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Current system
18099+0307
YSC 132 Aa,Ab


Nearby doubles
16' : 18090+0315
BAL2477

21' : 18097+0247
BAL1955

23' : 18106+0327
BAL2481

29' : 18084+0325
BAL2475

33' : 18103+0235
STF2287AB

35' : 18077+0317
AG 216

35' : 18121+0258
GRV 231

36' : 18076+0314
SLE 85

37' : 18104+0232
STF2288

42' : 18080+0337
ARY 2AB

43' : 18106+0349
FOX 220

46' : 18081+0343
BAL2474

48' : 18097+0354
BAL2478

48' : 18105+0354
DOO 70

50' : 18128+0243
BAL1958

52' : 18083+0230
BAL1953AB

53' : 18096+0400
STF2281AB

53' : 18080+0222
WLY 9

53' : 18130+0243
BAL1959AB

55' : 18074+0227
BAL1951

56' : 18076+0224
BAL1952

57' : 18065+0331
SLE 84

59' : 18103+0209
DAL 18AB

60' : 18129+0228
HEI 559

60' : 18088+0404
BAL2915

61' : 18081+0213
BU 636AB



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.

18099+0307 YSC 132 Aa,Ab

 
 
18h 09m 54.01s +03° 07' 13.1" P.A. 357.00 sep 0.0 mag 6.10,7.10 Sp F7V+F7.5V dist. 46.93 pc (153.09 l.y.)
 
 
Coord 2000 18099+0307 Discov num YSC 132 Comp Aa,Ab Coord arcsec 2000 18 09 54.01 +03 07 13.1
Date first 2008 Date last 2021 Obs 21
Pa first 320 Pa last 357.2 P.A. Now (θ) 357.2°
Sep first 0.0 Sep last 0.012 Sep. Now (ρ) 0.012"
Mag pri 6.10 Mag sec 7.10 delta mag (ΔM) 1 Spectral class F7V+F7.5V (yellow-white/yellow-white)
Pri motion ra +014 Sec motion ra
Pri motion dec -193 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
18099+0307 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 123198 18 09 54 +03 07 13 YSC 132 Aa,Ab 2021 21 357 0.0 6.10 7.10 1.00 Y <===
Show HD 166285 123198 18 09 54 +03 07 13 BU 637 AB 2016 14 191 7.2 5.69 11.70 6.01
Show 123198 18 09 54 +03 07 13 BU 637 AC 2000 6 245 98.2 5.69 10.90 5.21
Quadruple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Ophiuchus SAO 123198 HIP 89000 Tycho2 0435-04799-1
Gaia DR2 4469921487441710208 HD 166285 HR 6797 ADS 11113
BD BD+03 3613 Distance 46.93 Distance ly 153.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)0.54643y± 0.00006 Periastron (T)1990.675y± 0.001 Semi-major axis (a)0.019a± 0.0005
Eccentricity (e)0.302± 0.002 Inclination (i)146.3°± 1.3 Longitude of periastron (ω)86.65°± 0.27
Node (Ω)51.2°± 2.4 Notesn ReferenceMdz2017
Equinox2000 Last observation Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 275.4 0.013
2001 34.1 0.015
2002 89.0 0.020
2003 131.7 0.020
2004 172.8 0.021
2005 215.4 0.019
2006 288.5 0.012
2007 42.4 0.016
2008 94.1 0.020
2009 136.5 0.021
2010 177.5 0.021
2011 221.0 0.019
2012 303.5 0.011
2013 49.9 0.017
2014 99.1 0.020
2015 141.3 0.021
2016 182.2 0.021
2017 227.0 0.018
2018 319.8 0.011
2019 56.8 0.018
2020 104.1 0.020
2021 146.1 0.021
2022 186.9 0.021
2023 233.5 0.017
2024 336.3 0.011
2025 63.1 0.018
2026 109.1 0.020
2027 150.8 0.021
2028 191.7 0.021
2029 240.6 0.016
2030 351.8 0.012


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


 
  


wds18099%2B0307e.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 18099+0307 YSC 132 Aa,Ab : NOTES
 
 
discov_num notes refcode
YSC 132 Aa,Ab: For the Horch et al. (2015) combined solution, spectroscopic
elements are fixed to those of Griffin (1999). Assigned spectral types Grf1999d
for Aa and Ab are F7V and F7.5V; derived masses 1.26 and 1.23 Msun. Hor2015
Aa,Ab: SB2, P=199.55d Tok2014d
BU 637 AB: A is a spectroscopic binary.
HIP 89000. See Allen et al. (2000) for information on metallicity, AlC2000
age, galactic orbital parameters, etc.
 
