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Doubles in session


Current system
11425+2355
COU 390
HD 101728


Nearby doubles
7' : 11421+2351
POU3109

19' : 11438+2401
A 679

31' : 11449+2346
POU3112

34' : 11438+2423
HJ 509

50' : 11436+2442
LDS4138

53' : 11423+2302
LDS 926

54' : 11387+2344
LDS 923

71' : 11434+2245
HJ 2581

72' : 11421+2507
LDS4136

72' : 11394+2453
SLW 626

76' : 11480+2357
CBL 359

83' : 11442+2513
STT 239

85' : 11434+2518
RAO 576

90' : 11360+2346
POU3107

94' : 11395+2518
A 678

95' : 11494+2405
KPP2442

100' : 11374+2245
POU3108

101' : 11466+2231
ALP 17AB

101' : 11358+2437
TOK 895

104' : 11416+2211
KPP2632

107' : 11365+2502
HDS1645

115' : 11486+2237
POU3113

117' : 11427+2551
SLW 634

119' : 11342+2326
SLW 617

127' : 11484+2532
RAO 267

127' : 11517+2344
COU 391



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.

11425+2355 COU 390 (HD 101728)

 
 
11h 42m 30.32s +23° 54' 22.9" P.A. 102.00 sep 0.4 mag 9.27,11.66 Sp G5 dist. 45.72 pc (149.14 l.y.)
 
 
Coord 2000 11425+2355 Discov num COU 390 Comp Coord arcsec 2000 11 42 30.32 +23 54 22.9
Date first 1969 Date last 2018 Obs 17
Pa first 161 Pa last 102.1 P.A. Now (θ) 102.1°
Sep first 0.8 Sep last 0.41 Sep. Now (ρ) 0.41"
Mag pri 9.27 Mag sec 11.66 delta mag (ΔM) 2.39 Spectral class G5 (yellow)
Pri motion ra +058 Sec motion ra
Pri motion dec +085 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 101728 Constellation Leo SAO 81950 HIP 57112
Tycho2 1982-01889-1 Gaia DR2 4004906065484563200 HD 101728 BD BD+24 2384
Distance 45.72 Distance ly 149.14
 
 
ORBITAL ELEMENTS
 
 
Period (P)92.75y± 5.57 Periastron (T)2007.86y± 0.28 Semi-major axis (a)0.5498a± 0.0168
Eccentricity (e)0.786± 0.014 Inclination (i)43.6°± 3.2 Longitude of periastron (ω)100.9°± 2.7
Node (Ω)231.4°± 3.2 Notes ReferenceTok2016e
Equinox2000 Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 209.1 0.403
2001 212.6 0.374
2002 216.6 0.342
2003 221.6 0.306
2004 228.1 0.266
2005 237.1 0.218
2006 251.7 0.164
2007 282.1 0.107
2008 345.8 0.089
2009 31.4 0.135
2010 52.2 0.185
2011 64.6 0.227
2012 73.4 0.262
2013 80.2 0.293
2014 85.8 0.320
2015 90.5 0.345
2016 94.7 0.367
2017 98.3 0.388
2018 101.7 0.408
2019 104.7 0.427
2020 107.4 0.444
2021 110.0 0.461
2022 112.4 0.476
2023 114.7 0.491
2024 116.8 0.505
2025 118.8 0.519
2026 120.7 0.532
2027 122.5 0.545
2028 124.2 0.557
2029 125.9 0.568
2030 127.5 0.579


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


 
  


wds11425%2B2355a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 11425+2355 COU 390 (HD 101728) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2016e orb - Tokovinin, A. 2016AJ....152..138T
Tok2016e AJ 152, 138, 2016
 
 
DISCOVERER
 
 
idgroup discov author
1 COU Couteau, P.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
11425+2355 COU 390 2000 11 206 0.5 9.27 11.66 G5 114230.32+235422.9
11425+2355 COU 390 2013 12 262 0.3 9.27 11.66 G5 114230.32+235422.9
11425+2355 COU 390 2015 13 91 0.3 9.27 11.66 G5 114230.32+235422.9
11425+2355 COU 390 2016 14 95 0.4 9.27 11.66 G5 O 114230.32+235422.9
11425+2355 COU 390 2018 15 102 0.4 9.27 11.66 G5 O 114230.32+235422.9

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

 
 
WDS 11425+2355 COU 390 (HD 101728) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 11425+2355 COU 390 (HD 101728) : MEASURES
 
 
No records found.

