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Doubles in session


Current system
18311+4527
HDS 2626 AB


Nearby doubles
18' : 18326+4534
UC 3604

21' : 18325+4513
ES 1262

22' : 18324+4510
ES 1261

24' : 18316+4504
COU1929

38' : 18343+4511
ES 2668

48' : 18355+4546
LDS6329

50' : 18358+4524
UC 3622

52' : 18284+4444
HDS2616

59' : 18306+4429
COU1928

69' : 18373+4551
KPP4113

74' : 18242+4540
UC 240

78' : 18254+4440
BVD 262

78' : 18328+4644
BRT1918

82' : 18388+4540
KPP 558

86' : 18326+4403
TDS 927

89' : 18297+4400
COU1789

94' : 18224+4545
A 700

94' : 18291+4356
MET 84

95' : 18264+4649
STT 352

98' : 18231+4439
COU1927

102' : 18274+4355
POP 134AB

105' : 18404+4606
HJ 1339

106' : 18253+4653
BU 134

109' : 18395+4425
KPP3332

115' : 18336+4336
NSN 705

120' : 18294+4328
GCB 32



Selections
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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.

18311+4527 HDS 2626 AB

 
 
18h 31m 07.92s +45° 27' 23.3" P.A. 173.00 sep 0.4 mag 9.14,10.97 Sp K0 dist. 341.3 pc (1113.32 l.y.)
 
 
Coord 2000 18311+4527 Discov num HDS2626 Comp AB Coord arcsec 2000 18 31 07.92 +45 27 23.3
Date first 1991 Date last 2014 Obs 5
Pa first 173 Pa last 172.9 P.A. Now (θ) 172.9°
Sep first 0.3 Sep last 0.401 Sep. Now (ρ) 0.401"
Mag pri 9.14 Mag sec 10.97 delta mag (ΔM) 1.83 Spectral class K0 (yellow-orange)
Pri motion ra +038 Sec motion ra
Pri motion dec +004 Sec motion dec
Notes
Nature of this double is uncertain.
 
 
18311+4527 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 18 31 08 +45 27 23 GII 267 Aa,Ab 2014 1 117 0.1 9.90 9.90 0.00
Show 18 31 08 +45 27 23 HDS 2626 AB 2014 5 173 0.4 9.14 10.97 1.83 <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra HIP 90767 Tycho2 3526-02754-1 BD BD+45 2731
Distance 341.3 Distance ly 1113.32
 
 
WDS 18311+4527 HDS 2626 AB : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Gii1991 Ma j Gili, R. 1991AN....312...41G
Gii1991 AN 312, 41, 1991
Gii1994 M+ j Gili, R. (Couteau & Gili) 1994A&AS..106..377G
Gii1994 +C A&AS 106, 377, 1994
Gii1997 M+ j Gili, R. & Couteau, P. 1997A&AS..126....1G
Gii1997 +C A&AS 126, 1, 1997
Gii2001 C j Gili, R. & Bonneau, D. 2001A&A...378..954G
Gii2001 A&A 378, 954, 2001
Gii2008 C j Gili, R. 2008IAUDS.165....1G
Gii2008 Inf. Circ. 165, 1, 2008
Gii2009 S j Gili, R. 2009IAUDS.168....1G
Gii2009 +orb Inf. Circ. 168, 1, 2009
Gii2009b C j Gili, R. & Agati, J.-L. 2009O&T....73....9G
Gii2009b +S Obs. et Travaux 73, 9, 2009
Gii2009c C j Gili, R. & Agati, J.-L. 2009O&T....74...14G
Gii2009c +S Obs. et Travaux 74, 14, 2009
Gii2012 S j Gili, R. & Prieur, J.-L. 2012AN....333..727G
Gii2012 +Cl AN 333, 727, 2012
Gii2016 S j Gili, R. 2016IAUDS.190....4G
Gii2016 +Cl Inf. Circ. 190, 4, 2016
Gii2016b Cl Gili, R.
Gii2016b private comm. (email 27 Aug 2016)
Gii2020 S Gili, R., Prieur, J.-L., Rivet, J.-P., Scardia, M., Pansecchi, L., Argyle, R.W., 2020AN....341..441G
Gii2020 +Cl Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D. & Maccarini, L.
Gii2020 AN 341, 441, 2020
Gii2021 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2021AN....342..865G
Gii2021 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2021 Maccarini, L. & Serot, J.
Gii2021 AN 342, 865, 2021
Gii2022 S Gili, R., Prieur, J.-L., Rivet, J.-P., Vakili, F., Scardia, M., Pansecchi, L., 2022AN....34324008G
Gii2022 Argyle, R.W., Ling, J.F., Piccotti, L., Aristidi, E., Koechlin, L., Bonneau, D.,
Gii2022 Maccarini, L. & Serot, J.
Gii2022 AN 343, 24008, 2022
Gii2022 errata for Gii2022 (source of code "P" measures in wds) 2023AN....34437001G
Gii2022 AN 344, 37001, 2023
HDS Hipparcos Double Star (from additional DD list) ...................
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18311+4527 HDS2626 AB 2014 5 173 0.4 9.14 10.97 K0 183107.92+452723.3

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

 
 
WDS 18311+4527 HDS 2626 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18311+4527 HDS 2626 AB : MEASURES
 
 
No records found.