 
REFERENCES
 
 
refcode metd author reference
AlC2000 Po - Allen, C., Poveda, A., & Herrera, M 2000A&A...356..529A
AlC2000 A&A 356, 529, 2000
Grf1999d orb - Griffin, R.F. 1999Obs...119...81G
Grf1999d Observatory 119, 81, 1999
Hor2015 S j Horch, E.P., van Altena, W.F., Demargue, P., Howell, S.B., Everett, M.E., 2015AJ....149..151H
Hor2015 +orb Ciardi, D.R., Teske, J.K., Henry, T.J., & Winters, J.G.
Hor2015 AJ 149, 151, 2015
Mdz2017 orb - Mendez, R.A., Claveria, R.M., Orchard, M.E., & Silva, J.F. 2017AJ....154..187M
Mdz2017 AJ 154, 187, 2017
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 YSC Yale-Southern Connecticut (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
18099+0307 YSC 132 Aa,Ab 2008 1 320 0.0 6.10 7.10 F5V N D 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2012 3 89 0.0 6.10 7.10 F5V N D 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2014 7 91 0.0 6.10 7.10 F7V F7.5V NO 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2015 9 33 0.0 6.10 7.10 F7V+F7.5V NO 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2018 13 151 0.0 6.10 7.10 F7V+F7.5V NO 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2019 18 345 0.0 6.10 7.10 F7V+F7.5V NO 180954.01+030713.1
18099+0307 YSC 132 Aa,Ab 2021 21 357 0.0 6.10 7.10 F7V+F7.5V NO 180954.01+030713.1

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

 
 
WDS 18099+0307 YSC 132 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 18099+0307 YSC 132 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 18099+0307 : VIRTUAL EYEPIECE
 
 

18099+0307 BU 637A mag 5.69 Sp F6V 18099+0307 YSC 132Ab mag 7.1 Sp F7.5V 18099+0307 BU 637B sep 7.2 P.A. 191.30 mag 11.7 Sp K3 18099+0307 BU 637C sep 98.1 P.A. 245.20 mag 10.9 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 18099+0307 : ALADIN DSS IMAGE @ 18h 09m 54.01s +03° 07' 13.1"
 
 
 
