0.114
2008 52.7 0.115
2009 49.3 0.115
2010 45.8 0.113
2011 42.1 0.109
2012 38.1 0.102
2013 33.3 0.093
2014 27.2 0.080
2015 18.3 0.063
2016 2.1 0.044
2017 326.3 0.030
2018 275.1 0.033
2019 247.7 0.051
2020 235.0 0.070
2021 227.6 0.087
2022 222.5 0.101
2023 218.5 0.113
2024 215.2 0.122
2025 212.4 0.129
2026 209.7 0.134
2027 207.3 0.137
2028 204.9 0.139
2029 202.6 0.140
2030 200.2 0.139


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.


 
  


wds19556%2B5226a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19556+5226 YR 2 Aa,Ab : NOTES
 
 
discov_num notes refcode
STF2605 psi Cyg = 24 Cyg
AB: H 2 15. MEv2010
 
 
REFERENCES
 
 
refcode metd author reference
Hrt2013c orb - Hartkopf, W.I. & Harshaw, R. 2013IAUDS.181Q...1H
Hrt2013c Inf. Circ. 181, 1, 2013
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
34 YR Yale-Rochester (from additional DD list - see HOR)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19556+5226 YR 2 Aa,Ab 2003 11 69 0.1 5.03   A4Vn D 195537.82+522620.5
19556+5226 YR 2 Aa,Ab 2007 13 55 0.1 5.60 6.10 A4Vn D 195537.82+522620.5
19556+5226 YR 2 Aa,Ab 2010 15 45 0.1 5.60 6.10 A4Vn N D 195537.82+522620.5

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

 
 
WDS 19556+5226 YR 2 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19556+5226 YR 2 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 19556+5226 : VIRTUAL EYEPIECE
 
 

19556+5226 STF2605A mag 5.03 Sp A4Vn 19556+5226 YR 2Ab sep 0.1 P.A. 31.40 mag 6.1 19556+5226 STF2605B sep 2.9 P.A. 177.00 mag 7.52 19556+5226 STF2605C sep 18.5 P.A. 38.80 mag 13.8 19556+5226 STF2605D sep 123.3 P.A. 46.70 mag 11.31 virtual eyepiece
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Radius:
Components only
 
 
WDS 19556+5226 : ALADIN DSS IMAGE @ 19h 55m 37.82s +52° 26' 20.5"
 
 
 
