11297-0619 A 7 (HD 99917)

 
 
11h 29m 43.17s -06° 18' 31.3" P.A. 134.00 sep 0.2 mag 9.70,9.70 Sp F8
 
 
Coord 2000 11297-0619 Discov num A     7 Comp Coord arcsec 2000 11 29 43.17 -06 18 31.3
Date first 1899 Date last 2018 Obs 20
Pa first 264 Pa last 134.1 P.A. Now (θ) 134.1°
Sep first 0.5 Sep last 0.165 Sep. Now (ρ) 0.165"
Mag pri 9.70 Mag sec 9.70 delta mag (ΔM) 0 Spectral class F8 (yellow-white)
Pri motion ra -014 Sec motion ra
Pri motion dec -012 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 99917 Constellation Leo SAO 138235 Tycho2 4929-01083-1
Gaia DR2 3785426983187269632 HD 99917 ADS 8182
 
 
ORBITAL ELEMENTS
 
 
Period (P)204.32y± 11.2 Periastron (T)2050.54y± 19.37 Semi-major axis (a)0.447a± 0.077
Eccentricity (e)0.656± 0.017 Inclination (i)105.1°± 5.8 Longitude of periastron (ω)59.8°± 13.4
Node (Ω)93.3°± 4.9 Notes ReferenceTok2015c
Equinox2000 Last observation2014 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 188.6 0.157
2001 185.8 0.155
2002 182.8 0.153
2003 179.9 0.152
2004 176.8 0.151
2005 173.8 0.150
2006 170.7 0.150
2007 167.6 0.150
2008 164.5 0.150
2009 161.5 0.151
2010 158.5 0.152
2011 155.5 0.154
2012 152.6 0.156
2013 149.8 0.158
2014 147.0 0.160
2015 144.4 0.163
2016 141.8 0.165
2017 139.3 0.168
2018 136.9 0.172
2019 134.6 0.175
2020 132.4 0.179
2021 130.3 0.182
2022 128.2 0.186
2023 126.3 0.190
2024 124.4 0.193
2025 122.6 0.197
2026 120.8 0.201
2027 119.1 0.204
2028 117.5 0.207
2029 115.9 0.211
2030 114.4 0.214


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



 
 


wds11297-0619a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
 
WDS 11297-0619 A 7 (HD 99917) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2015c orb+j Tokovinin, A., Mason, B.D., Hartkopf, W.I., Mendez, R.A., & Horch, E.P. 2015AJ....150...50T
Tok2015c +St AJ 150, 50, 2015 (some measures corrected in Tok2017b) 2017AJ....154..110T
 
 
DISCOVERER
 
 
idgroup discov author
1 A Aitken, R.G.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11297-0619 A 7 1995 18 202 0.2 9.70 9.70 F8 O 112943.17-061831.3
11297-0619 A 7 2014 19 146 0.2 9.70 9.70 F8 O 112943.17-061831.3
11297-0619 A 7 2018 20 134 0.2 9.70 9.70 F8 O 112943.17-061831.3

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

 
 
WDS 11297-0619 A 7 (HD 99917) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11297-0619 A 7 (HD 99917) : MEASURES
 
 
No records found.

 
 
WDS 11297-0619 (HD 99917) : VIRTUAL EYEPIECE
 
 

11297-0619 A     7A mag 9.7 Sp F8 11297-0619 A     7B sep 0.2 P.A. 134.30 mag 9.7 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 11297-0619 (HD 99917) : ALADIN DSS IMAGE @ 11h 29m 43.17s -06° 18' 31.3"
 
 
 
 
WDS 11297-0619 A 7 (HD 99917) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only


