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Doubles in session


Current system
19070+1104
HEI 568
18 Aql


Nearby doubles
30' : 19052+1050
BU 466

37' : 19045+1104
BPM 954

38' : 19057+1136
BPM 960

42' : 19041+1106
AG 371

43' : 19041+1059
KPP 432

45' : 19048+1135
TDT1214

45' : 19070+1020
TDT1230

48' : 19043+1130
J 2163AB

48' : 19093+1138
HDS2716

50' : 19064+1153
BRT1315

57' : 19037+1133
HEI 567AB

59' : 19092+1152
STF2464

62' : 19094+1014
CHR 140

62' : 19056+1005
BRT3224

66' : 19100+1016
TDT1266

69' : 19032+1145
HEI 566

74' : 19082+1215
MCA 54AB

75' : 19116+1135
J 1302

78' : 19065+0947
GWP2811

79' : 19083+0948
HEI 807

83' : 19023+1022
OL 90

86' : 19097+1221
HJ 1368AB

88' : 19010+1008
BRT3337

89' : 19014+1136
HJ 1359

92' : 19008+1118
BPM 924

92' : 19077+0933
KPP3336



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.

19070+1104 HEI 568 (18 Aql)

 
 
19h 06m 58.60s +11° 04' 16.7" P.A. 243.00 sep 0.3 mag 5.44,6.39 Sp B8III dist. 214.13 pc (698.49 l.y.)
 
 
Coord 2000 19070+1104 Discov num HEI 568 Comp Coord arcsec 2000 19 06 58.60 +11 04 16.7
Date first 1987 Date last 2021 Obs 46
Pa first 320 Pa last 243.1 P.A. Now (θ) 243.1°
Sep first 0.3 Sep last 0.256 Sep. Now (ρ) 0.256"
Mag pri 5.44 Mag sec 6.39 delta mag (ΔM) 0.95 Spectral class B8III (blue-white)
Pri motion ra +005 Sec motion ra
Pri motion dec -026 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 18 Aql Var name Y Aql Constellation Aquila SAO 104488
HIP 93867 Tycho2 1044-01453-1 Gaia DR2 4312637517357693696 HD 178125
HR 7248 GC 26315 BD BD+10 3787 Flamsteed 18 Aquilae
Flamsteed name 18 Aql FK5 3525 Distance 214.13 Distance ly 698.49
 
 
ORBITAL ELEMENTS
 
 
Period (P)205.16y Periastron (T)2014.6y Semi-major axis (a)0.399a
Eccentricity (e)0.23 Inclination (i)134.3° Longitude of periastron (ω)201.4°
Node (Ω)94.5° Notesn ReferenceZir2010
Equinox2000 Last observation2008 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 288.3 0.313
2001 286.3 0.313
2002 284.4 0.313
2003 282.5 0.313
2004 280.5 0.313
2005 278.6 0.313
2006 276.7 0.312
2007 274.7 0.311
2008 272.7 0.310
2009 270.8 0.309
2010 268.8 0.307
2011 266.7 0.305
2012 264.7 0.303
2013 262.6 0.301
2014 260.5 0.298
2015 258.3 0.295
2016 256.1 0.292
2017 253.9 0.289
2018 251.6 0.286
2019 249.2 0.283
2020 246.8 0.279
2021 244.4 0.276
2022 241.9 0.272
2023 239.3 0.269
2024 236.6 0.265
2025 233.9 0.262
2026 231.1 0.259
2027 228.2 0.255
2028 225.2 0.252
2029 222.2 0.250
2030 219.1 0.247


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


 
  


wds19070%2B1104a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 19070+1104 HEI 568 (18 Aql) : NOTES
 
 
discov_num notes refcode
HEI 568 18 Aql. This is the eclipsing and spectroscopic binary Y Aql,
P = 1.30d. Hence a triple system.
 
 
REFERENCES
 
 
refcode metd author reference
Zir2010 orb - Zirm, H. 2010IAUDS.170....1Z
Zir2010 Inf. Circ. 170, 1, 2010
 
 
DISCOVERER
 
 
idgroup discov author
1 HEI Heintz, W.D.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
19070+1104 HEI 568 2008 30 272 0.3 5.44 6.39 B8III N D 190658.60+110416.7
19070+1104 HEI 568 2009 37 271 0.3 5.44 6.39 B8III NOD 190658.60+110416.7
19070+1104 HEI 568 2011 39 266 0.3 5.44 6.39 B8III NO 190658.60+110416.7
19070+1104 HEI 568 2014 38 259 0.3 5.44 6.39 B8III NO 190658.60+110416.7
19070+1104 HEI 568 2015 39 258 0.3 5.44 6.39 B8III NO 190658.60+110416.7
19070+1104 HEI 568 2019 45 248 0.3 5.44 6.39 B8III NO 190658.60+110416.7
19070+1104 HEI 568 2021 46 243 0.3 5.44 6.39 B8III NO 190658.60+110416.7

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

 
 
WDS 19070+1104 HEI 568 (18 Aql) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 19070+1104 HEI 568 (18 Aql) : MEASURES
 
 
No records found.

