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Doubles in session


Current system
08331-2436
BU 205 AB
HD 72626


Nearby doubles
27' : 08342-2458
LDS 226AB

45' : 08355-2506
BU 206

47' : 08357-2407
ARA2126

48' : 08316-2352
ARA2123

53' : 08293-2446
KPP3747

56' : 08331-2341
B 159

58' : 08289-2436
KIR 13

62' : 08349-2340
ARA2125

63' : 08376-2425
ARA2307

64' : 08375-2418
B 160

65' : 08287-2412
ARA2119

69' : 08315-2541
I 805

70' : 08294-2348
ARA2122

74' : 08281-2410
ARA2118

74' : 08326-2323
LDS 224

75' : 08382-2408
ARA2128

76' : 08276-2425
RST2556

77' : 08287-2350
HDS1210

77' : 08377-2353
HDS1240

79' : 08342-2554
RST2566

79' : 08299-2331
TDS5873

79' : 08385-2502
B 161AB

80' : 08387-2415
ARA2130

80' : 08290-2339
ARA2120AB

81' : 08290-2534
B 156

81' : 08294-2539
B 157



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.

08331-2436 BU 205 AB (HD 72626)

 
 
08h 33m 04.85s -24° 36' 24.8" P.A. 276.00 sep 0.6 mag 7.14,6.84 Sp A8IV dist. 72.62 pc (236.89 l.y.)
 
 
Coord 2000 08331-2436 Discov num BU  205 Comp AB Coord arcsec 2000 08 33 04.85 -24 36 24.8
Date first 1874 Date last 2021 Obs 97
Pa first 310 Pa last 275.9 P.A. Now (θ) 273°
Sep first 0.5 Sep last 0.552 Sep. Now (ρ) 0.552"
Mag pri 7.14 Mag sec 6.84 delta mag (ΔM) 0.3 Spectral class A8IV (white)
Pri motion ra -004 Sec motion ra -004
Pri motion dec -031 Sec motion dec -031
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
08331-2436 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 72626 176061 08 33 05 -24 36 25 BU 205 AB 2021 97 276 0.6 7.14 6.84 0.30 Y <===
Show 176061 08 33 05 -24 36 25 BU 205 AB,C 1999 3 356 29.6 6.30 14.00 7.70
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 72626 Constellation Pyxis SAO 176061 HIP 41949
Tycho2 6574-02067-1 HD 72626 HR 3381 GC 11724
ADS 6871 CD CD-24 7089 CP CP-24 3736 Distance 72.62
Distance ly 236.89
 
 
ORBITAL ELEMENTS
 
 
Period (P)140.56y± 2.45 Periastron (T)1953.67y± 1.25 Semi-major axis (a)0.526a± 0.003
Eccentricity (e)0.269± 0.015 Inclination (i)145.3°± 3 Longitude of periastron (ω)83°± 5
Node (Ω)172.8°± 5 Notesn ReferenceDoc2021d
Equinox Last observation2018 Grade2(1=Definitive, 9=Indet.)
label theta rho
2000 314.0 0.567
2001 312.3 0.567
2002 310.5 0.567
2003 308.8 0.567
2004 307.0 0.567
2005 305.3 0.567
2006 303.5 0.566
2007 301.8 0.566
2008 300.0 0.565
2009 298.3 0.564
2010 296.5 0.564
2011 294.7 0.563
2012 293.0 0.562
2013 291.2 0.561
2014 289.4 0.560
2015 287.6 0.559
2016 285.8 0.558
2017 284.0 0.557
2018 282.2 0.556
2019 280.4 0.555
2020 278.6 0.554
2021 276.7 0.553
2022 274.9 0.552
2023 273.0 0.552
2024 271.2 0.551
2025 269.3 0.550
2026 267.5 0.549
2027 265.6 0.548
2028 263.8 0.548
2029 261.9 0.547
2030 260.0 0.546


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


 
  


wds08331-2436b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 08331-2436 BU 205 AB (HD 72626) : NOTES
 
 
discov_num notes refcode
BU 205 AB: Malkov et al. (2012) derive dynamical, photometric, and
spectroscopic masses 2.73 +/- 0.84, 2.64, and 1.74 Msun, respectively. Mlk2012
 
 
REFERENCES
 
 
refcode metd author reference
Doc2021d orb - Docobo, J.A., Mendez, R.A., Campo, P., Gomez, J., & Costa, E. 2021IAUDS.204....1S
Doc2021d Inf. Circ. 204, 1, 2021
Mlk2012 not - Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A. 2012A&A...546A..69M
Mlk2012 A&A 546, A69, 2012
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
08331-2436 BU 205 AB 1997 87 318 0.6 7.14 6.84 A8IV NOD 083304.85-243624.8
08331-2436 BU 205 AB 2009 88 297 0.6 7.14 6.84 A8IV NOD 083304.85-243624.8
08331-2436 BU 205 AB 2010 90 297 0.6 7.14 6.84 A8IV NOD 083304.85-243624.8
08331-2436 BU 205 AB 2011 91 295 0.6 7.14 6.84 A8IV NOD 083304.85-243624.8
08331-2436 BU 205 AB 2013 92 291 0.6 7.14 6.84 A8IV NOD 083304.85-243624.8
08331-2436 BU 205 AB 2014 93 290 0.5 7.14 6.84 A8IV NO 083304.85-243624.8
08331-2436 BU 205 AB 2016 94 287 0.6 7.14 6.84 A8IV NO 083304.85-243624.8
08331-2436 BU 205 AB 2018 96 282 0.6 7.14 6.84 A8IV NO 083304.85-243624.8
08331-2436 BU 205 AB 2021 97 276 0.6 7.14 6.84 A8IV NO 083304.85-243624.8

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

 
 
WDS 08331-2436 BU 205 AB (HD 72626) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 08331-2436 BU 205 AB (HD 72626) : MEASURES
 
 
No records found.

