18413+3018 STF 2367 AB

 
 
18h 41m 16.36s +30° 17' 40.9" P.A. 73.00 sep 0.4 mag 7.70,8.03 Sp G3IV dist. 136.05 pc (443.8 l.y.)
 
 
Coord 2000 18413+3018 Discov num STF2367 Comp AB Coord arcsec 2000 18 41 16.36 +30 17 40.9
Date first 1833 Date last 2019 Obs 185
Pa first 68 Pa last 73.3 P.A. Now (θ) 71.2°
Sep first 0.4 Sep last 0.432 Sep. Now (ρ) 0.445"
Mag pri 7.70 Mag sec 8.03 delta mag (ΔM) 0.33 Spectral class G3IV (yellow)
Pri motion ra +004 Sec motion ra
Pri motion dec -040 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
18413+3018 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 67250 18 41 16 +30 17 41 STF 2367 AB 2019 185 73 0.4 7.70 8.03 0.33 Y <===
Show HD 172865 67250 18 41 16 +30 17 41 STF 2367 AB,C 2019 81 192 14.1 7.05 8.75 1.70
Show 67250 18 41 16 +30 17 41 STF 2367 AB,D 2007 3 84 21.9 7.05 12.00 4.95
Show 67250 18 41 16 +30 17 41 STF 2367 AB,E 2002 4 341 151.7 7.05 11.00 3.95
Show 67250 18 41 16 +30 17 41 BTG 2 AB,F 2007 3 173 42.4 7.05 15.10 8.05
Sextuple system
7 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Lyra SAO 67250 HIP 91636 Tycho2 2637-00713-1
Gaia DR2 4587747627368445952 HD 172865 GC 25575 ADS 11579
BD BD+30 3271 Distance 136.05 Distance ly 443.8
 
 
ORBITAL ELEMENTS
 
 
Period (P)92.2y± 0.41 Periastron (T)1980.82y± 0.015 Semi-major axis (a)0.239a± 0.0034
Eccentricity (e)0.91± 0.002 Inclination (i)121°± 1.6 Longitude of periastron (ω)348°± 1.7
Node (Ω)244°± 1.1 Notesn ReferencePbx2000b
Equinox Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 78.3 0.322
2001 77.8 0.331
2002 77.4 0.340
2003 77.0 0.349
2004 76.6 0.357
2005 76.2 0.364
2006 75.9 0.372
2007 75.6 0.379
2008 75.2 0.385
2009 74.9 0.392
2010 74.6 0.397
2011 74.3 0.403
2012 74.0 0.408
2013 73.7 0.413
2014 73.5 0.418
2015 73.2 0.422
2016 72.9 0.426
2017 72.7 0.429
2018 72.4 0.433
2019 72.2 0.436
2020 71.9 0.438
2021 71.7 0.441
2022 71.4 0.443
2023 71.2 0.445
2024 70.9 0.446
2025 70.7 0.448
2026 70.5 0.449
2027 70.2 0.449
2028 70.0 0.450
2029 69.8 0.450
2030 69.5 0.449


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



 
 


wds18413%2B3018a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 18413+3018 STF 2367 AB : NOTES
 
 
discov_num notes refcode
STF2367 Bidelman classifies AB as composite gK+A:.
Pourbaix gives combined solution for this resolved SB2, yielding Pbx2000b
orbital parallaxes and component masses.
Only elements P and T have been amended by Starikova (1977) from the Sta1977a
orbit of Baize (1950). Baz1950b
 
 
REFERENCES
 
 
refcode metd author reference
Baz1950b orb - Baize, P. 1950JO.....33..125B
Baz1950b J. Obs. 33, 125-133, 1950
Pbx2000b orb - Pourbaix, D. 2000A&AS..145..215P
Pbx2000b A&AS 145, 215, 2000
Sta1977a orb - Starikova, G.A. 1977ATsir.961....7S
Sta1977a Astron. Tsirk. #961, 7, 1977
 
