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Doubles in session


Current system
11317+1422
STF 1547 AB
88 Leo


Nearby doubles
29' : 11336+1414
WIS 187

33' : 11338+1433
GWP1609

47' : 11341+1453
HDS1641

67' : 11330+1319
LDS4114

69' : 11362+1442
SKF1079

101' : 11349+1253
ZHN 18

102' : 11290+1555
HDS1629

104' : 11247+1410
SKF1078

109' : 11243+1410
HJ 180

111' : 11361+1251
STF1554

113' : 11243+1354
HDS1622AB

114' : 11333+1613
SLW 615

120' : 11277+1239
LEP 42

120' : 11384+1311
GWP1628

125' : 11380+1257
HJ 183

125' : 11403+1409
GWP1640

130' : 11324+1212
BGH 35

132' : 11404+1341
GWP1641

134' : 11263+1610
HEI 157

138' : 11327+1638
UC 2165

141' : 11306+1641
BRT1273

142' : 11252+1608
UC 2134AB

144' : 11302+1200
CVR 616

147' : 11326+1156
UC 2164

150' : 11363+1208
STF1556

151' : 11394+1604
GWP1633



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.

11317+1422 STF 1547 AB (88 Leo)

 
 
11h 31m 44.94s +14° 21' 52.2" P.A. 330.00 sep 15.7 mag 6.33,9.14 Sp G0V+G5 dist. 23.33 pc (76.1 l.y.)
 
 
Coord 2000 11317+1422 Discov num STF1547 Comp AB Coord arcsec 2000 11 31 44.94 +14 21 52.2
Date first 1782 Date last 2020 Obs 115
Pa first 318 Pa last 330.4 P.A. Now (θ) 330.4°
Sep first 14.6 Sep last 15.68 Sep. Now (ρ) 15.68"
Mag pri 6.33 Mag sec 9.14 delta mag (ΔM) 2.81 Spectral class G0V+G5 (yellow/yellow)
Pri motion ra -330 Sec motion ra -316
Pri motion dec -190 Sec motion dec -181
Notes N O V (See Notes, Orbital solution, Proper motion indicates physical)
rPM=0.044 (< 0.3, Physical double)
This double is physical.
 
 
11317+1422 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 99648 11 31 45 +14 21 52 WSI 101 Aa,Ab 2008 3 15 0.2 7.00 7.10 0.10
Show 88 Leo 99648 11 31 45 +14 21 52 STF 1547 AB 2020 115 330 15.7 6.33 9.14 2.81 Y <===
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name 88 Leo Constellation Leo SAO 99648 HIP 56242
Tycho2 0862-01208-1 HD 100180 HR 4437 GC 15811
ADS 8196 GL NN 3669A BD BD+15 2345 Flamsteed 88 Leonis
Flamsteed name 88 Leo Distance 23.33 Distance ly 76.1
 
 
ORBITAL ELEMENTS
 
 
Period (P)3453y Periastron (T)1228y Semi-major axis (a)16.25a
Eccentricity (e)0.2 Inclination (i)58° Longitude of periastron (ω)100°
Node (Ω)138° Notesn ReferenceHrt2013b
Equinox2000 Last observation2013 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 330.9 15.402
2001 331.0 15.399
2002 331.1 15.397
2003 331.1 15.394
2004 331.2 15.391
2005 331.2 15.389
2006 331.3 15.386
2007 331.4 15.383
2008 331.4 15.381
2009 331.5 15.378
2010 331.5 15.375
2011 331.6 15.372
2012 331.7 15.369
2013 331.7 15.367
2014 331.8 15.364
2015 331.8 15.361
2016 331.9 15.358
2017 332.0 15.355
2018 332.0 15.352
2019 332.1 15.348
2020 332.1 15.345
2021 332.2 15.342
2022 332.3 15.339
2023 332.3 15.336
2024 332.4 15.333
2025 332.4 15.329
2026 332.5 15.326
2027 332.6 15.323
2028 332.6 15.319
2029 332.7 15.316
2030 332.8 15.312


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


 
  


wds11317%2B1422a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11317+1422 STF 1547 AB (88 Leo) : NOTES
 
 
discov_num notes refcode
WSI 101 HIP 56242. Provisionally designated WSI9107. Hrt2008
Aa,Ab: 88 Leo. Aa,Ab could be a 'ghost' binary. Only 1 speckle res. Tok2014d
STF1547 AB: HJL 148. HJL1986
88 Leo.
AB: NLTT 27657/27656 Chm2004
AB: H 3 51. MEv2010
AB: B= LTT 13146, X-ray source Tok2014d
 
