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Doubles in session


Current system
10260+0256
A 2570
HD 90361


Nearby doubles
9' : 10256+0302
HEI 761

10' : 10262+0302
DJU 2

17' : 10258+0312
HJ 1177

26' : 10246+0305
CHE 147

27' : 10248+0236
SLW 470

30' : 10240+0258
BAL2372

34' : 10244+0232
ITF 46

39' : 10237+0237
LAM 7AB

40' : 10284+0310
CHE 148

40' : 10273+0221
BAL1876

43' : 10242+0222
BU 1322AB

45' : 10275+0334
STT 218

60' : 10223+0317
SLE 585

61' : 10262+0356
BU 1280AB

64' : 10277+0353
TDS7287

64' : 10296+0328
LDS2862

66' : 10291+0342
BAL2841

68' : 10302+0317
KPP3819

73' : 10294+0346
SLE 494

85' : 10204+0310
HDS1485

88' : 10317+0235
HJ 2533

88' : 10202+0245
HEI 759

89' : 10306+0159
BAL1877

89' : 10225+0408
LDS2856AB

91' : 10199+0249
DAM2286

92' : 10307+0354
OCC1092



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.

10260+0256 A 2570 (HD 90361)

 
 
10h 25m 58.68s +02° 55' 45.2" P.A. 146.00 sep 0.0 mag 7.79,7.71 Sp A2V dist. 170.36 pc (555.71 l.y.)
 
 
Coord 2000 10260+0256 Discov num A  2570 Comp Coord arcsec 2000 10 25 58.68 +02 55 45.2
Date first 1913 Date last 2023 Obs 59
Pa first 330 Pa last 145.9 P.A. Now (θ) 145.9°
Sep first 0.4 Sep last 0.037 Sep. Now (ρ) 0.037"
Mag pri 7.79 Mag sec 7.71 delta mag (ΔM) 0.08 Spectral class A2V (white)
Pri motion ra -032 Sec motion ra
Pri motion dec -001 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 90361 Constellation Sextans SAO 118296 HIP 51061
Tycho2 0249-00959-1 Gaia DR2 3856672171275658240 HD 90361 ADS 7769
BD BD+03 2365 Distance 170.36 Distance ly 555.71
 
 
ORBITAL ELEMENTS
 
 
Period (P)174y Periastron (T)2023.5y Semi-major axis (a)0.245a
Eccentricity (e)0.83 Inclination (i)114.3° Longitude of periastron (ω)329.4°
Node (Ω)122.9° Notes ReferenceTok2019c
Equinox Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 302.8 0.266
2001 302.4 0.259
2002 302.0 0.252
2003 301.5 0.245
2004 301.0 0.237
2005 300.5 0.229
2006 299.9 0.220
2007 299.3 0.212
2008 298.7 0.202
2009 297.9 0.193
2010 297.1 0.183
2011 296.2 0.172
2012 295.2 0.161
2013 294.0 0.150
2014 292.6 0.137
2015 291.0 0.124
2016 288.9 0.111
2017 286.2 0.096
2018 282.5 0.080
2019 276.9 0.064
2020 267.2 0.046
2021 246.1 0.030
2022 196.1 0.022
2023 149.2 0.031
2024 127.5 0.042
2025 113.6 0.048
2026 101.3 0.048
2027 88.9 0.047
2028 75.9 0.046
2029 62.7 0.047
2030 50.1 0.049
2031 38.7 0.052
2032 28.9 0.056
2033 20.7 0.062
2034 14.0 0.068
2035 8.4 0.075
2036 3.7 0.082
2037 359.8 0.089
2038 356.5 0.096
2039 353.6 0.103
2040 351.1 0.111
2041 348.9 0.118
2042 347.0 0.125
2043 345.3 0.132
2044 343.7 0.139
2045 342.3 0.146
2046 341.0 0.153
2047 339.9 0.160
2048 338.8 0.166
2049 337.8 0.173
2050 336.9 0.179


 
 grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds10260%2B0256b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic
 
 
WDS 10260+0256 A 2570 (HD 90361) : NOTES
 
 
No records found.

 
 
REFERENCES
 
 
refcode metd author reference
Tok2019c St j Tokovinin, A., Mason, B.D., Mendez, R.A., Horch, E.P. & Briceno, C. 2019AJ....158...48T
Tok2019c +orb
 