 
WDS 18099+0307 YSC 132 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

18099+0307 YSC 132Aa,Ab distance=0' 18090+0315 BAL2477 distance=16' 18097+0247 BAL1955 distance=21' 18106+0327 BAL2481 distance=23' 18084+0325 BAL2475 distance=29' 18103+0235 STF2287AB distance=33' 18103+0235 BU 638AD distance=33' 18103+0235 BU 638AE distance=33' 18103+0235 BU 638BC distance=34' 18077+0317 AG 216 distance=35' 18121+0258 GRV 231 distance=35' 18076+0314 SLE 85 distance=36' 18104+0232 STF2288 distance=37' 18080+0337 ARY 2AB distance=42' 18080+0337 ARY 2AC distance=42' 18106+0349 FOX 220 distance=43' 18081+0343 BAL2474 distance=46' 18097+0354 BAL2478 distance=48' 18105+0354 DOO 70 distance=48' 18128+0243 BAL1958 distance=50' 18083+0230 BAL1953AB distance=52' 18083+0230 NYS 7BC distance=52' 18096+0400 STF2281AB distance=53' 18096+0400 STF2281AB,C distance=53' 18080+0222 WLY 9 distance=53' 18130+0243 BAL1959AB distance=53' 18130+0243 BAL1959AC distance=53' 18130+0243 BAL1959BC distance=53' 18074+0227 BAL1951 distance=55' 18076+0224 BAL1952 distance=56' 18065+0331 SLE 84 distance=57' 18103+0209 DAL 18AB distance=59' 18103+0209 DAL 18AC distance=59' 18129+0228 HEI 559 distance=60' 18088+0404 BAL2915 distance=60' 18081+0213 BU 636AB distance=61' 18081+0213 BU 636AC distance=61' 18081+0213 BU 636AD distance=61' 18081+0213 GII 259Aa,Ab distance=61' 18083+0209 BAL1954 distance=64' 18128+0356 J 3270 distance=65' 18139+0332 TDT 750 distance=65' 18098+0412 BAL2916 distance=65' 18057+0326 BAL2472 distance=66' 18055+0311 HEI 257 distance=67' 18121+0207 BAL1957 distance=69' 18144+0251 BAL1960 distance=70' 18107+0417 BAL2917 distance=71' 18117+0200 BAL1499 distance=73' 18049+0311 BAL2471 distance=76' 18150+0304 SLE 145 distance=77' 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 18099+0307 BU 637 AB 191 7.2
Show 18099+0307 BU 637 AC 245 98.2
Show 18099+0307 YSC 132 Aa,Ab 357 0.0
Show 18090+0315 BAL2477 162 18.8 16
Show 18097+0247 BAL1955 174 28.4 21
Show 18106+0327 BAL2481 108 10.7 23
Show 18084+0325 BAL2475 88 5.5 29
Show 18103+0235 STF2287 AB 153 22.9 33
Show 18103+0235 BU 638 AD 222 59.7 33
Show 18103+0235 BU 638 AE 344 13.7 33
Show 18103+0235 BU 638 BC 4 1.8 34
Show 18077+0317 AG 216 91 2.4 35
Show 18121+0258 GRV 231 181 50.7 35
Show 18076+0314 SLE 85 181 11.3 36
Show 18104+0232 STF2288 58 15.9 37
Show 18080+0337 ARY 2 AB 359 92.3 42
Show 18080+0337 ARY 2 AC 54 116.2 42
Show 18106+0349 FOX 220 74 6.0 43
Show 18081+0343 BAL2474 280 15.8 46
Show 18097+0354 BAL2478 108 11.9 48
Show 18105+0354 DOO 70 135 7.7 48
Show 18128+0243 BAL1958 140 3.9 50
Show 18083+0230 BAL1953 AB 122 17.1 52
Show 18083+0230 NYS 7 BC 84 16.0 52
Show 18096+0400 STF2281 AB 282 0.8 53
Show 18096+0400 STF2281 AB,C 194 68.0 53
Show 18080+0222 WLY 9 94 16.4 53
Show 18130+0243 BAL1959 AB 31 23.1 53
Show 18130+0243 BAL1959 AC 66 15.4 53
Show 18130+0243 BAL1959 BC 171 13.8 53
Show 18074+0227 BAL1951 251 3.2 55
Show 18076+0224 BAL1952 153 13.5 56
Show 18065+0331 SLE 84 179 20.3 57
Show 18103+0209 DAL 18 AB 274 12.5 59
Show 18103+0209 DAL 18 AC 314 45.0 59
Show 18129+0228 HEI 559 173 0.8 60
Show 18088+0404 BAL2915 166 20.3 60
Show 18081+0213 BU 636 AB 120 1.4 61
Show 18081+0213 BU 636 AC 93 11.7 61
Show 18081+0213 BU 636 AD 348 40.8 61
Show 18081+0213 GII 259 Aa,Ab 168 0.1 61
Show 18083+0209 BAL1954 226 13.6 64
Show 18128+0356 J 3270 232 4.8 65
Show 18139+0332 TDT 750 97 0.7 65
Show 18098+0412 BAL2916 122 6.6 65
Show 18057+0326 BAL2472 85 3.6 66
Show 18055+0311 HEI 257 331 1.7 67
Show 18121+0207 BAL1957 231 8.7 69
Show 18144+0251 BAL1960 176 13.8 70
Show 18107+0417 BAL2917 258 19.7 71
Show 18117+0200 BAL1499 151 6.3 73

 
 
WDS 18099+0307 : COMPONENTS
 
 
  A Ab B
Ab pa=357.2°
sep=0.01"
 
B pa=191.3°
sep=7.17"
pa=191.3°
sep=7.18"
 
C pa=245.2°
sep=98.06"
pa=245.2°
sep=98.07"
pa=248.7°
sep=94.02"
 