 
DISCOVERER
 
 
idgroup discov author
1 BTG Bertoglio, A.
4 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
18413+3018 STF2367 AB 2004 174 78 0.4 7.70 8.03 G3IV NOD 184116.36+301740.9
18413+3018 STF2367 AB 2006 176 75 0.4 7.70 8.03 G3IV NOD 184116.36+301740.9
18413+3018 STF2367 AB 2007 178 73 0.4 7.70 8.03 G3IV NOD 184116.36+301740.9
18413+3018 STF2367 AB 2009 179 76 0.4 7.70 8.03 G3IV NOD 184116.36+301740.9
18413+3018 STF2367 AB 2010 181 75 0.4 7.70 8.03 G3IV NOD 184116.36+301740.9
18413+3018 STF2367 AB 2011 183 75 0.4 7.70 8.03 G3IV NO 184116.36+301740.9
18413+3018 STF2367 AB 2018 181 75 0.4 7.70 8.03 G3IV NO 184116.36+301740.9
18413+3018 STF2367 AB 2019 184 74 0.4 7.70 8.03 G3IV NO 184116.36+301740.9

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

 
 
WDS 18413+3018 STF 2367 AB : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18413+3018 STF 2367 AB : MEASURES
 
 
No records found.

 
 
WDS 18413+3018 : VIRTUAL EYEPIECE
 
 

18413+3018 STF2367A mag 7.7 Sp G3IV 18413+3018 STF2367B sep 0.4 P.A. 70.80 mag 8.03 18413+3018 STF2367C sep 14.0 P.A. 190.00 mag 8.75 18413+3018 STF2367D sep 19.0 P.A. 83.10 mag 12 18413+3018 STF2367E sep 149.6 P.A. 343.40 mag 11 18413+3018 BTG   2F sep 42.4 P.A. 174.30 mag 15.1 virtual eyepiece
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Pass over with the mouse cursor to display the catalog designation.

Radius:
Components only
 
 
WDS 18413+3018 : ALADIN DSS IMAGE @ 18h 41m 16.36s +30° 17' 40.9"
 
 
 
 
WDS 18413+3018 STF 2367 AB : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


18413+3018  STF2367AB distance=0' 18405+3017  HJ 1336AB distance=11' 18405+3017  HJ 1336AC distance=11' 18405+3017  HJ 1336AD distance=11' 18405+3017  HJ 1336AE distance=11' 18414+3032  TDT 998 distance=15' 18412+3000  SLE 115 distance=18' 18429+3008  SLE 117AB distance=24' 18429+3008  SLE 117AC distance=24' 18424+3036  LDS1014 distance=24' 18395+3009  LDS4794 distance=24' 18409+3044  SLE 114 distance=28' 18394+3000  SLE 101 distance=30' 18437+3024  STF2376AB distance=33' 18437+3024  STF2376AC distance=33' 18437+3024  SLE 112AD distance=33' 18434+3037  SLE 118 distance=35' 18400+3051  ARY  59 distance=37' 18428+2945  SLE 116 distance=39' 18442+3000  TDT1022 distance=43' 18396+2940  SLE 102 distance=43' 18386+3046  STF2358CD distance=44' 18386+3046  STF2359AB distance=45' 18386+3046  STF2359AC distance=45' 18386+3046  STF2359AD distance=45' 18386+3046  STF2359AE distance=45' 18381+3000  J  1138 distance=46' 18367+3036  HJ 1330AB distance=52' 18367+3036  DAM 110AC distance=52' 18386+2937  J   525 distance=55' 18454+3005  SLE 119 distance=55' 18448+2945  TDT1028 distance=56' 18422+2922  RAO 396 distance=57' 18389+3106  SLE 113 distance=57' 18369+3032  DAM 111 distance=58' 18375+3112  A   250 distance=74' 18409+3132  HJ 1337 distance=75' 18452+2919  SLE 105 distance=78' 18465+3055  A   254 distance=78' 18381+2911  TDT 965 distance=79' 18468+3055  BRT 261 distance=81' 18458+3113  SLE 120 distance=81' 18421+2857  HDS2648 distance=81' 18405+3139  HO  437AB distance=82' 18405+3139  HO  437AC distance=82' 18405+3139  HO  437AE distance=82' 18405+3139  HO  437CD distance=82' 18369+2915  SLE  98 distance=86' 18464+3116  HJ 1345 distance=87' 18387+2858  L    53 distance=88' 18422+2851  LDS4795 distance=88' grafico limitrofi
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Pass over with the mouse cursor to display the catalog designation.

