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Current system
13190-2536
HDS 1866
HD 115683


Nearby doubles
20' : 13197-2553
HU 1502

59' : 13212-2446
RST2842

63' : 13190-2637
UPT 2

64' : 13214-2441
BRT2999AB

68' : 13146-2607
TDS8746

69' : 13150-2453
HU 1501

70' : 13236-2607
RST2846

72' : 13153-2445
UC 2506

76' : 13183-2651
B 246

88' : 13155-2650
BUG 14

90' : 13138-2631
UC 2499

97' : 13169-2709
UC 2515

100' : 13145-2417
FIN 297AB

104' : 13130-2430
TDS8731

110' : 13126-2644
DAM2488AB

113' : 13119-2436
B 243

114' : 13270-2608
KPP 669

115' : 13117-2633
FIN 305

116' : 13130-2414
UC 2497

116' : 13105-2553
B 242

117' : 13118-2640
RST1708

127' : 13180-2330
I 920

129' : 13239-2346
ARA2185

130' : 13122-2404
BRT2998AB

133' : 13227-2738
SKF1956

134' : 13284-2613
LDS4366



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.

13190-2536 HDS 1866 (HD 115683)

 
 
13h 18m 58.38s -25° 35' 44.0" P.A. 330.00 sep 0.2 mag 8.52,9.90 Sp F8V dist. 94.79 pc (309.2 l.y.)
 
 
Coord 2000 13190-2536 Discov num HDS1866 Comp Coord arcsec 2000 13 18 58.38 -25 35 44.0
Date first 1991 Date last 2021 Obs 7
Pa first 21 Pa last 329.7 P.A. Now (θ) 312.1°
Sep first 0.2 Sep last 0.161 Sep. Now (ρ) 0.145"
Mag pri 8.52 Mag sec 9.90 delta mag (ΔM) 1.38 Spectral class F8V (yellow-white)
Pri motion ra -054 Sec motion ra
Pri motion dec -036 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 115683 Constellation Hydra SAO 181546 HIP 64970
Tycho2 6704-01445-1 Gaia DR2 6192886440428595456 HD 115683 CD CD-2410838
CP CP-24 5038 Distance 94.79 Distance ly 309.2
 
 
ORBITAL ELEMENTS
 
 
Period (P)22.72y± 0.37 Periastron (T)2008.29y± 0.16 Semi-major axis (a)0.1435a± 0.0032
Eccentricity (e)0.397± 0.024 Inclination (i)137.8°± 2.6 Longitude of periastron (ω)225.8°± 5.4
Node (Ω)18.3°± 5 Notes ReferenceTok2020e
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 315.1 0.148
2001 304.1 0.137
2002 291.3 0.127
2003 276.6 0.119
2004 260.0 0.113
2005 241.8 0.108
2006 222.2 0.104
2007 200.1 0.096
2008 171.5 0.081
2009 130.0 0.068
2010 85.9 0.078
2011 57.7 0.102
2012 40.7 0.127
2013 29.0 0.149
2014 20.0 0.164
2015 12.3 0.175
2016 5.4 0.182
2017 358.8 0.184
2018 352.3 0.183
2019 345.6 0.180
2020 338.4 0.173
2021 330.7 0.165
2022 322.0 0.155
2023 312.1 0.145
2024 300.7 0.134
2025 287.4 0.125
2026 272.1 0.117
2027 255.0 0.111
2028 236.5 0.107
2029 216.3 0.102
2030 193.0 0.092


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


 
  


wds13190-2536a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 13190-2536 HDS 1866 (HD 115683) : 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
 
 
DISCOVERER
 
 
idgroup discov author
1 HDS Hipparcos Double Star (from additional DD list)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
13190-2536 HDS1866 1991 1 21 0.2 8.52 9.90 F8V 131858.38-253544.0
13190-2536 HDS1866 2007 2 189 0.1 8.52 9.90 F8V D 131858.38-253544.0
13190-2536 HDS1866 2016 3 4 0.2 8.52 9.90 F8V 131858.38-253544.0
13190-2536 HDS1866 2018 4 352 0.2 8.52 9.90 F8V 131858.38-253544.0
13190-2536 HDS1866 2019 5 342 0.2 8.52 9.90 F8V 131858.38-253544.0
13190-2536 HDS1866 2020 6 338 0.2 8.52 9.90 F8V 131858.38-253544.0
13190-2536 HDS1866 2021 7 330 0.2 8.52 9.90 F8V 131858.38-253544.0

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

 
 
WDS 13190-2536 HDS 1866 (HD 115683) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 13190-2536 HDS 1866 (HD 115683) : MEASURES
 
 
No records found.

