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Doubles in session


Current system
11495-1636
TOK 717 Aa,Ab


Nearby doubles
28' : 11514-1636
TDS8075

28' : 11511-1653
GWP1690

42' : 11524-1642
UC 2224

42' : 11466-1631
RST3755

62' : 11534-1702
RST3758

66' : 11536-1607
A 2381AB

70' : 11505-1744
LDS 370

73' : 11479-1528
A 2380

74' : 11444-1641
J 1601

78' : 11532-1540
A 2579

81' : 11529-1741
KPP2737

85' : 11537-1536
TVB 247

89' : 11483-1803
UC 2208

89' : 11533-1527
GWP1699

92' : 11532-1751
GWP1698

92' : 11446-1736
GWP1658

95' : 11561-1628
TDS8124

96' : 11490-1811
RST2767

104' : 11446-1752
GWP1659

105' : 11443-1524
GWP1657

105' : 11441-1527
HDS1656

108' : 11425-1558
J 1578

110' : 11422-1710
GWP1647

110' : 11420-1701
TOK 384AB

114' : 11421-1717
RST3752AB

115' : 11491-1831
UC 2211



Selections
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Neglected List I
Neglected List II
Observed
Herschel, W.
Herschel, J.F.W.
Struve, Otto
Struve, F.G.W.

11495-1636 TOK 717 Aa,Ab

 
 
11h 49m 30.43s -16° 36' 20.5" P.A. 113.00 sep 0.2 mag 10.60,11.00 Sp K4V dist. 52.33 pc (170.7 l.y.)
 
 
Coord 2000 11495-1636 Discov num TOK 717 Comp Aa,Ab Coord arcsec 2000 11 49 30.43 -16 36 20.5
Date first 2016 Date last 2021 Obs 9
Pa first 81 Pa last 113.2 P.A. Now (θ) 113.2°
Sep first 0.1 Sep last 0.169 Sep. Now (ρ) 0.169"
Mag pri 10.60 Mag sec 11.00 delta mag (ΔM) 0.4 Spectral class K4V (yellow-orange)
Pri motion ra +032 Sec motion ra
Pri motion dec -036 Sec motion dec
Notes O R (Orbital solution, Red magnitudes)
This double is physical.
 
 
11495-1636 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show 11 49 30 -16 36 20 TOK 717 Aa,Ab 2021 9 113 0.2 10.60 11.00 0.40 Y <===
Show HD 102698 11 49 30 -16 36 20 TOK 281 AB 2015 6 20 406.5 10.05 12.43 2.38
Triple system
2 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Crater HIP 57660 Tycho2 6093-00472-1 Gaia DR2 3571370108123471360
HD 102698 BD BD-15 3360 Distance 52.33 Distance ly 170.7
 
 
ORBITAL ELEMENTS
 
 
Period (P)24y Periastron (T)2018.05y Semi-major axis (a)0.1984a
Eccentricity (e)0.145 Inclination (i)102.6° Longitude of periastron (ω)108.2°
Node (Ω)292.5° Notes ReferenceTok2020e
Equinox Last observation2019 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 104.2 0.170
2001 99.0 0.145
2002 91.3 0.113
2003 77.1 0.079
2004 45.2 0.053
2005 355.7 0.055
2006 327.0 0.083
2007 314.0 0.118
2008 306.8 0.150
2009 302.1 0.177
2010 298.4 0.196
2011 295.3 0.205
2012 292.3 0.203
2013 289.0 0.188
2014 284.8 0.161
2015 278.4 0.122
2016 264.8 0.076
2017 216.0 0.038
2018 147.7 0.061
2019 128.4 0.108
2020 120.6 0.148
2021 115.7 0.175
2022 111.8 0.187
2023 108.2 0.185
2024 104.2 0.170
2025 99.0 0.145
2026 91.3 0.113
2027 77.1 0.079
2028 45.2 0.053
2029 355.7 0.055
2030 327.0 0.083


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


 
  


wds11495-1636a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11495-1636 TOK 717 Aa,Ab : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2020e St j Tokovinin, A., Mason, B.D., Mendez, R.A., Costa, E. & Horch, E.P. 2020AJ....160....7T
Tok2020e +orb AJ 160, 7, 2020
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11495-1636 TOK 717 Aa,Ab 2017 3 46 0.0 10.60 11.00 K4V R 114930.43-163620.5
11495-1636 TOK 717 Aa,Ab 2018 6 130 0.1 10.60 11.00 K4V R 114930.43-163620.5
11495-1636 TOK 717 Aa,Ab 2019 8 120 0.1 10.60 11.00 K4V R 114930.43-163620.5
11495-1636 TOK 717 Aa,Ab 2021 9 113 0.2 10.60 11.00 K4V R 114930.43-163620.5

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

 
 
WDS 11495-1636 TOK 717 Aa,Ab : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11495-1636 TOK 717 Aa,Ab : MEASURES
 
 
No records found.