Show name coord_2000 discov# comp pa sep dist(')
Show 18413+3018 STF2367 AB 73 0.4
Show 18413+3018 BTG 2 AB,F 173 42.4
Show 18413+3018 STF2367 AB,C 192 14.1
Show 18413+3018 STF2367 AB,D 84 21.9
Show 18413+3018 STF2367 AB,E 341 151.7
Show 18405+3017 HJ 1336 AB 89 16.9 11
Show 18405+3017 HJ 1336 AC 176 32.6 11
Show 18405+3017 HJ 1336 AD 294 33.1 11
Show 18405+3017 HJ 1336 AE 334 32.3 11
Show 18414+3032 TDT 998 315 0.8 15
Show 18412+3000 SLE 115 40 8.5 18
Show 18429+3008 SLE 117 AB 299 13.6 24
Show 18429+3008 SLE 117 AC 13 17.7 24
Show 18424+3036 LDS1014 13 49.3 24
Show 18395+3009 LDS4794 13 224.9 24
Show 18409+3044 SLE 114 145 4.3 28
Show 18394+3000 SLE 101 235 20.2 30
Show 18437+3024 STF2376 AB 63 22.3 33
Show 18437+3024 STF2376 AC 206 85.1 33
Show 18437+3024 SLE 112 AD 168 29.1 33
Show 18434+3037 SLE 118 45 8.3 35
Show 18400+3051 ARY 59 280 52.4 37
Show 18428+2945 SLE 116 71 18.2 39
Show 18442+3000 TDT1022 128 0.6 43
Show 18396+2940 SLE 102 103 13.3 43
Show 18386+3046 STF2358 CD 224 2.5 44
Show 18386+3046 STF2359 AB 293 24.5 45
Show 18386+3046 STF2359 AC 183 136.9 45
Show 18386+3046 STF2359 AD 183 138.6 45
Show 18386+3046 STF2359 AE 148 225.0 45
Show 18381+3000 J 1138 300 2.7 46
Show 18367+3036 HJ 1330 AB 224 9.3 52
Show 18367+3036 DAM 110 AC 289 8.1 52
Show 18386+2937 J 525 70 3.1 55
Show 18454+3005 SLE 119 177 6.6 55
Show 18448+2945 TDT1028 69 0.6 56
Show 18422+2922 RAO 396 110 0.9 57
Show 18389+3106 SLE 113 125 11.0 57
Show 18369+3032 DAM 111 286 7.2 58
Show 18375+3112 A 250 114 2.4 74
Show 18409+3132 HJ 1337 151 9.4 75
Show 18452+2919 SLE 105 93 10.2 78
Show 18465+3055 A 254 48 2.3 78
Show 18381+2911 TDT 965 141 0.6 79
Show 18468+3055 BRT 261 18 4.7 81
Show 18458+3113 SLE 120 115 6.9 81
Show 18421+2857 HDS2648 194 0.3 81
Show 18405+3139 HO 437 AB 140 0.3 82
Show 18405+3139 HO 437 AC 272 39.9 82
Show 18405+3139 HO 437 AE 288 22.1 82
Show 18405+3139 HO 437 CD 347 4.5 82

 
 