 
 
WDS 19070+1104 (18 Aql) : VIRTUAL EYEPIECE
 
 

19070+1104 HEI 568A mag 5.44 Sp B8III 19070+1104 HEI 568B sep 0.2 P.A. 242.70 mag 6.39 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 19070+1104 (18 Aql) : ALADIN DSS IMAGE @ 19h 06m 58.60s +11° 04' 16.7"
 
 
 
 
WDS 19070+1104 HEI 568 (18 Aql) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

19070+1104 HEI 568 distance=0' 19052+1050 BU 466 distance=30' 19045+1104 BPM 954 distance=37' 19057+1136 BPM 960 distance=38' 19041+1106 AG 371 distance=42' 19041+1059 KPP 432 distance=43' 19048+1135 TDT1214 distance=45' 19070+1020 TDT1230 distance=45' 19043+1130 J 2163AB distance=48' 19043+1130 J 2163BC distance=48' 19093+1138 HDS2716 distance=48' 19064+1153 BRT1315 distance=50' 19037+1133 HEI 567AB distance=57' 19037+1133 GII 63Aa,Ab distance=57' 19037+1133 GII 63AC distance=57' 19092+1152 STF2464 distance=59' 19094+1014 CHR 140 distance=62' 19056+1005 BRT3224 distance=62' 19100+1016 TDT1266 distance=66' 19032+1145 HEI 566 distance=69' 19082+1215 MCA 54AB distance=74' 19082+1215 MCA 54AC distance=74' 19116+1135 J 1302 distance=75' 19065+0947 GWP2811 distance=78' 19083+0948 HEI 807 distance=79' 19023+1022 OL 90 distance=83' 19097+1221 HJ 1368AB distance=86' 19097+1221 HJ 1368AC distance=86' 19097+1221 BVD 4AD distance=86' 19010+1008 BRT3337 distance=88' 19014+1136 HJ 1359 distance=89' 19008+1118 BPM 924 distance=92' 19077+0933 KPP3336 distance=92' 19081+0932 J 813 distance=94' 19078+0928 J 812 distance=97' 19100+1232 KRV 26 distance=99' 19103+0937 LEP 165 distance=100' 19038+1234 J 534 distance=101' 19100+1237 BPM 993 distance=103' 19087+1244 BPM 979 distance=104' 19115+0933 OL 63 distance=113' 19072+0909 TDT1233Ba,Bb distance=115' 19072+0909 TDT1234Aa,Ab distance=116' 19072+0909 SKF1861AB distance=116' 19145+1033 A 1175 distance=116' 19037+1250 DAM 134 distance=117' 18591+1149 J 473 distance=117' 19018+1232 STF2432AB distance=117' 19018+1232 STF2432AC distance=117' 19081+1259 BPM 976 distance=117' 19006+1214 HU 678 distance=117' 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 19070+1104 HEI 568 243 0.3
Show 19052+1050 BU 466 164 1.9 30
Show 19045+1104 BPM 954 155 70.8 37
Show 19057+1136 BPM 960 151 9.0 38
Show 19041+1106 AG 371 159 5.6 42
Show 19041+1059 KPP 432 135 5.0 43
Show 19048+1135 TDT1214 305 0.7 45
Show 19070+1020 TDT1230 274 0.5 45
Show 19043+1130 J 2163 AB 25 52.1 48
Show 19043+1130 J 2163 BC 273 2.6 48
Show 19093+1138 HDS2716 300 0.0 48
Show 19064+1153 BRT1315 29 3.5 50
Show 19037+1133 HEI 567 AB 168 2.0 57
Show 19037+1133 GII 63 Aa,Ab 139 0.5 57
Show 19037+1133 GII 63 AC 297 5.3 57
Show 19092+1152 STF2464 28 1.2 59
Show 19094+1014 CHR 140 29 0.3 62
Show 19056+1005 BRT3224 168 5.6 62
Show 19100+1016 TDT1266 112 1.0 66
Show 19032+1145 HEI 566 41 3.1 69
Show 19082+1215 MCA 54 AB 173 0.1 74
Show 19082+1215 MCA 54 AC 101 1.1 74
Show 19116+1135 J 1302 163 3.1 75
Show 19065+0947 GWP2811 90 31.0 78
Show 19083+0948 HEI 807 27 1.5 79
Show 19023+1022 OL 90 80 1.2 83
Show 19097+1221 HJ 1368 AB 31 19.4 86
Show 19097+1221 HJ 1368 AC 270 17.9 86
Show 19097+1221 BVD 4 AD 226 6.5 86
Show 19010+1008 BRT3337 42 5.6 88
Show 19014+1136 HJ 1359 201 18.9 89
Show 19008+1118 BPM 924 247 33.1 92
Show 19077+0933 KPP3336 168 1.8 92
Show 19081+0932 J 813 4 1.2 94
Show 19078+0928 J 812 120 2.4 97
Show 19100+1232 KRV 26 36 3.5 99
Show 19103+0937 LEP 165 211 3.4 100
Show 19038+1234 J 534 5 4.3 101
Show 19100+1237 BPM 993 43 34.7 103
Show 19087+1244 BPM 979 179 90.8 104
Show 19115+0933 OL 63 57 1.8 113
Show 19072+0909 TDT1233 Ba,Bb 323 0.6 115
Show 19072+0909 TDT1234 Aa,Ab 113 0.4 116
Show 19072+0909 SKF1861 AB 346 29.6 116
Show 19145+1033 A 1175 39 2.9 116
Show 19037+1250 DAM 134 307 7.9 117
Show 18591+1149 J 473 161 3.6 117
Show 19018+1232 STF2432 AB 87 14.8 117
Show 19018+1232 STF2432 AC 160 19.4 117
Show 19081+1259 BPM 976 335 59.9 117
Show 19006+1214 HU 678 359 2.9 117