 
 
WDS 11495-1636 : VIRTUAL EYEPIECE
 
 

11495-1636 TOK 281A mag 10.05 Sp K4V 11495-1636 TOK 717Ab sep 0.2 P.A. 114.10 mag 11 11495-1636 TOK 281B sep 404.5 P.A. 19.50 mag 12.43 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 11495-1636 : ALADIN DSS IMAGE @ 11h 49m 30.43s -16° 36' 20.5"
 
 
 
 
WDS 11495-1636 TOK 717 Aa,Ab : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11495-1636 TOK 717Aa,Ab distance=0' 11514-1636 TDS8075 distance=28' 11511-1653 GWP1690 distance=28' 11524-1642 UC 2224 distance=42' 11466-1631 RST3755 distance=42' 11534-1702 RST3758 distance=62' 11536-1607 A 2381AB distance=66' 11536-1607 A 2381AC distance=66' 11505-1744 LDS 370 distance=70' 11479-1528 A 2380 distance=73' 11444-1641 J 1601 distance=74' 11532-1540 A 2579 distance=78' 11529-1741 KPP2737 distance=81' 11537-1536 TVB 247 distance=85' 11483-1803 UC 2208 distance=89' 11533-1527 GWP1699 distance=89' 11532-1751 GWP1698 distance=92' 11446-1736 GWP1658 distance=92' 11561-1628 TDS8124 distance=95' 11490-1811 RST2767 distance=96' 11446-1752 GWP1659 distance=104' 11443-1524 GWP1657 distance=105' 11441-1527 HDS1656 distance=105' 11425-1558 J 1578 distance=108' 11422-1710 GWP1647 distance=110' 11420-1701 TOK 384Aa,Ab distance=110' 11420-1701 TOK 384AB distance=110' 11421-1717 RST3752AB distance=114' 11421-1717 CVR 6AB,C distance=114' 11491-1831 UC 2211 distance=115' 11456-1455 GWP1667 distance=116' 11528-1451 UC 2227 distance=116' 11423-1544 LDS 357 distance=117' 11557-1752 UC 2233 distance=118' 11538-1451 A 2382AB distance=123' 11436-1806 HU 465 distance=124' 11578-1604 XMI 100 distance=124' 11454-1825 NSN 110 distance=124' 11426-1523 J 1579 distance=124' 11512-1435 UC 2221 distance=124' 11448-1821 HDS1658 distance=125' 11406-1633 LDS 356 distance=129' 11430-1805 ALD 49 distance=129' 11494-1848 GWP1684 distance=132' 11556-1815 RST2773 distance=132' 11423-1513 RST3753 distance=134' 11474-1847 TDS8025 distance=134' 11588-1701 RST3768 distance=136' 11461-1843 KPP2734 distance=136' 11586-1717 UC 2241 distance=137' 11578-1517 GWP1716 distance=144' 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 11495-1636 TOK 281 AB 20 406.5
Show 11495-1636 TOK 717 Aa,Ab 113 0.2
Show 11514-1636 TDS8075 134 0.5 28
Show 11511-1653 GWP1690 190 77.8 28
Show 11524-1642 UC 2224 297 9.2 42
Show 11466-1631 RST3755 93 0.5 42
Show 11534-1702 RST3758 92 1.8 62
Show 11536-1607 A 2381 AB 355 4.6 66
Show 11536-1607 A 2381 AC 319 71.5 66
Show 11505-1744 LDS 370 58 19.1 70
Show 11479-1528 A 2380 40 0.1 73
Show 11444-1641 J 1601 252 10.6 74
Show 11532-1540 A 2579 34 0.4 78
Show 11529-1741 KPP2737 320 6.2 81
Show 11537-1536 TVB 247 225 13.1 85
Show 11483-1803 UC 2208 273 13.2 89
Show 11533-1527 GWP1699 38 28.4 89
Show 11532-1751 GWP1698 140 120.2 92
Show 11446-1736 GWP1658 20 6.4 92
Show 11561-1628 TDS8124 270 0.5 95
Show 11490-1811 RST2767 170 0.7 96
Show 11446-1752 GWP1659 181 57.8 104
Show 11443-1524 GWP1657 255 58.9 105
Show 11441-1527 HDS1656 43 0.3 105
Show 11425-1558 J 1578 22 9.0 108
Show 11422-1710 GWP1647 226 99.3 110
Show 11420-1701 TOK 384 Aa,Ab 200 0.2 110
Show 11420-1701 TOK 384 AB 272 1.0 110
Show 11421-1717 RST3752 AB 291 0.2 114
Show 11421-1717 CVR 6 AB,C 318 9.9 114
Show 11491-1831 UC 2211 205 19.3 115
Show 11456-1455 GWP1667 140 32.6 116
Show 11528-1451 UC 2227 204 47.1 116
Show 11423-1544 LDS 357 256 66.4 117
Show 11557-1752 UC 2233 7 60.2 118
Show 11538-1451 A 2382 AB 125 3.2 123
Show 11436-1806 HU 465 111 0.4 124
Show 11578-1604 XMI 100 75 25.4 124
Show 11454-1825 NSN 110 196 1.2 124
Show 11426-1523 J 1579 316 6.1 124
Show 11512-1435 UC 2221 221 46.1 124
Show 11448-1821 HDS1658 97 0.3 125
Show 11406-1633 LDS 356 333 5.1 129
Show 11430-1805 ALD 49 76 4.0 129
Show 11494-1848 GWP1684 320 16.7 132
Show 11556-1815 RST2773 332 2.3 132
Show 11423-1513 RST3753 106 3.1 134
Show 11474-1847 TDS8025 17 0.9 134
Show 11588-1701 RST3768 265 3.7 136
Show 11461-1843 KPP2734 267 8.2 136
Show 11586-1717 UC 2241 279 7.4 137