 
 
WDS 18311+4527 : VIRTUAL EYEPIECE
 
 

18311+4527 HDS2626A mag 9.14 Sp K0 18311+4527 GII 267Ab sep 0.1 P.A. 125.80 mag 9.9 18311+4527 HDS2626B sep 0.4 P.A. 175.00 mag 10.97 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 18311+4527 : ALADIN DSS IMAGE @ 18h 31m 07.92s +45° 27' 23.3"
 
 
 
 
WDS 18311+4527 HDS 2626 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18311+4527 HDS2626AB distance=0' 18326+4534 UC 3604 distance=18' 18325+4513 ES 1262 distance=21' 18324+4510 ES 1261 distance=22' 18316+4504 COU1929 distance=24' 18343+4511 ES 2668 distance=38' 18355+4546 LDS6329 distance=48' 18358+4524 UC 3622 distance=50' 18284+4444 HDS2616 distance=52' 18306+4429 COU1928 distance=59' 18373+4551 KPP4113 distance=69' 18242+4540 UC 240 distance=74' 18254+4440 BVD 262 distance=78' 18328+4644 BRT1918 distance=78' 18388+4540 KPP 558 distance=82' 18326+4403 TDS 927 distance=86' 18297+4400 COU1789 distance=89' 18224+4545 A 700 distance=94' 18291+4356 KPP3330AC distance=94' 18291+4356 MET 84 distance=94' 18264+4649 STT 352 distance=95' 18231+4439 COU1927 distance=98' 18274+4355 POP 134AB distance=102' 18274+4355 POP 134AC distance=102' 18274+4355 POP 134CD distance=102' 18404+4606 HJ 1339 distance=105' 18253+4653 BU 134 distance=106' 18395+4425 KPP3332 distance=109' 18336+4336 NSN 705 distance=115' 18294+4328 GCB 32 distance=120' 18301+4325 J 763 distance=122' 18389+4658 ES 1160 distance=122' 18386+4700 ES 1159AB distance=122' 18386+4700 ES 1159AC distance=122' 18197+4453 ES 2665AB distance=126' 18197+4453 WAL 90AC distance=126' 18411+4416 HDS2647 distance=128' 18302+4320 A 584 distance=129' 18429+4456 STF2380 distance=129' 18188+4510 WOL 2 distance=132' 18264+4326 HDS2606 distance=132' 18415+4644 BRT1921 distance=132' 18428+4619 ES 1263 distance=134' 18387+4716 KPP2651 distance=134' 18394+4346 DEA 410 distance=135' 18182+4509 HDS2588 distance=138' 18258+4321 BRT1917 distance=139' 18400+4346 BRT1920 distance=140' 18420+4410 TOI1341 distance=140' 18410+4355 KOI3245 distance=141' 18353+4314 ES 1422 distance=141' 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 18311+4527 HDS2626 AB 173 0.4
Show 18311+4527 GII 267 Aa,Ab 117 0.1
Show 18326+4534 UC 3604 156 64.6 18
Show 18325+4513 ES 1262 258 1.5 21
Show 18324+4510 ES 1261 209 7.6 22
Show 18316+4504 COU1929 165 1.8 24
Show 18343+4511 ES 2668 226 12.3 38
Show 18355+4546 LDS6329 56 112.1 48
Show 18358+4524 UC 3622 74 31.8 50
Show 18284+4444 HDS2616 62 0.1 52
Show 18306+4429 COU1928 263 0.5 59
Show 18373+4551 KPP4113 81 1.7 69
Show 18242+4540 UC 240 314 63.6 74
Show 18254+4440 BVD 262 327 15.6 78
Show 18328+4644 BRT1918 190 4.2 78
Show 18388+4540 KPP 558 98 5.2 82
Show 18326+4403 TDS 927 299 1.1 86
Show 18297+4400 COU1789 275 0.4 89
Show 18224+4545 A 700 128 0.6 94
Show 18291+4356 KPP3330 AC 242 20.2 94
Show 18291+4356 MET 84 40 10.1 94
Show 18264+4649 STT 352 221 24.2 95
Show 18231+4439 COU1927 27 1.1 98
Show 18274+4355 POP 134 AB 62 7.7 102
Show 18274+4355 POP 134 AC 285 66.8 102
Show 18274+4355 POP 134 CD 250 4.6 102
Show 18404+4606 HJ 1339 321 23.1 105
Show 18253+4653 BU 134 125 1.1 106
Show 18395+4425 KPP3332 297 21.9 109
Show 18336+4336 NSN 705 221 18.3 115
Show 18294+4328 GCB 32 76 5.5 120
Show 18301+4325 J 763 310 1.9 122
Show 18389+4658 ES 1160 358 1.5 122
Show 18386+4700 ES 1159 AB 255 3.2 122
Show 18386+4700 ES 1159 AC 345 19.6 122
Show 18197+4453 ES 2665 AB 21 9.9 126
Show 18197+4453 WAL 90 AC 334 77.1 126
Show 18411+4416 HDS2647 279 0.1 128
Show 18302+4320 A 584 12 4.7 129
Show 18429+4456 STF2380 8 25.5 129
Show 18188+4510 WOL 2 183 1.3 132
Show 18264+4326 HDS2606 49 1.0 132
Show 18415+4644 BRT1921 170 6.2 132
Show 18428+4619 ES 1263 258 4.7 134
Show 18387+4716 KPP2651 302 24.7 134
Show 18394+4346 DEA 410 49 21.2 135
Show 18182+4509 HDS2588 31 0.4 138
Show 18258+4321 BRT1917 53 3.6 139
Show 18400+4346 BRT1920 197 2.9 140
Show 18420+4410 TOI1341 246 10.6 140
Show 18410+4355 KOI3245 185 1.5 141