11297-0619  A     7 distance=1' 11284-0640  CVR1367 distance=30' 11309-0643  STF3072 distance=30' 11286-0652  BRT 434 distance=38' 11263-0636  GWP1586 distance=54' 11317-0529  GWP1600 distance=58' 11313-0522  CVR 617 distance=62' 11269-0532  KPP 638 distance=64' 11325-0524  A    71 distance=69' 11349-0601  UC 2168 distance=80' 11299-0458  HJ 2573 distance=82' 11333-0721  GWP1605 distance=83' 11244-0555  TOK 141AB distance=84' 11244-0555  DEA  47AC distance=84' 11326-0506  RST4482 distance=85' 11347-0535  A    72 distance=86' 11315-0740  GWP1599 distance=86' 11250-0709  GWP1581 distance=87' 11271-0736  SLW 601 distance=88' 11260-0449  GWP1585 distance=106' 11292-0427  A    70 distance=112' 11255-0751  A   137 distance=112' 11308-0427  GWP1597 distance=113' 11238-0728  LDS4094 distance=114' 11359-0503  A    73 distance=120' 11228-0726  AHD  21 distance=124' 11324-0821  SKF  37 distance=130' 11334-0420  GWP1606 distance=131' 11270-0824  GWP1587 distance=133' 11237-0442  RST4475 distance=133' 11281-0829  KPP 657 distance=133' 11251-0425  GWP1583 distance=134' 11213-0527  KPP2064 distance=136' 11245-0423  STF3070AB distance=140' 11209-0518  GWP1574 distance=145' 11317-0845  CBL 343 distance=150' 11248-0829  TDS7844 distance=151' 11197-0654  STF1530AB distance=153' 11336-0841  LDS4116AB distance=154' 11294-0343  A     6AB distance=156' 11370-0427  GWP1625 distance=156' 11273-0852  A   138 distance=158' 11404-0606  ROE  73AB distance=161' 11404-0606  ROE  73AC distance=161' 11404-0606  ROE  73AD distance=161' 11231-0403  RST4474 distance=169' 11273-0333  RST4478 distance=170' 11321-0332  RST4480BC distance=171' 11321-0332  STF1548A,BC distance=171' 11314-0329  SLW 612 distance=171' 11194-0734  A   136 distance=172' 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 11297-0619 A 7 134 0.2 1
Show 11284-0640 CVR1367 175 3.7 30
Show 11309-0643 STF3072 331 10.0 30
Show 11286-0652 BRT 434 29 4.7 38
Show 11263-0636 GWP1586 65 33.5 54
Show 11317-0529 GWP1600 277 121.9 58
Show 11313-0522 CVR 617 106 11.1 62
Show 11269-0532 KPP 638 43 5.8 64
Show 11325-0524 A 71 240 2.3 69
Show 11349-0601 UC 2168 143 27.3 80
Show 11299-0458 HJ 2573 19 7.9 82
Show 11333-0721 GWP1605 168 19.5 83
Show 11244-0555 TOK 141 AB 190 17.4 84
Show 11244-0555 DEA 47 AC 44 37.2 84
Show 11326-0506 RST4482 36 1.3 85
Show 11347-0535 A 72 199 2.2 86
Show 11315-0740 GWP1599 77 24.3 86
Show 11250-0709 GWP1581 297 12.1 87
Show 11271-0736 SLW 601 355 105.1 88
Show 11260-0449 GWP1585 205 22.2 106
Show 11292-0427 A 70 349 4.6 112
Show 11255-0751 A 137 99 0.5 112
Show 11308-0427 GWP1597 314 12.6 113
Show 11238-0728 LDS4094 306 15.6 114
Show 11359-0503 A 73 322 0.6 120
Show 11228-0726 AHD 21 38 11.8 124
Show 11324-0821 SKF 37 119 6.9 130
Show 11334-0420 GWP1606 35 98.9 131
Show 11270-0824 GWP1587 287 93.4 133
Show 11237-0442 RST4475 131 0.6 133
Show 11281-0829 KPP 657 272 5.9 133
Show 11251-0425 GWP1583 344 34.1 134
Show 11213-0527 KPP2064 151 16.6 136
Show 11245-0423 STF3070 AB 277 8.8 140
Show 11209-0518 GWP1574 357 12.7 145
Show 11317-0845 CBL 343 184 25.6 150
Show 11248-0829 TDS7844 320 16.0 151
Show 11197-0654 STF1530 AB 313 7.6 153
Show 11336-0841 LDS4116 AB 262 4.4 154
Show 11294-0343 A 6 AB 56 2.5 156
Show 11370-0427 GWP1625 16 41.1 156
Show 11273-0852 A 138 217 1.9 158
Show 11404-0606 ROE 73 AB 1 3.5 161
Show 11404-0606 ROE 73 AC 57 84.9 161
Show 11404-0606 ROE 73 AD 107 114.3 161
Show 11231-0403 RST4474 63 1.4 169
Show 11273-0333 RST4478 148 0.4 170
Show 11321-0332 RST4480 BC 315 0.5 171
Show 11321-0332 STF1548 A,BC 127 10.9 171
Show 11314-0329 SLW 612 286 37.2 171
Show 11194-0734 A 136 285 1.1 172

 
 
WDS 11297-0619 : COMPONENTS
 
 
  A
B pa=134.3°
sep=0.16"
 
 
11297-0619 A
 
 
Componente originario normalizzato AB Name HD 99917 Coord arcsec 2000 112943.17-061831.3 Mag 9.7
Spectral class F8 (yellow-white) PmRA -14.00 PmDE -12.0 SAO 138235
Tycho2 4929-01083-1 HD 99917 DM BD-05 3300
Tycho2
Tycho2 4929-01083-1 Pflag RAmdeg 172.42991442 DEmdeg -6.30870677
PmRA -11.5 PmDE -13.6 E RAmdeg 15 E DEmdeg 16
E pmRA 1.3 E pmDE 1.4 EpRAm 1987.48 EpDEm 1987.62
Num 8 Q RAmdeg 0.4 Q DEmdeg 1.0 Q pmRA 0.4
Q pmDE 1.0 BTmag 9.756 E BTmag 0.032 VTmag 9.142
E VTmag 0.026 Prox 999 TYC T HIP
CCDM RAdeg 172.42994083 DEdeg -6.30867556 EpRA 1990 1.66
EpDE 1990 1.65 E RAdeg 16.8 E DEdeg 18.1 Posflg
Corr 0.3
SAO
SAO 138235 DelFlag RA1950 PmRA1950 -0.0022
DE1950 PmDE1950 -0.02 Vmag 8.7 SpType F8
Double code Source 27 CatNum 4323 DM BD-05 3300
DMcomp BDsup HD 99917 M HD 0
GC RA1950rad 2.99836068 DE1950rad -0.10529371 PmRA2000 -0.0019
PmDE2000 -0.015
CCDM
Ccdm 11297-0619 RComp Comp A Note1
Note2 Discov num DRAs 1.04 DDEs 27.9
R dRAs 10 Year Theta Rho
Obs 2 Vmag 9.7 Sp F8 PmNote *
PmRA -33 PmDE -20 Dm number -05 3300 Cat1 BD
Name2 138235 Cat2 SAO HD 99917 M HD
ADS BDS A 8182 M ADS BDS N IDS IDS 11246S0545A
HIC
 
 
11297-0619 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 112943.18-061831.4 Mag 9.7 Calc coord yes
CCDM
Ccdm 11297-0619 RComp Comp B Note1
Note2 Discov num A 7 DRAs DDEs
R dRAs Year 1958 Theta 250 Rho 0.3
Obs 10 Vmag 9.7 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 8182 M ADS BDS N IDS IDS 11246S0545B
HIC