 
 
WDS 11495-1636 : COMPONENTS
 
 
  A Ab
Ab pa=114.1°
sep=0.16"
 
B pa=19.5°
sep=404.51"
pa=19.5°
sep=404.52"
 
 
11495-1636 A
 
 
Name HD 102698 Coord arcsec 2000 114930.43-163620.5 Mag 10.05 Spectral class K4V (yellow-orange)
PmRA 39.00 PmDE -40.0 HIP 57660 Tycho2 6093-00472-1
HD 102698 BD BD-15 3360
Tycho2
Tycho2 6093-00472-1 Pflag RAmdeg 177.37678790 DEmdeg -16.60571086
PmRA 32.6 PmDE -38.7 E RAmdeg 16 E DEmdeg 21
E pmRA 1.2 E pmDE 1.2 EpRAm 1986.04 EpDEm 1982.67
Num 10 Q RAmdeg 1.3 Q DEmdeg 1.3 Q pmRA 1.2
Q pmDE 1.4 BTmag 11.377 E BTmag 0.058 VTmag 10.045
E VTmag 0.029 Prox 999 TYC T HIP 57660
CCDM RAdeg 177.37670667 DEdeg -16.60560889 EpRA 1990 1.62
EpDE 1990 1.38 E RAdeg 20.1 E DEdeg 26.7 Posflg
Corr 0.4
Hipparcos
Catalog H HIP 57660 Proxy RAhms 11 49 30.41
DEdms -16 36 20.2 Vmag 9.97 VarFlag R Vmag H
RAdeg 177.377 DEdeg -16.6056 AstroRef Plx 17.91
CCDM N CCDM Nsys Ncomp 1
MultFlag Source Qual S M HIP
Theta Rho HD 102698 BD BD-15 3360
CD CP Dm number -15 3360 VIred 1.07
SpType K4V R SpType Coord arcsec 2000 114930.41-163620.2
Hipparcos 2
HIP 57660 Sn 5 So 0 Nc 1
RArad 3.0958076203 DErad -0.2898226657 Plx 19.11 PmRA 25.21
PmDE -34.2 E RArad 1.06 E DErad 0.83 E Plx 1.43
E pmRA 1.11 E pmDE 0.91 Hpmag 10.1081 E Hpmag 0.0026
SHp 0.022 VA 0 BV 1.11 E BV 0.015
VI 1.07
 
 
11495-1636 Ab
 
 
Coord arcsec 2000 114930.44-163620.6 Mag 11 Calc delta mag 0.4 Calc coord yes
 
 
11495-1636 B
 
 
Coord arcsec 2000 114939.83-162959.2 Mag 12.43 PmRA 15.00 PmDE -54.0
Calc delta mag 1.83 Calc coord yes