 
 
WDS 19070+1104 : COMPONENTS
 
 
  A
B pa=242.7°
sep=0.25"
 
 
19070+1104 A
 
 
Componente originario normalizzato AB Name 18 Aql Coord arcsec 2000 190658.60+110416.7 Mag 5.44
Spectral class B8III (blue-white) PmRA 5.00 PmDE -26.0 SAO 104488
HIP 93867 Tycho2 1044-01453-1 HD 178125 HR 7248
GC 26315 BD BD+10 3787 Flamsteed 18 Aquilae Flamsteed name 18 Aql
FK5 3525
Tycho2
Tycho2 1044-01453-1 Pflag RAmdeg 286.74416631 DEmdeg 11.07123635
PmRA 1.6 PmDE -33.5 E RAmdeg 3 E DEmdeg 4
E pmRA 1.1 E pmDE 1.0 EpRAm 1991.68 EpDEm 1991.42
Num 14 Q RAmdeg 1.3 Q DEmdeg 1.8 Q pmRA 1.2
Q pmDE 1.8 BTmag 5.002 E BTmag 0.014 VTmag 5.075
E VTmag 0.009 Prox 999 TYC T HIP 93867
CCDM AB RAdeg 286.74416250 DEdeg 11.07131389 EpRA 1990 1.81
EpDE 1990 1.66 E RAdeg 3.3 E DEdeg 3.6 Posflg P
Corr 0.1
SAO
SAO 104488 DelFlag RA1950 PmRA1950 -0.0002
DE1950 PmDE1950 -0.028 Vmag 5.1 SpType B8
Double code Source 70 CatNum 26315 DM BD+10 3787
DMcomp BDsup HD 178125 M HD 0
GC 26315 RA1950rad 4.99435505 DE1950rad 0.19186163 PmRA2000 0
PmDE2000 -0.029
Hipparcos
Catalog H HIP 93867 Proxy H RAhms 19 06 58.60
DEdms +11 04 16.7 Vmag 5.07 VarFlag R Vmag G
RAdeg 286.744 DEdeg 11.0713 AstroRef A Plx 6.43
CCDM 19070+1104 N CCDM M Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 305 Rho 0.31 HD 178125 BD BD+10 3787
CD CP Dm number +10 3787 VIred -0.03
SpType B8III R SpType Coord arcsec 2000 190658.60+110416.7
Hipparcos 2
HIP 93867 Sn 15 So 3 Nc 2
RArad 5.0046300681 DErad 0.1932307262 Plx 4.67 PmRA -0.89
PmDE -32.11 E RArad 0.51 E DErad 0.41 E Plx 0.63
E pmRA 0.68 E pmDE 0.57 Hpmag 5.0603 E Hpmag 0.0015
SHp 0.008 VA 0 BV -0.055 E BV 0.015
VI -0.03
CCDM
Ccdm 19070+1104 RComp Comp A Note1
Note2 Discov num DRAs -1.39 DDEs 16.6
R dRAs 81 Year Theta Rho
Obs 2 Vmag 5.8 Sp B8 PmNote @
PmRA 5 PmDE -26 Dm number +10 3787 Cat1 BD
Name2 +10 2356 Cat2 AGK2/3 HD 178125 M HD
ADS BDS M ADS BDS N N IDS * IDS 19023N1055A
HIC 93867
 
 
19070+1104 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 190658.58+110416.6 Mag 6.39 Calc delta mag 0.95
Calc coord yes
CCDM
Ccdm 19070+1104 RComp Comp B Note1
Note2 Discov num HEI 568 DRAs DDEs
R dRAs Year 1987 Theta 310 Rho 0.3
Obs 5 Vmag 7.1 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS * IDS 19023N1055B
HIC 93867