WDS 18413+3018 : COMPONENTS
 
 
  A B C D E
B pa=70.8°
sep=0.38"
 
C pa=190.0°
sep=14.03"
pa=191.3°
sep=14.22"
 
D pa=83.1°
sep=18.96"
pa=83.3°
sep=18.59"
pa=52.8°
sep=26.67"
 
E pa=343.4°
sep=149.59"
pa=343.2°
sep=149.57"
pa=345.6°
sep=162.25"
pa=336.4°
sep=153.92"
 
F pa=174.3°
sep=42.36"
pa=174.8°
sep=42.45"
pa=166.8°
sep=29.10"
pa=198.2°
sep=46.78"
pa=165.8°
sep=191.35"
 
 
18413+3018 A
 
 
Coord arcsec 2000 184116.36+301740.9 Mag 7.7 Spectral class G3IV (yellow) PmRA 4.00
PmDE -40.0 SAO 67250 HIP 91636 Tycho2 2637-00713-1
HD 172865 GC 25575 BD BD+30 3271
Tycho2
Tycho2 2637-00713-1 Pflag RAmdeg 280.31816872 DEmdeg 30.29460173
PmRA 3.6 PmDE -39.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.5 E pmDE 1.4 EpRAm 1991.45 EpDEm 1991.42
Num 9 Q RAmdeg 0.8 Q DEmdeg 1.2 Q pmRA 0.7
Q pmDE 1.2 BTmag 7.974 E BTmag 0.016 VTmag 7.049
E VTmag 0.010 Prox 141 TYC T HIP 91636
CCDM AB RAdeg 280.31815861 DEdeg 30.29469583 EpRA 1990 1.56
EpDE 1990 1.53 E RAdeg 4.1 E DEdeg 4.4 Posflg P
Corr 0.1
SAO
SAO 67250 DelFlag RA1950 PmRA1950 0.0009
DE1950 PmDE1950 -0.044 Vmag 6.9 SpType G5
Double code Source 70 CatNum 25575 DM BD+30 3271
DMcomp BDsup HD 172865 M HD 0
GC 25575 RA1950rad 4.88408434 DE1950rad 0.52789783 PmRA2000 0.0011
PmDE2000 -0.044
Hipparcos
Catalog H HIP 91636 Proxy H RAhms 18 41 16.36
DEdms +30 17 40.9 Vmag 6.79 VarFlag R Vmag H
RAdeg 280.318 DEdeg 30.2947 AstroRef * Plx 6.15
CCDM 18413+3018 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source P Qual B M HIP AB
Theta 88 Rho 0.216 HD 172865 BD BD+30 3271
CD CP Dm number +30 3271 VIred 0.84
SpType G5IV R SpType Coord arcsec 2000 184116.36+301740.9
Hipparcos 2
HIP 91636 Sn 55 So 3 Nc 2
RArad 4.892474748 DErad 0.5287423059 Plx -7.35 PmRA 13.37
PmDE -29.37 E RArad 3.71 E DErad 4.94 E Plx 5.54
E pmRA 3.81 E pmDE 5.76 Hpmag 6.9428 E Hpmag 0.0034
SHp 0.039 VA 0 BV 0.82 E BV 0.4
VI 0.84
CCDM
Ccdm 18413+3018 RComp Comp A Note1
Note2 Discov num DRAs -1.68 DDEs -18.6
R dRAs 10 Year Theta Rho
Obs 5 Vmag 7.4 Sp G5 PmNote *
PmRA -8 PmDE -25 Dm number +30 3271 Cat1 BD
Name2 +30 1743 Cat2 AGK2/3 HD 172865 M HD
ADS BDS A11579 M ADS BDS N IDS IDS 18374N3012A
HIC 91636
 