 
REFERENCES
 
 
refcode metd author reference
Chm2004 E - Chaname, J. & Gould, A. 2004ApJ...601..289C
Chm2004 ApJ 601, 289, 2004
Chm2004 (Photometry, coordinates, and astrometry from rNLTT. Astrometry from early
Chm2004 versions of 2MASS and UCAC, with date given only as "circa 2000". Measures
Chm2004 identical to discovery observations - predominantly close pairs - were assumed
Chm2004 not new observations, so not included in WDS. Similar concerns when primary and
Chm2004 secondary magnitudes or proper motions were the same.)
HJL1986 Pa - Halbwachs, J.L. 1986A&AS...66..131H
HJL1986 A&AS 66, 131, 1986
HJL1986 (Possible CPM pairs from AGK2/3. Coarse astrometry, incl. mean 1950 dates, added
HJL1986 only for previously unknown pairs. Table 1: HJL 1 - 326, Table 2: HJL1001 - 1113)
Hrt2008 Su j Hartkopf, W.I., Mason, B.D., & Rafferty, T. 2008AJ....135.1334H
Hrt2008 +orb AJ 135, 1334, 2008
Hrt2013b orb - Hartkopf, W.I. & Mason, B.D. 2013IAUDS.181....1H
Hrt2013b +lin Inf. Circ. 181, 1, 2013
MEv2010 - MacEvoy, B. ...................
MEv2010 private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Tok2014d E2 - Tokovinin, A. 2014AJ....147...86T
Tok2014d AJ 147, 86, 2014
 
 
DISCOVERER
 
 
idgroup discov author
1 STF Struve, F.G.W.
34 WSI Douglass, G.G., Hindsley, R.B., & Worley, C.E.
43 WSI Mason, B.D., Hartkopf, W.I., Holdenried, E.R., Rafferty, T.J., Wycoff, G.L.,
43 WSI Hennessy, G.S., Hall, D.M., Urban, S.E., et al.
46 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Holdenried, E.R., Platais, I.,
46 WSI Rafferty, T.J., Hall, D.M., Hennessy, G.S., et al.
47 WSI Mason, B.D., Hartkopf, W.I., Urban, S.E., Wycoff, G.L., Pascu, D., Hall, D.M.,
47 WSI Hennessy, G.S., Platais, I., et al.
48 WSI Mason, B.D., Hartkopf, W.I., Wycoff, G.L., Pascu, D., Urban, S.E., Hall, D.M.,
48 WSI Hennessy, G.S., Rafferty, T.J., et al.
75 WSI Mason, B.D., Hartkopf, W.I., Bredthauer, G., Ferguson, E.W., Finch, C.T., Kilian,
75 WSI C.M., Rafferty, T.J., Ragan, T.J. & Wieder, G.D.
85 WSI Mason, B.D., Williams, S.J., Matson, R.A., Josties, J.D., Eakens, P.D., Justice,
85 WSI M., Kilian, C.M. & Warner, R.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11317+1422 STF1547 AB 2007 96 331 15.3 6.33 9.14 G0IV N DV 113144.94+142152.2
11317+1422 STF1547 AB 2011 100 331 15.7 6.33 9.14 G0IV NVD 113144.94+142152.2
11317+1422 STF1547 AB 2012 102 331 15.5 6.33 9.14 G0IV NVD 113144.94+142152.2
11317+1422 STF1547 AB 2013 103 331 15.4 6.33 9.14 G0IV NVD 113144.94+142152.2
11317+1422 STF1547 AB 2014 104 331 15.5 6.33 9.14 G0IV NODV 113144.94+142152.2
11317+1422 STF1547 AB 2015 107 332 15.7 6.33 9.14 G0V+G5 NO V 113144.94+142152.2
11317+1422 STF1547 AB 2017 108 332 15.5 6.33 9.14 G0V+G5 NO V 113144.94+142152.2
11317+1422 STF1547 AB 2020 115 330 15.7 6.33 9.14 G0V+G5 NO V 113144.94+142152.2

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

 
 
WDS 11317+1422 STF 1547 AB (88 Leo) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11317+1422 STF 1547 AB (88 Leo) : MEASURES
 
 
No records found.

 
 
WDS 11317+1422 (88 Leo) : VIRTUAL EYEPIECE
 
 

11317+1422 STF1547A mag 6.33 Sp G0V 11317+1422 WSI 101Ab sep 0.2 P.A. 14.20 mag 7.1 11317+1422 STF1547B sep 15.6 P.A. 331.20 mag 9.14 Sp G5 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 11317+1422 (88 Leo) : ALADIN DSS IMAGE @ 11h 31m 44.94s +14° 21' 52.2"
 
 
 