 
DISCOVERER
 
 
discov author
A Aitken, R.G.
TOK Tokovinin, A., Cantarutti, R., Tighe, R., Schurter, P., van der Bliek, N.,
TOK Martinez, M., & Mondaca, E.
TOK Tokovinin, A., Corbett, H., Fors, O., Howard, W., Law, N.M., Moe, M.,
TOK Tokovinin, A. & Briceno, C.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr dm_number notes coord_arcsec_2000
10260+0256 A 2570 2006 53 297 0.2 7.79 7.71 A2V +03 2365 D 102558.68+025545.2
10260+0256 A 2570 2018 52 277 0.1 7.79 7.71 A2V +03 2365 O 102558.68+025545.2
10260+0256 A 2570 2019 53 267 0.0 7.79 7.71 A2V +03 2365 O 102558.68+025545.2
10260+0256 A 2570 2020 54 238 0.0 7.79 7.71 A2V +03 2365 O 102558.68+025545.2
10260+0256 A 2570 2021 56 184 0.0 7.79 7.71 A2V +03 2365 O 102558.68+025545.2
10260+0256 A 2570 2022 58 173 0.0 7.79 7.71 A2V +03 2365 O 102558.68+025545.2
10260+0256 A 2570 2023 59 146 0.0 7.79 7.71 A2V +03 2365 O 102558.68+025545.2

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

 
 
WDS 10260+0256 A 2570 (HD 90361) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 10260+0256 A 2570 (HD 90361) : MEASURES
 
 
No records found.

 
 
WDS 10260+0256 (HD 90361) : VIRTUAL EYEPIECE
 
 

10260+0256 A 2570A mag 7.79 Sp A2V 10260+0256 A 2570B mag 7.71 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 10260+0256 (HD 90361) : ALADIN DSS IMAGE @ 10h 25m 58.68s +02° 55' 45.2"
 
 
 
 
WDS 10260+0256 A 2570 (HD 90361) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

10260+0256 A 2570 distance=1' 10256+0302 HEI 761 distance=9' 10262+0302 DJU 2 distance=10' 10258+0312 HJ 1177 distance=17' 10246+0305 CHE 147 distance=26' 10248+0236 SLW 470 distance=27' 10240+0258 BAL2372 distance=30' 10244+0232 ITF 46 distance=34' 10237+0237 LAM 7AB distance=39' 10237+0237 BUP 132AC distance=39' 10284+0310 CHE 148 distance=40' 10273+0221 BAL1876 distance=40' 10242+0222 BU 1322AB distance=43' 10242+0222 HJ 2530AC distance=43' 10275+0334 STT 218 distance=45' 10262+0356 BU 1280BC distance=59' 10223+0317 SLE 585 distance=60' 10262+0356 BU 1280AB distance=61' 10262+0356 SLE 493AD distance=61' 10277+0353 TDS7287 distance=64' 10296+0328 LDS2862 distance=64' 10291+0342 BAL2841 distance=66' 10302+0317 KPP3819 distance=68' 10294+0346 SLE 494 distance=73' 10204+0310 HDS1485 distance=85' 10317+0235 HJ 2533 distance=88' 10202+0245 HEI 759 distance=88' 10306+0159 BAL1877 distance=89' 10225+0408 HEI 760Aa,Ab distance=89' 10225+0408 LDS2856AB distance=89' 10199+0249 DAM2286 distance=91' 10307+0354 OCC1092 distance=92' 10231+0418 CVR 562 distance=94' 10249+0431 HDS1497 distance=97' 10281+0429 SLW 478 distance=99' 10326+0247 SLW 489 distance=101' 10323+0219 GWP1396 distance=102' 10297+0129 LAF 39AB distance=103' 10297+0129 LAF 39AC distance=103' 10204+0357 GWP1348 distance=104' 10271+0439 SLW 476 distance=105' 10204+0156 BAL1874 distance=108' 10187+0243 BAL2371 distance=110' 10323+0352 CVR 567 distance=111' 10212+0131 BAL1875 distance=112' 10333+0233 SLW 492 distance=112' 10263+0451 UC 1929 distance=116' 10216+0430 SLE 492 distance=116' 10252+0100 A 2568 distance=117' 10251-0059 GWP1364 distance=118' 10319+0424 LDS2867 distance=126' 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 10260+0256 A 2570 146 0.0 1
Show 10256+0302 HEI 761 173 1.2 9
Show 10262+0302 DJU 2 175 1.2 10
Show 10258+0312 HJ 1177 41 13.3 17
Show 10246+0305 CHE 147 21 24.6 26
Show 10248+0236 SLW 470 259 13.2 27
Show 10240+0258 BAL2372 265 15.0 30
Show 10244+0232 ITF 46 92 2.4 34
Show 10237+0237 LAM 7 AB 24 131.5 39
Show 10237+0237 BUP 132 AC 138 154.6 39
Show 10284+0310 CHE 148 64 4.8 40
Show 10273+0221 BAL1876 46 7.6 40
Show 10242+0222 BU 1322 AB 298 13.5 43
Show 10242+0222 HJ 2530 AC 63 201.6 43
Show 10275+0334 STT 218 184 0.4 45
Show 10262+0356 BU 1280 BC 46 0.7 59
Show 10223+0317 SLE 585 9 33.6 60
Show 10262+0356 BU 1280 AB 191 116.6 61
Show 10262+0356 SLE 493 AD 130 101.5 61
Show 10277+0353 TDS7287 272 0.5 64
Show 10296+0328 LDS2862 41 4.6 64
Show 10291+0342 BAL2841 355 4.7 66
Show 10302+0317 KPP3819 205 1.6 68
Show 10294+0346 SLE 494 37 22.5 73
Show 10204+0310 HDS1485 331 0.3 85
Show 10317+0235 HJ 2533 328 8.9 88
Show 10202+0245 HEI 759 64 0.3 88
Show 10306+0159 BAL1877 107 8.2 89
Show 10225+0408 HEI 760 Aa,Ab 11 0.8 89
Show 10225+0408 LDS2856 AB 313 50.3 89
Show 10199+0249 DAM2286 145 6.9 91
Show 10307+0354 OCC1092 -1 0.2 92
Show 10231+0418 CVR 562 77 9.2 94
Show 10249+0431 HDS1497 74 0.5 97
Show 10281+0429 SLW 478 63 42.2 99
Show 10326+0247 SLW 489 309 145.0 101
Show 10323+0219 GWP1396 4 8.9 102
Show 10297+0129 LAF 39 AB 187 5.2 103
Show 10297+0129 LAF 39 AC 176 12.2 103
Show 10204+0357 GWP1348 259 16.2 104
Show 10271+0439 SLW 476 154 125.8 105
Show 10204+0156 BAL1874 350 11.8 108
Show 10187+0243 BAL2371 219 3.5 110
Show 10323+0352 CVR 567 233 10.2 111
Show 10212+0131 BAL1875 344 13.3 112
Show 10333+0233 SLW 492 82 15.0 112
Show 10263+0451 UC 1929 227 18.4 116
Show 10216+0430 SLE 492 244 27.5 116
Show 10252+0100 A 2568 168 0.4 117
Show 10251-0059 GWP1364 14 101.4 118
Show 10319+0424 LDS2867 189 4.4 126