 
 
WDS 11425+2355 (HD 101728) : VIRTUAL EYEPIECE
 
 

11425+2355 COU 390A mag 9.27 Sp G5 11425+2355 COU 390B sep 0.4 P.A. 103.20 mag 11.66 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 11425+2355 (HD 101728) : ALADIN DSS IMAGE @ 11h 42m 30.32s +23° 54' 22.9"
 
 
 
 
WDS 11425+2355 COU 390 (HD 101728) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

11425+2355 COU 390 distance=0' 11421+2351 POU3109 distance=7' 11438+2401 A 679 distance=19' 11449+2346 POU3112 distance=31' 11438+2423 HJ 509 distance=34' 11436+2442 LDS4138 distance=50' 11423+2302 LDS 926 distance=53' 11387+2344 LDS 923 distance=54' 11434+2245 HJ 2581 distance=71' 11421+2507 LDS4136 distance=72' 11394+2453 SLW 626 distance=72' 11480+2357 CBL 359 distance=76' 11442+2513 STT 239 distance=83' 11434+2518 RAO 576 distance=85' 11360+2346 POU3107 distance=90' 11395+2518 A 678 distance=94' 11494+2405 KPP2442 distance=95' 11374+2245 POU3108 distance=100' 11466+2231 KER 2Aa,Ab distance=101' 11466+2231 ALP 17AB distance=101' 11358+2437 TOK 895 distance=101' 11416+2211 KPP2632 distance=104' 11365+2502 HDS1645 distance=107' 11486+2237 POU3113 distance=115' 11427+2551 SLW 634 distance=117' 11342+2326 SLW 617 distance=119' 11484+2532 RAO 267 distance=127' 11517+2344 COU 391 distance=127' 11512+2310 POU3114 distance=128' 11503+2506 SLE 888 distance=129' 11329+2408 POU3105 distance=134' 11503+2519 LDS 928 distance=136' 11511+2245 HDS1671 distance=138' 11326+2419 STF1549 distance=138' 11402+2609 HDS1652 distance=139' 11505+2532 SLN 22 distance=147' 11354+2544 KPP2189 distance=147' 11520+2248 POU3115 distance=147' 11336+2225 HJ 2576 distance=152' 11315+2349 POU3103 distance=152' 11525+2243 TDS8089 distance=156' 11525+2240 POU3116 distance=157' 11527+2521 SLE 892 distance=165' 11516+2207 CHR 35 distance=165' 11541+2441 HJ 512AB distance=166' 11541+2441 HJ 512AC distance=166' 11323+2527 TDS7912AB distance=167' 11323+2527 GII 83AC distance=167' 11367+2128 STF1558AB distance=167' 11367+2128 STF1558AB,C distance=167' 11367+2128 GII 95Aa,Ab distance=167' 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 11425+2355 COU 390 102 0.4
Show 11421+2351 POU3109 228 5.5 7
Show 11438+2401 A 679 92 5.5 19
Show 11449+2346 POU3112 318 22.2 31
Show 11438+2423 HJ 509 298 11.1 34
Show 11436+2442 LDS4138 233 3.7 50
Show 11423+2302 LDS 926 22 105.1 53
Show 11387+2344 LDS 923 196 18.4 54
Show 11434+2245 HJ 2581 78 3.0 71
Show 11421+2507 LDS4136 137 10.8 72
Show 11394+2453 SLW 626 211 8.7 72
Show 11480+2357 CBL 359 173 52.1 76
Show 11442+2513 STT 239 32 36.4 83
Show 11434+2518 RAO 576 111 0.5 85
Show 11360+2346 POU3107 277 8.6 90
Show 11395+2518 A 678 226 1.2 94
Show 11494+2405 KPP2442 312 21.4 95
Show 11374+2245 POU3108 271 8.8 100
Show 11466+2231 KER 2 Aa,Ab 209 0.3 101
Show 11466+2231 ALP 17 AB 88 21.1 101
Show 11358+2437 TOK 895 205 0.3 101
Show 11416+2211 KPP2632 201 24.4 104
Show 11365+2502 HDS1645 328 0.2 107
Show 11486+2237 POU3113 110 4.2 115
Show 11427+2551 SLW 634 302 14.7 117
Show 11342+2326 SLW 617 346 153.3 119
Show 11484+2532 RAO 267 72 3.1 127
Show 11517+2344 COU 391 301 0.3 127
Show 11512+2310 POU3114 246 13.2 128
Show 11503+2506 SLE 888 97 11.2 129
Show 11329+2408 POU3105 208 3.4 134
Show 11503+2519 LDS 928 72 36.8 136
Show 11511+2245 HDS1671 69 0.6 138
Show 11326+2419 STF1549 113 12.8 138
Show 11402+2609 HDS1652 264 0.5 139
Show 11505+2532 SLN 22 129 6.4 147
Show 11354+2544 KPP2189 217 18.0 147
Show 11520+2248 POU3115 298 3.2 147
Show 11336+2225 HJ 2576 156 12.1 152
Show 11315+2349 POU3103 57 9.5 152
Show 11525+2243 TDS8089 100 0.4 156
Show 11525+2240 POU3116 37 15.1 157
Show 11527+2521 SLE 892 8 3.8 165
Show 11516+2207 CHR 35 143 0.2 165
Show 11541+2441 HJ 512 AB 151 25.5 166
Show 11541+2441 HJ 512 AC 339 23.3 166
Show 11323+2527 TDS7912 AB 131 0.2 167
Show 11323+2527 GII 83 AC 172 1.1 167
Show 11367+2128 STF1558 AB 168 1.3 167
Show 11367+2128 STF1558 AB,C 276 43.3 167
Show 11367+2128 GII 95 Aa,Ab 120 0.3 167