 
WDS 11317+1422 STF 1547 AB (88 Leo) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11317+1422 STF1547AB distance=0' 11336+1414 WIS 187 distance=29' 11338+1433 GWP1609 distance=33' 11341+1453 HDS1641 distance=47' 11330+1319 LDS4114 distance=67' 11362+1442 SKF1079 distance=69' 11349+1253 ZHN 18 distance=101' 11290+1555 HDS1629 distance=102' 11247+1410 SKF1078 distance=104' 11243+1410 HJ 180 distance=109' 11361+1251 STF1554 distance=111' 11243+1354 HDS1622AB distance=113' 11243+1354 TOK 545AC distance=113' 11243+1354 TOK 545AD distance=113' 11333+1613 SLW 615 distance=114' 11277+1239 LEP 42 distance=120' 11384+1311 GWP1628 distance=120' 11380+1257 HJ 183 distance=125' 11403+1409 GWP1640 distance=125' 11324+1212 BGH 35 distance=130' 11404+1341 GWP1641 distance=132' 11263+1610 HEI 157 distance=134' 11327+1638 UC 2165 distance=138' 11306+1641 BRT1273 distance=141' 11252+1608 UC 2134AB distance=142' 11252+1608 HEI 156BC distance=142' 11302+1200 CVR 616 distance=144' 11326+1156 UC 2164 distance=147' 11363+1208 STF1556 distance=150' 11394+1604 GWP1633 distance=151' 11420+1447 CRC 19 distance=152' 11347+1648 STF1552BC distance=153' 11347+1648 STF1552AB distance=153' 11347+1648 STF1552AC distance=153' 11260+1213 YSC 41AB distance=154' 11260+1213 GII 174Aa,Ab distance=154' 11256+1627 HJ 4433AB distance=154' 11256+1627 SHY 224AC distance=154' 11411+1536 BRT1274 distance=155' 11210+1413 CVR1360 distance=157' 11340+1657 CBL 345 distance=159' 11424+1459 KPP2222 distance=160' 11296+1138 HJ 2572 distance=167' 11208+1515 LDS4085 distance=168' 11391+1635 CBL 552 distance=171' 11369+1146 GWP1624 distance=174' 11367+1138 J 2082 distance=180' 11437+1331 HJ 2583 distance=182' 11352+1128 HJ 182 distance=182' 11381+1701 GWP1626 distance=184' 11216+1231 FMR 219 distance=186' 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 11317+1422 STF1547 AB 330 15.7
Show 11317+1422 WSI 101 Aa,Ab 15 0.2
Show 11336+1414 WIS 187 357 47.7 29
Show 11338+1433 GWP1609 135 69.9 33
Show 11341+1453 HDS1641 248 0.4 47
Show 11330+1319 LDS4114 135 22.8 67
Show 11362+1442 SKF1079 90 58.6 69
Show 11349+1253 ZHN 18 214 530.5 101
Show 11290+1555 HDS1629 341 0.5 102
Show 11247+1410 SKF1078 182 0.8 104
Show 11243+1410 HJ 180 43 25.7 109
Show 11361+1251 STF1554 215 0.3 111
Show 11243+1354 HDS1622 AB 39 0.7 113
Show 11243+1354 TOK 545 AC 203 926.7 113
Show 11243+1354 TOK 545 AD 137 999.9 113
Show 11333+1613 SLW 615 171 132.4 114
Show 11277+1239 LEP 42 350 16.9 120
Show 11384+1311 GWP1628 226 79.1 120
Show 11380+1257 HJ 183 13 102.8 125
Show 11403+1409 GWP1640 4 4.8 125
Show 11324+1212 BGH 35 106 395.5 130
Show 11404+1341 GWP1641 119 55.4 132
Show 11263+1610 HEI 157 157 1.6 134
Show 11327+1638 UC 2165 353 16.7 138
Show 11306+1641 BRT1273 196 5.3 141
Show 11252+1608 UC 2134 AB 45 24.8 142
Show 11252+1608 HEI 156 BC 159 1.7 142
Show 11302+1200 CVR 616 145 16.7 144
Show 11326+1156 UC 2164 10 39.2 147
Show 11363+1208 STF1556 52 9.1 150
Show 11394+1604 GWP1633 42 13.7 151
Show 11420+1447 CRC 19 98 7.3 152
Show 11347+1648 STF1552 BC 236 60.2 153
Show 11347+1648 STF1552 AB 209 3.1 153
Show 11347+1648 STF1552 AC 235 63.4 153
Show 11260+1213 YSC 41 AB 280 1.2 154
Show 11260+1213 GII 174 Aa,Ab 84 0.4 154
Show 11256+1627 HJ 4433 AB 6 55.4 154
Show 11256+1627 SHY 224 AC 207 999.9 154
Show 11411+1536 BRT1274 330 2.5 155
Show 11210+1413 CVR1360 14 4.0 157
Show 11340+1657 CBL 345 329 64.6 159
Show 11424+1459 KPP2222 67 18.4 160
Show 11296+1138 HJ 2572 171 38.9 167
Show 11208+1515 LDS4085 172 46.3 168
Show 11391+1635 CBL 552 212 8.2 171
Show 11369+1146 GWP1624 336 61.5 174
Show 11367+1138 J 2082 182 7.7 180
Show 11437+1331 HJ 2583 62 33.4 182
Show 11352+1128 HJ 182 263 16.7 182
Show 11381+1701 GWP1626 41 11.8 184