 
18413+3018 B
 
 
Coord arcsec 2000 184116.39+301741.0 Mag 8.03 Calc delta mag 0.33 Calc coord yes
CCDM
Ccdm 18413+3018 RComp Comp B Note1 *
Note2 Discov num STF2367 DRAs DDEs
R dRAs Year 1833 Theta Rho
Obs 99 Vmag 7.9 Sp PmNote
PmRA 25 PmDE -60 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11579 M ADS BDS N IDS IDS 18374N3012B
HIC 91636
 
 
18413+3018 C
 
 
Coord arcsec 2000 184116.17+301727.1 Mag 8.75 PmRA 2.00 PmDE -40.0
HIP 91635 Tycho2 2637-02286-1 Calc delta mag 1.05 Calc coord yes
Tycho2
Tycho2 2637-02286-1 Pflag RAmdeg 280.31721762 DEmdeg 30.29075782
PmRA 6.1 PmDE -41.8 E RAmdeg 9 E DEmdeg 10
E pmRA 1.7 E pmDE 1.6 EpRAm 1991.21 EpDEm 1990.98
Num 6 Q RAmdeg 1.4 Q DEmdeg 1.4 Q pmRA 1.4
Q pmDE 1.4 BTmag 9.433 E BTmag 0.020 VTmag 8.754
E VTmag 0.015 Prox 141 TYC T HIP 91635
CCDM C RAdeg 280.31720139 DEdeg 30.29085583 EpRA 1990 1.61
EpDE 1990 1.54 E RAdeg 8.5 E DEdeg 10.0 Posflg
Corr 0.1
Hipparcos
Catalog H HIP 91635 Proxy RAhms 18 41 16.13
DEdms +30 17 27.1 Vmag 6.91 VarFlag R Vmag H
RAdeg 280.317 DEdeg 30.2908 AstroRef C Plx 6.15
CCDM 18413+3018 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.61
SpType G5 R SpType Coord arcsec 2000 184116.13+301727.1
Hipparcos 2
HIP 91635 Sn 15 So 3 Nc 1
RArad 4.8924583346 DErad 0.5286750176 Plx 12.09 PmRA 1.46
PmDE -46.91 E RArad 1.63 E DErad 1.77 E Plx 2.35
E pmRA 1.71 E pmDE 2.1 Hpmag 7.0305 E Hpmag 0.0183
SHp 0.334 VA 0 BV 0.54 E BV 0.015
VI 0.61
CCDM
Ccdm 18413+3018 RComp Comp C Note1
Note2 Discov num STF2367 DRAs -1.87 DDEs -32.0
R dRAs 10 Year 1832 Theta 193 Rho 14.2
Obs 27 Vmag 8.6 Sp PmNote *
PmRA 4 PmDE -19 Dm number Cat1
Name2 +30 1742 Cat2 AGK2/3 HD M HD
ADS BDS A11579 M ADS BDS N IDS IDS 18374N3012C
HIC 91635
 
 
18413+3018 D
 
 
Coord arcsec 2000 184117.81+301743.2 Mag 12 PmRA -11.00 PmDE -7.0
Calc delta mag 4.3 Calc coord yes
CCDM
Ccdm 18413+3018 RComp Comp D Note1
Note2 Discov num STF2367 DRAs DDEs
R dRAs Year 1891 Theta 095 Rho 22.9
Obs 1 Vmag 11.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11579 M ADS BDS N IDS IDS 18374N3012D
HIC
 
 
18413+3018 E
 
 
Coord arcsec 2000 184113.05+302004.2 Mag 11 PmRA 1.00 PmDE -11.0
Calc delta mag 3.3 Calc coord yes
CCDM
Ccdm 18413+3018 RComp Comp E Note1
Note2 Discov num STF2367 DRAs DDEs
R dRAs Year 1880 Theta 341 Rho 149.4
Obs 2 Vmag 10.9 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11579 M ADS BDS N IDS IDS 18374N3012E
HIC
 
 
18413+3018 F
 
 
Coord arcsec 2000 184116.69+301658.8 Mag 15.1 Calc delta mag 7.4 Calc coord yes