 
 
WDS 10260+0256 : COMPONENTS
 
 
  A
B pa=145.9°
sep=0.04"
 
 
10260+0256 A
 
 
Name HD 90361 Coord arcsec 2000 102558.68+025545.2 Mag 7.79 Spectral class A2V (white)
PmRA -32.00 PmDE -1.0 HIP 51061 BD BD+03 2365
Hipparcos
Catalog H HIP 51061 Proxy H RAhms 10 25 58.68
DEdms +02 55 45.2 Vmag 6.97 VarFlag R Vmag H
RAdeg 156.494 DEdeg 2.92922 AstroRef B Plx 6.37
CCDM -30.72 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP BA
Theta 127 Rho 0.316 HD BD BD+03 2365
CD CP Dm number +03 2365 VIred 0.06
SpType A0 R SpType Coord arcsec 2000 102558.68+025545.2
Hipparcos 2
HIP 51061 Sn 15 So 3 Nc 2
RArad 2.7313442581 DErad 0.0511244566 Plx 5.87 PmRA -32.62
PmDE -0.69 E RArad 0.61 E DErad 0.51 E Plx 0.66
E pmRA 0.7 E pmDE 0.58 Hpmag E Hpmag 0.0006
SHp 0.007 VA 0 BV 0.055 E BV 0.007
VI 0.07
CCDM
Ccdm 10260+0256 RComp Comp A Note1
Note2 Discov num DRAs -1.37 DDEs -15.4
R dRAs 10 Year Theta Rho
Obs 2 Vmag 7.6 Sp A0 PmNote *
PmRA -44 PmDE -14 Dm number +03 2365 Cat1 BD
Name2 +03 1394 Cat2 AGK2/3 HD 90361 M HD
ADS BDS A 7769 M ADS BDS N IDS IDS 10208N0326A
HIC 51061
 
 
10260+0256 B
 
 
Coord arcsec 2000 102558.68+025545.2 Mag 7.71 Tycho2 0249-00959-1 HD 90361
Delta magnitude 0.08 Coordinate calculated yes
Tycho2
Tycho2 0249-00959-1 Pflag RAmdeg 156.49445540 DEmdeg 2.92919191
PmRA -31.5 PmDE 0.9 E RAmdeg 4 E DEmdeg 4
E pmRA 1.1 E pmDE 1.1 EpRAm 1991.62 EpDEm 1991.69
Num 15 Q RAmdeg 1.5 Q DEmdeg 1.2 Q pmRA 1.5
Q pmDE 1.3 BTmag 7.042 E BTmag 0.015 VTmag 6.988
E VTmag 0.010 Prox 999 TYC T HIP 51061
CCDM AB RAdeg 156.49452639 DEdeg 2.92918972 EpRA 1990 1.87
EpDE 1990 1.92 E RAdeg 3.6 E DEdeg 4.3 Posflg P
Corr 0.4
CCDM
Ccdm 10260+0256 RComp Comp B Note1
Note2 Discov num A 2570 DRAs DDEs
R dRAs Year 1958 Theta 313 Rho 0.4
Obs 18 Vmag 7.6 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 7769 M ADS BDS N IDS IDS 10208N0326B
HIC 51061