 
 
WDS 13190-2536 (HD 115683) : VIRTUAL EYEPIECE
 
 

13190-2536 HDS1866A mag 8.52 Sp F8V 13190-2536 HDS1866B sep 0.2 P.A. 332.20 mag 9.9 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 13190-2536 (HD 115683) : ALADIN DSS IMAGE @ 13h 18m 58.38s -25° 35' 44.0"
 
 
 
 
WDS 13190-2536 HDS 1866 (HD 115683) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

13190-2536 HDS1866 distance=0' 13197-2553 HU 1502 distance=20' 13212-2446 RST2842 distance=59' 13190-2637 UPT 2 distance=63' 13214-2441 BRT2999AB distance=64' 13146-2607 TDS8746 distance=68' 13150-2453 HU 1501 distance=69' 13236-2607 RST2846 distance=70' 13153-2445 UC 2506 distance=72' 13183-2651 B 246 distance=76' 13155-2650 BUG 14 distance=88' 13138-2631 UC 2499 distance=90' 13169-2709 UC 2515 distance=97' 13145-2417 FIN 297AB distance=100' 13145-2417 STN 28AB,C distance=100' 13235-2658 TDS 708BC distance=103' 13235-2658 SKF1957A,BC distance=103' 13130-2430 TDS8731 distance=104' 13126-2644 DAM2488AB distance=110' 13119-2436 B 243 distance=113' 13270-2608 KPP 669 distance=114' 13117-2633 FIN 305 distance=115' 13130-2414 UC 2497 distance=116' 13105-2553 B 242 distance=116' 13118-2640 RST1708 distance=117' 13180-2330 I 920 distance=127' 13239-2346 ARA2185 distance=129' 13122-2404 BRT2998AB distance=130' 13227-2738 SKF1956 distance=133' 13284-2613 LDS4366 distance=134' 13199-2748 B 247 distance=134' 13267-2418 BGH 6 distance=135' 13154-2326 ARA1798 distance=139' 13089-2503 RST2831 distance=140' 13108-2411 HU 1500AB distance=141' 13142-2743 UC 2500 distance=142' 13189-2310 SMY 3 distance=146' 13147-2752 UC 2503BC distance=148' 13147-2752 SKF1953BD distance=148' 13147-2752 HJ 4575AB distance=148' 13124-2739 TDS8722 distance=152' 13298-2634 B 250 distance=158' 13194-2816 LDS5775 distance=161' 13097-2354 KPP2728 distance=163' 13254-2754 UC 2534AB distance=164' 13222-2814 UC 2524 distance=165' 13225-2257 ARG 26AB distance=166' 13225-2257 SHY 618AC distance=166' 13220-2250 BU 1435 distance=171' 13214-2248 HU 1503 distance=172' 13191-2828 UC 2518 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 13190-2536 HDS1866 330 0.2
Show 13197-2553 HU 1502 31 1.1 20
Show 13212-2446 RST2842 315 1.6 59
Show 13190-2637 UPT 2 21 17.1 63
Show 13214-2441 BRT2999 AB 169 4.8 64
Show 13146-2607 TDS8746 122 0.4 68
Show 13150-2453 HU 1501 16 0.7 69
Show 13236-2607 RST2846 14 1.9 70
Show 13153-2445 UC 2506 71 9.9 72
Show 13183-2651 B 246 127 0.6 76
Show 13155-2650 BUG 14 148 0.3 88
Show 13138-2631 UC 2499 294 83.6 90
Show 13169-2709 UC 2515 126 15.3 97
Show 13145-2417 FIN 297 AB 194 0.1 100
Show 13145-2417 STN 28 AB,C 331 12.3 100
Show 13235-2658 TDS 708 BC 30 1.2 103
Show 13235-2658 SKF1957 A,BC 34 42.1 103
Show 13130-2430 TDS8731 98 0.5 104
Show 13126-2644 DAM2488 AB 295 494.6 110
Show 13119-2436 B 243 171 1.7 113
Show 13270-2608 KPP 669 196 6.0 114
Show 13117-2633 FIN 305 65 0.1 115
Show 13130-2414 UC 2497 103 64.4 116
Show 13105-2553 B 242 37 0.3 116
Show 13118-2640 RST1708 320 0.9 117
Show 13180-2330 I 920 216 1.4 127
Show 13239-2346 ARA2185 234 9.0 129
Show 13122-2404 BRT2998 AB 283 5.5 130
Show 13227-2738 SKF1956 330 8.7 133
Show 13284-2613 LDS4366 275 11.9 134
Show 13199-2748 B 247 317 2.5 134
Show 13267-2418 BGH 6 268 319.0 135
Show 13154-2326 ARA1798 132 18.1 139
Show 13089-2503 RST2831 188 2.3 140
Show 13108-2411 HU 1500 AB 42 2.4 141
Show 13142-2743 UC 2500 274 7.6 142
Show 13189-2310 SMY 3 98 127.8 146
Show 13147-2752 UC 2503 BC 171 51.3 148
Show 13147-2752 SKF1953 BD 349 7.8 148
Show 13147-2752 HJ 4575 AB 65 12.4 148
Show 13124-2739 TDS8722 295 0.5 152
Show 13298-2634 B 250 47 0.5 158
Show 13194-2816 LDS5775 114 53.6 161
Show 13097-2354 KPP2728 211 3.0 163
Show 13254-2754 UC 2534 AB 20 46.3 164
Show 13222-2814 UC 2524 289 65.8 165
Show 13225-2257 ARG 26 AB 80 27.5 166
Show 13225-2257 SHY 618 AC 238 999.9 166
Show 13220-2250 BU 1435 285 6.0 171
Show 13214-2248 HU 1503 202 1.5 172
Show 13191-2828 UC 2518 158 22.8 172