 
18099+0307 A
 
 
Name HD 166285 Coord arcsec 2000 180954.01+030713.1 Mag 5.69 Spectral class F6V (yellow-white)
PmRA 19.00 PmDE -192.0 SAO 123198 HIP 89000
Tycho2 0435-04799-1 HD 166285 HR 6797 GC 24764
ADS 11113 BD BD+03 3613
Tycho2
Tycho2 0435-04799-1 Pflag RAmdeg 272.47505934 DEmdeg 3.11982892
PmRA 14.8 PmDE -192.8 E RAmdeg 4 E DEmdeg 4
E pmRA 1.0 E pmDE 1.0 EpRAm 1991.47 EpDEm 1991.38
Num 14 Q RAmdeg 0.5 Q DEmdeg 0.5 Q pmRA 0.5
Q pmDE 0.5 BTmag 6.213 E BTmag 0.015 VTmag 5.721
E VTmag 0.009 Prox 999 TYC T HIP 89000
CCDM RAdeg 272.47502528 DEdeg 3.12027667 EpRA 1990 1.74
EpDE 1990 1.64 E RAdeg 3.7 E DEdeg 4.1 Posflg
Corr 0.1
SAO
SAO 123198 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.192 Vmag 5.7 SpType F5
Double code Source 70 CatNum 24764 DM BD+03 3613
DMcomp BDsup HD 166285 M HD 0
GC 24764 RA1950rad 4.74466459 DE1950rad 0.05431411 PmRA2000 0.0014
PmDE2000 -0.192
Hipparcos
Catalog H HIP 89000 Proxy RAhms 18 09 54.01
DEdms +03 07 13.1 Vmag 5.67 VarFlag R Vmag H
RAdeg 272.475 DEdeg 3.1203 AstroRef Plx 21.3
CCDM 18099+0307 N CCDM I Nsys 1 Ncomp 1
MultFlag Source Qual M HIP
Theta Rho HD 166285 BD BD+03 3613
CD CP Dm number +03 3613 VIred 0.54
SpType F5V R SpType Coord arcsec 2000 180954.01+030713.1
Hipparcos 2
HIP 89000 Sn 5 So 0 Nc 1
RArad 4.7555862814 DErad 0.0544594547 Plx 21.31 PmRA 14.18
PmDE -192.66 E RArad 0.28 E DErad 0.22 E Plx 0.31
E pmRA 0.34 E pmDE 0.26 Hpmag 5.7738 E Hpmag 0.0008
SHp 0.006 VA 0 BV 0.49 E BV 0.005
VI 0.56
CCDM
Ccdm 18099+0307 RComp Comp A Note1
Note2 Discov num DRAs 0.02 DDEs 11.5
R dRAs 10 Year Theta Rho
Obs 3 Vmag 5.7 Sp F5 PmNote *
PmRA 19 PmDE -192 Dm number +03 3613 Cat1 BD
Name2 +03 2212 Cat2 AGK2/3 HD 166285 M HD
ADS BDS A11113 M ADS BDS N IDS IDS 18049N0306A
HIC 89000
 
 
18099+0307 Ab
 
 
Coord arcsec 2000 180954.01+030713.1 Mag 7.1 Spectral class F7.5V (yellow-white) Calc delta mag 1
Calc coord yes
 
 
18099+0307 B
 
 
Coord arcsec 2000 180953.92+030706.1 Mag 11.7 Spectral class K3 (yellow-orange) Calc delta mag 5.6
Calc coord yes
CCDM
Ccdm 18099+0307 RComp Comp B Note1
Note2 Discov num BU 637 DRAs DDEs
R dRAs Year 1878 Theta 194 Rho 7.3
Obs 8 Vmag 11.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11113 M ADS BDS N IDS IDS 18049N0306B
HIC 89000
 
 
18099+0307 C
 
 
Coord arcsec 2000 180948.07+030631.9 Mag 10.9 PmRA 2.00 PmDE -6.0
Calc delta mag 4.8 Calc coord yes
CCDM
Ccdm 18099+0307 RComp Comp C Note1
Note2 Discov num BU 637 DRAs DDEs
R dRAs Year 1924 Theta 238 Rho 103.5
Obs 2 Vmag 10.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A11113 M ADS BDS N IDS IDS 18049N0306C
HIC