 
 
WDS 11425+2355 : COMPONENTS
 
 
  A
B pa=103.2°
sep=0.38"
 
 
11425+2355 A
 
 
Componente originario normalizzato AB Name HD 101728 Coord arcsec 2000 114230.32+235422.9 Mag 9.27
Spectral class G5 (yellow) PmRA 58.00 PmDE 85.0 SAO 81950
HIP 57112 Tycho2 1982-01889-1 HD 101728 BD BD+24 2384
Tycho2
Tycho2 1982-01889-1 Pflag X RAmdeg DEmdeg
PmRA PmDE E RAmdeg E DEmdeg
E pmRA E pmDE EpRAm EpDEm
Num Q RAmdeg Q DEmdeg Q pmRA
Q pmDE BTmag 10.096 E BTmag 0.035 VTmag 9.163
E VTmag 0.024 Prox 999 TYC T HIP 57112
CCDM AB RAdeg 175.62635417 DEdeg 23.90635833 EpRA 1990 1.65
EpDE 1990 1.66 E RAdeg 15.5 E DEdeg 17.6 Posflg P
Corr 0.1
SAO
SAO 81950 DelFlag RA1950 PmRA1950 0.0043
DE1950 PmDE1950 0.085 Vmag 8.8 SpType G5
Double code Source 35 CatNum 4341 DM BD+24 2384
DMcomp BDsup HD 101728 M HD 0
GC RA1950rad 3.05388477 DE1950rad 0.42206517 PmRA2000 0.0043
PmDE2000 0.089
Hipparcos
Catalog H HIP 57112 Proxy H RAhms 11 42 30.32
DEdms +23 54 22.9 Vmag 9.02 VarFlag R Vmag H
RAdeg 175.626 DEdeg 23.9064 AstroRef A Plx 23.43
CCDM 11425+2354 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 189 Rho 0.583 HD 101728 BD BD+24 2384
CD CP Dm number +24 2384 VIred 1.67
SpType G5 R SpType Coord arcsec 2000 114230.32+235422.9
Hipparcos 2
HIP 57112 Sn 15 So 3 Nc 2
RArad 3.0652580601 DErad 0.4172446792 Plx 21.87 PmRA 63.71
PmDE 86.98 E RArad 1.21 E DErad 1.03 E Plx 1.39
E pmRA 1.53 E pmDE 1.13 Hpmag 9.1523 E Hpmag 0.0044
SHp 0.03 VA 0 BV 0.794 E BV 0.035
VI 0.83
 
 
11425+2355 B
 
 
Componente originario normalizzato AB Coord arcsec 2000 114230.35+235422.8 Mag 11.66 Calc delta mag 2.39
Calc coord yes