 
 
WDS 13190-2536 : COMPONENTS
 
 
  A
B pa=332.2°
sep=0.16"
 
 
13190-2536 A
 
 
Componente originario normalizzato AB Name HD 115683 Coord arcsec 2000 131858.38-253544.0 Mag 8.52
Spectral class F8V (yellow-white) PmRA -54.00 PmDE -36.0 SAO 181546
HIP 64970 Tycho2 6704-01445-1 HD 115683 CD CD-2410838
CP CP-24 5038
Tycho2
Tycho2 6704-01445-1 Pflag RAmdeg 199.74308976 DEmdeg -25.59562501
PmRA -56.4 PmDE -25.5 E RAmdeg 7 E DEmdeg 8
E pmRA 1.9 E pmDE 1.5 EpRAm 1991.26 EpDEm 1990.46
Num 7 Q RAmdeg 1.0 Q DEmdeg 0.8 Q pmRA 1.1
Q pmDE 0.8 BTmag 8.789 E BTmag 0.020 VTmag 8.172
E VTmag 0.014 Prox 999 TYC T HIP 64970
CCDM AB RAdeg 199.74323444 DEdeg -25.59556417 EpRA 1990 1.65
EpDE 1990 1.35 E RAdeg 6.6 E DEdeg 8.3 Posflg P
Corr 0.0
SAO
SAO 181546 DelFlag RA1950 PmRA1950 -0.0038
DE1950 PmDE1950 -0.003 Vmag 8.2 SpType F8
Double code Source 25 CatNum 9836 DM CD-2410838
DMcomp BDsup HD 115683 M HD 0
GC RA1950rad 3.47423898 DE1950rad -0.44213706 PmRA2000 -0.0038
PmDE2000 0.002
Hipparcos
Catalog H HIP 64970 Proxy H RAhms 13 18 58.38
DEdms -25 35 44.0 Vmag 8.12 VarFlag R Vmag G
RAdeg 199.743 DEdeg -25.5956 AstroRef * Plx 11.86
CCDM 13190-2536 N CCDM H Nsys 1 Ncomp 2
MultFlag C Source S Qual B M HIP AB
Theta 21 Rho 0.168 HD 115683 BD
CD CD-2410838 CP CP-24 5038 Dm number -2410838 VIred 0.63
SpType F8V R SpType Coord arcsec 2000 131858.38-253544.0
Hipparcos 2
HIP 64970 Sn 55 So 3 Nc 2
RArad 3.486177236 DErad -0.4467268103 Plx 10.55 PmRA -52.27
PmDE -36.72 E RArad 1.09 E DErad 0.7 E Plx 0.96
E pmRA 1.41 E pmDE 0.73 Hpmag 8.2513 E Hpmag 0.0018
SHp 0.012 VA 0 BV 0.561 E BV 0.015
VI 0.63
CCDM
Ccdm 13190-2536 RComp Comp A Note1
Note2 Discov num DRAs -1.65 DDEs 15.6
R dRAs 82 Year Theta Rho
Obs 2 Vmag 8.5 Sp F8 PmNote *
PmRA -54 PmDE -36 Dm number -2410838 Cat1 CD
Name2 181546 Cat2 SAO HD 115683 M HD
ADS BDS M ADS BDS N IDS IDS
HIC 64970
 
 
13190-2536 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 131858.37-253543.9 Mag 9.9 Calc delta mag 1.38
Calc coord yes
CCDM
Ccdm 13190-2536 RComp Comp B Note1
Note2 Discov num HDS DRAs -1.65 DDEs 15.8
R dRAs 82 Year 1991 Theta 21 Rho 0.2
Obs 1 Vmag 9.9 Sp PmNote *
PmRA -54 PmDE -36 Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS M ADS BDS N IDS IDS
HIC 64970