 
 
WDS 18311+4527 : COMPONENTS
 
 
  A Ab
Ab pa=125.8°
sep=0.09"
 
B pa=175.0°
sep=0.40"
pa=186.0°
sep=0.35"
 
 
18311+4527 A
 
 
Coord arcsec 2000 183107.92+452723.3 Mag 9.14 Spectral class K0 (yellow-orange) PmRA 38.00
PmDE 4.0 HIP 90767 Tycho2 3526-02754-1 BD BD+45 2731
Tycho2
Tycho2 3526-02754-1 Pflag RAmdeg 277.78312765 DEmdeg 45.45646329
PmRA 39.2 PmDE 2.3 E RAmdeg 11 E DEmdeg 10
E pmRA 1.1 E pmDE 1.1 EpRAm 1989.94 EpDEm 1990.37
Num 8 Q RAmdeg 1.0 Q DEmdeg 1.0 Q pmRA 1.1
Q pmDE 1.0 BTmag 10.049 E BTmag 0.026 VTmag 8.904
E VTmag 0.015 Prox 999 TYC T HIP 90767
CCDM AB RAdeg 277.78299361 DEdeg 45.45645917 EpRA 1990 1.43
EpDE 1990 1.59 E RAdeg 11.0 E DEdeg 9.8 Posflg P
Corr 0.0
Hipparcos
Catalog H HIP 90767 Proxy H RAhms 18 31 07.92
DEdms +45 27 23.3 Vmag 8.79 VarFlag R Vmag H
RAdeg 277.783 DEdeg 45.4565 AstroRef A Plx 2.44
CCDM 18311+4527 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 173 Rho 0.322 HD BD BD+45 2731
CD CP Dm number +45 2731 VIred 1.01
SpType K0 R SpType Coord arcsec 2000 183107.92+452723.3
Hipparcos 2
HIP 90767 Sn 15 So 3 Nc 2
RArad 4.8482276565 DErad 0.7933650789 Plx 2.93 PmRA 36.85
PmDE 3.07 E RArad 0.63 E DErad 0.68 E Plx 0.74
E pmRA 0.75 E pmDE 0.91 Hpmag 8.9554 E Hpmag 0.0015
SHp 0.019 VA 0 BV 1.003 E BV 0.025
VI 0.98
CCDM
Ccdm 18311+4527 RComp Comp A Note1
Note2 Discov num DRAs 1.95 DDEs 23.3
R dRAs 82 Year Theta Rho
Obs 2 Vmag 9.1 Sp K0 PmNote *
PmRA 38 PmDE 4 Dm number +45 2731 Cat1 BD
Name2 +45 1454 Cat2 AGK2/3 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90767
 
 
18311+4527 Ab
 
 
Coord arcsec 2000 183107.93+452723.2 Mag 9.9 Calc coord yes
 
 
18311+4527 B
 
 
Coord arcsec 2000 183107.92+452722.9 Mag 10.97 Calc delta mag 1.07 Calc coord yes
CCDM
Ccdm 18311+4527 RComp Comp B Note1
Note2 Discov num HDS DRAs 1.95 DDEs 23.0
R dRAs 82 Year 1991 Theta 173 Rho 0.3
Obs 1 Vmag 11.0 Sp PmNote *
PmRA 38 PmDE 4 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 90767