 
WDS 19556+5226 YR 2 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19556+5226 YR 2Aa,Ab distance=1' 19556+5226 STF2605AB distance=1' 19556+5226 STF2605AC distance=1' 19556+5226 STF2605AD distance=1' 19564+5200 KPP3350 distance=28' 19576+5250 A 1410 distance=30' 19568+5304 KPP 448 distance=40' 19524+5257 TDT1816 distance=43' 19508+5222 MLR 640 distance=45' 19527+5308 TDT1817 distance=50' 19507+5203 KPP1609 distance=52' 20017+5238 TDT1921 distance=57' 19510+5143 TDT1800 distance=62' 19498+5155 AZC 179 distance=63' 19577+5118 HU 689 distance=72' 19478+5154 AG 239 distance=79' 19517+5339 ES 2683 distance=81' 19507+5120 ES 796 distance=81' 20038+5150 TDT1944 distance=84' 19500+5333 TDT1785 distance=84' 20034+5318 TOI1310 distance=87' 19465+5259 TDT1728 distance=89' 19581+5355 ARG 35 distance=92' 19465+5308 ES 658CD distance=93' 19465+5308 ES 658AB distance=93' 19465+5308 ES 658AC distance=93' 19487+5118 HEI 907 distance=94' 20062+5227 TDT1979 distance=97' 19549+5049 HU 687 distance=98' 19461+5140 ARY 66 distance=100' 19509+5056 TDT1798 distance=101' 20062+5310 ENG 70 distance=106' 19516+5046 HU 686 distance=107' 20046+5115 TDS1040 distance=110' 19546+5037 ES 797 distance=111' 19450+5136 LEP 92 distance=111' 20076+5247 TDT1999 distance=111' 19591+5040 HJ 1464 distance=112' 19463+5114 DEA 117 distance=113' 19560+5419 ES 985 distance=113' 19456+5121 KOI 439AB distance=114' 19451+5124 KOI7539 distance=116' 19455+5119 KOI 790 distance=116' 19450+5122 KOI7536 distance=118' 19471+5357 TDT1744AB distance=119' 19471+5357 SMA 96AC distance=119' 19577+5423 STI2488 distance=119' 19466+5101 JKA 79 distance=120' 19451+5116 KOI5971 distance=121' 19468+5057 TDT1735 distance=122' 19562+5427 STI2478 distance=122' grafico limitrofi
Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.
Show name coord_2000 discov# comp pa sep dist(')
Show 19556+5226 YR 2 Aa,Ab 45 0.1 1
Show 19556+5226 STF2605 AB 175 2.9 1
Show 19556+5226 STF2605 AC 53 23.9 1
Show 19556+5226 STF2605 AD 60 169.8 1
Show 19564+5200 KPP3350 234 1.4 28
Show 19576+5250 A 1410 198 1.4 30
Show 19568+5304 KPP 448 99 5.0 40
Show 19524+5257 TDT1816 232 0.6 43
Show 19508+5222 MLR 640 97 1.9 45
Show 19527+5308 TDT1817 67 0.6 50
Show 19507+5203 KPP1609 93 12.2 52
Show 20017+5238 TDT1921 121 0.4 57
Show 19510+5143 TDT1800 238 0.8 62
Show 19498+5155 AZC 179 234 23.1 63
Show 19577+5118 HU 689 330 0.1 72
Show 19478+5154 AG 239 238 16.2 79
Show 19517+5339 ES 2683 318 10.0 81
Show 19507+5120 ES 796 19 6.1 81
Show 20038+5150 TDT1944 330 0.8 84
Show 19500+5333 TDT1785 60 1.1 84
Show 20034+5318 TOI1310 123 9.4 87
Show 19465+5259 TDT1728 72 0.6 89
Show 19581+5355 ARG 35 227 7.4 92
Show 19465+5308 ES 658 CD 281 8.6 93
Show 19465+5308 ES 658 AB 306 6.5 93
Show 19465+5308 ES 658 AC 90 30.9 93
Show 19487+5118 HEI 907 177 1.5 94
Show 20062+5227 TDT1979 256 1.6 97
Show 19549+5049 HU 687 27 0.2 98
Show 19461+5140 ARY 66 224 101.1 100
Show 19509+5056 TDT1798 85 0.6 101
Show 20062+5310 ENG 70 136 170.0 106
Show 19516+5046 HU 686 160 4.9 107
Show 20046+5115 TDS1040 272 1.4 110
Show 19546+5037 ES 797 154 4.6 111
Show 19450+5136 LEP 92 185 12.5 111
Show 20076+5247 TDT1999 120 4.6 111
Show 19591+5040 HJ 1464 41 12.8 112
Show 19463+5114 DEA 117 230 6.7 113
Show 19560+5419 ES 985 291 3.1 113
Show 19456+5121 KOI 439 AB 15 5.4 114
Show 19451+5124 KOI7539 348 3.0 116
Show 19455+5119 KOI 790 97 2.7 116
Show 19450+5122 KOI7536 306 3.7 118
Show 19471+5357 TDT1744 AB 184 0.8 119
Show 19471+5357 SMA 96 AC 191 9.8 119
Show 19577+5423 STI2488 4 8.7 119
Show 19466+5101 JKA 79 166 470.2 120
Show 19451+5116 KOI5971 134 0.0 121
Show 19468+5057 TDT1735 286 2.4 122
Show 19562+5427 STI2478 152 14.7 122

 
 