 
 
WDS 11317+1422 : COMPONENTS
 
 
  A Ab
Ab pa=14.2°
sep=0.22"
 
B pa=331.2°
sep=15.56"
pa=330.6°
sep=15.40"
 
 
11317+1422 A
 
 
Name 88 Leo Coord arcsec 2000 113144.94+142152.2 Mag 6.33 Spectral class G0V (yellow)
PmRA -330.00 PmDE -190.0 SAO 99648 HIP 56242
Tycho2 0862-01208-1 HD 100180 HR 4437 GC 15811
BD BD+15 2345 Flamsteed 88 Leonis Flamsteed name 88 Leo
Tycho2
Tycho2 0862-01208-1 Pflag RAmdeg 172.93726979 DEmdeg 14.36450259
PmRA -328.4 PmDE -190.1 E RAmdeg 4 E DEmdeg 6
E pmRA 1.0 E pmDE 0.9 EpRAm 1991.57 EpDEm 1990.96
Num 16 Q RAmdeg 1.0 Q DEmdeg 1.3 Q pmRA 1.0
Q pmDE 1.4 BTmag 6.960 E BTmag 0.016 VTmag 6.331
E VTmag 0.011 Prox 155 TYC T HIP 56242
CCDM A RAdeg 172.93803361 DEdeg 14.36494444 EpRA 1990 1.89
EpDE 1990 1.63 E RAdeg 4.0 E DEdeg 5.5 Posflg
Corr -0.2
SAO
SAO 99648 DelFlag RA1950 PmRA1950 -0.0228
DE1950 PmDE1950 -0.194 Vmag 6.1 SpType G0
Double code Source 70 CatNum 15811 DM BD+15 2345
DMcomp A BDsup HD 100180 M HD 0
GC 15811 RA1950rad 3.00706346 DE1950rad 0.25557195 PmRA2000 -0.0227
PmDE2000 -0.189
Hipparcos
Catalog H HIP 56242 Proxy RAhms 11 31 45.14
DEdms +14 21 53.9 Vmag 6.27 VarFlag R Vmag G
RAdeg 172.938 DEdeg 14.365 AstroRef A Plx 43.42
CCDM 11317+1422 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 330 Rho 15.484 HD 100180 BD BD+15 2345
CD CP Dm number +15 2345 VIred 0.64
SpType G0V R SpType Coord arcsec 2000 113145.14+142153.9
Hipparcos 2
HIP 56242 Sn 15 So 3 Nc 2
RArad 3.0183391206 DErad 0.2507159147 Plx 42.87 PmRA -329.26
PmDE -190.01 E RArad 1.12 E DErad 0.82 E Plx 1.22
E pmRA 1.28 E pmDE 0.98 Hpmag 6.3937 E Hpmag 0.0074
SHp 0.021 VA 0 BV 0.57 E BV 0
VI 0.64
CCDM
Ccdm 11317+1422 RComp Comp A Note1
Note2 Discov num DRAs 2.95 DDEs -7.3
R dRAs 10 Year Theta Rho
Obs 2 Vmag 6.4 Sp G0 PmNote *
PmRA -329 PmDE -184 Dm number +15 2345 Cat1 BD
Name2 +14 1209 Cat2 AGK2/3 HD 100180 M HD
ADS BDS A 8196 M ADS BDS N IDS IDS 11266N1455A
HIC 56242
 
 
11317+1422 Ab
 
 
Coord arcsec 2000 113144.94+142152.4 Mag 7.1 Calc delta mag 0.1 Calc coord yes
 
 
11317+1422 B
 
 
Coord arcsec 2000 113144.42+142205.8 Mag 9.14 Spectral class G5 (yellow) PmRA -316.00
PmDE -181.0 Calc delta mag 2.14 Calc coord yes
CCDM
Ccdm 11317+1422 RComp Comp B Note1
Note2 Discov num STF1547 DRAs 2.43 DDEs 6.0
R dRAs 91 Year 1958 Theta 328 Rho 15.4
Obs 99 Vmag 8.4 Sp PmNote *
PmRA -315 PmDE -176 Dm number Cat1
Name2 +14 1208 Cat2 AGK2/3 HD M HD
ADS BDS A 8196 M ADS BDS N IDS IDS 11266N1455B
HIC