WDS 19556+5226 : COMPONENTS
 
 
  A Ab B C
Ab pa=31.4°
sep=0.09"
 
B pa=177.0°
sep=2.85"
pa=178.0°
sep=2.93"
 
C pa=38.8°
sep=18.52"
pa=38.8°
sep=18.43"
pa=33.5°
sep=20.74"
 
D pa=46.7°
sep=123.35"
pa=46.7°
sep=123.26"
pa=45.7°
sep=125.22"
pa=48.1°
sep=105.03"
 
 
19556+5226 A
 
 
Name Psi Cyg Coord arcsec 2000 195537.82+522620.5 Mag 5.03 Spectral class A4Vn (white)
PmRA -34.00 PmDE -22.0 SAO 32114 HIP 98055
Tycho2 3570-02426-1 HD 189037 HR 7619 GC 27618
BD BD+52 2572 Bayer Psi Cygni Bayer name Psi Cyg Flamsteed 24 Cygni
Flamsteed name 24 Cyg
Tycho2
Tycho2 3570-02426-1 Pflag RAmdeg 298.90746511 DEmdeg 52.43896872
PmRA -33.9 PmDE -21.5 E RAmdeg 3 E DEmdeg 4
E pmRA 2.3 E pmDE 2.5 EpRAm 1991.84 EpDEm 1991.52
Num 4 Q RAmdeg 0.7 Q DEmdeg 1.2 Q pmRA 0.8
Q pmDE 1.1 BTmag 5.154 E BTmag 0.014 VTmag 5.032
E VTmag 0.009 Prox 30 TYC T HIP 98055
CCDM A RAdeg 298.90759083 DEdeg 52.43901917 EpRA 1990 1.86
EpDE 1990 1.55 E RAdeg 3.3 E DEdeg 4.0 Posflg
Corr 0.1
SAO
SAO 32114 DelFlag RA1950 PmRA1950 -0.0045
DE1950 PmDE1950 -0.028 Vmag 4.8 SpType A3
Double code Source 71 CatNum 750 DM BD+52 2572
DMcomp BDsup HD 189037 M HD 0
GC 27618 RA1950rad 5.21127495 DE1950rad 0.91290301 PmRA2000 -0.004
PmDE2000 -0.03
Hipparcos
Catalog H HIP 98055 Proxy H RAhms 19 55 37.82
DEdms +52 26 20.5 Vmag 4.91 VarFlag R Vmag H
RAdeg 298.908 DEdeg 52.439 AstroRef A Plx 11.3
CCDM 19557+5227 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 177 Rho 3.009 HD 189037 BD BD+52 2572
CD CP Dm number +52 2572 VIred 0.12
SpType A4Vn R SpType Coord arcsec 2000 195537.82+522620.5
Hipparcos 2
HIP 98055 Sn 15 So 3 Nc 2
RArad 5.2169216499 DErad 0.9152336137 Plx 11.59 PmRA -37.62
PmDE -31.13 E RArad 0.33 E DErad 0.36 E Plx 0.38
E pmRA 0.35 E pmDE 0.45 Hpmag 4.9503 E Hpmag 0.0006
SHp 0.005 VA 0 BV 0.124 E BV 0.006
VI 0.12
 
 
19556+5226 Ab
 
 
Coord arcsec 2000 195537.83+522620.6 Mag 6.1 Calc delta mag 0.5 Calc coord yes
 
 
19556+5226 B
 
 
Coord arcsec 2000 195537.84+522617.7 Mag 7.52 Calc delta mag 1.92 Calc coord yes
 
 
19556+5226 C
 
 
Coord arcsec 2000 195539.09+522634.9 Mag 13.8 PmRA 7.00 PmDE -2.0
Calc delta mag 8.2 Calc coord yes
 
 
19556+5226 D
 
 
Coord arcsec 2000 195547.63+522745.2 Mag 11.31 PmRA -3.00 PmDE -3.0
Calc delta mag 5.71 Calc coord yes