 
 
WDS 08331-2436 (HD 72626) : VIRTUAL EYEPIECE
 
 

08331-2436 BU 205A mag 7.14 Sp A8IV 08331-2436 BU 205B sep 0.5 P.A. 276.50 mag 6.84 08331-2436 BU 205C sep 29.6 P.A. 356.60 mag 14 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 08331-2436 (HD 72626) : ALADIN DSS IMAGE @ 08h 33m 04.85s -24° 36' 24.8"
 
 
 
 
WDS 08331-2436 BU 205 AB (HD 72626) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

08331-2436 BU 205AB distance=0' 08342-2458 LDS 226AB distance=27' 08355-2506 BU 206 distance=45' 08357-2407 ARA2126 distance=47' 08316-2352 ARA2123 distance=48' 08293-2446 KPP3747 distance=53' 08331-2341 B 159 distance=56' 08289-2436 KIR 13Aa,Ab distance=58' 08289-2436 KIR 13 distance=58' 08349-2340 ARA2125 distance=62' 08376-2425 ARA2307 distance=63' 08375-2418 B 160 distance=64' 08287-2412 ARA2119 distance=65' 08315-2541 I 805 distance=69' 08294-2348 ARA2122 distance=70' 08281-2410 ARA2118 distance=74' 08326-2323 LDS 224 distance=74' 08382-2408 ARA2128 distance=75' 08276-2425 RST2556 distance=76' 08287-2350 HDS1210 distance=77' 08377-2353 HDS1240 distance=77' 08342-2554 RST2566 distance=79' 08299-2331 TDS5873 distance=79' 08385-2502 B 161AB distance=79' 08387-2415 ARA2130 distance=80' 08290-2339 ARA2120AB distance=80' 08290-2534 B 156 distance=81' 08294-2539 B 157 distance=81' 08280-2354 BRT1462 distance=82' 08351-2318 DON 261 distance=84' 08392-2500 TDS6010 distance=86' 08292-2328 ARA2121 distance=87' 08317-2601 I 807 distance=87' 08285-2334 TDS5854 distance=89' 08266-2411 ARA2116 distance=92' 08334-2304 LDS 225 distance=93' 08303-2602 B 158AB distance=94' 08303-2602 S 569AB,C distance=94' 08379-2325 ARA2127 distance=98' 08354-2304 ARA1742 distance=99' 08292-2559 B 2658 distance=99' 08394-2348 B 162 distance=99' 08387-2333 ARA2129 distance=100' 08282-2551 TDS5848 distance=100' 08282-2552 DAM1412 distance=101' 08281-2553 DAM1411 distance=102' 08264-2347 BRT1461 distance=104' 08407-2416 ARA2131 distance=106' 08407-2407 HDS1250 distance=109' 08270-2326 B 155 distance=110' 08353-2251 ARA1741 distance=110' 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 08331-2436 BU 205 AB 276 0.6
Show 08331-2436 BU 205 AB,C 356 29.6
Show 08342-2458 LDS 226 AB 268 9.4 27
Show 08355-2506 BU 206 275 2.0 45
Show 08357-2407 ARA2126 114 12.4 47
Show 08316-2352 ARA2123 32 11.1 48
Show 08293-2446 KPP3747 67 3.9 53
Show 08331-2341 B 159 202 5.2 56
Show 08289-2436 KIR 13 Aa,Ab 207 2.3 58
Show 08289-2436 KIR 13 282 26.7 58
Show 08349-2340 ARA2125 35 13.7 62
Show 08376-2425 ARA2307 265 11.2 63
Show 08375-2418 B 160 230 2.0 64
Show 08287-2412 ARA2119 294 6.7 65
Show 08315-2541 I 805 43 1.9 69
Show 08294-2348 ARA2122 32 13.9 70
Show 08281-2410 ARA2118 73 13.0 74
Show 08326-2323 LDS 224 253 49.7 74
Show 08382-2408 ARA2128 271 11.8 75
Show 08276-2425 RST2556 123 1.5 76
Show 08287-2350 HDS1210 184 0.1 77
Show 08377-2353 HDS1240 36 0.2 77
Show 08342-2554 RST2566 314 0.6 79
Show 08299-2331 TDS5873 347 2.0 79
Show 08385-2502 B 161 AB 317 8.3 79
Show 08387-2415 ARA2130 313 5.4 80
Show 08290-2339 ARA2120 AB 168 13.9 80
Show 08290-2534 B 156 348 0.3 81
Show 08294-2539 B 157 202 4.9 81
Show 08280-2354 BRT1462 185 5.5 82
Show 08351-2318 DON 261 314 0.3 84
Show 08392-2500 TDS6010 313 2.2 86
Show 08292-2328 ARA2121 195 12.3 87
Show 08317-2601 I 807 161 0.4 87
Show 08285-2334 TDS5854 215 0.5 89
Show 08266-2411 ARA2116 225 13.3 92
Show 08334-2304 LDS 225 122 10.8 93
Show 08303-2602 B 158 AB 38 1.1 94
Show 08303-2602 S 569 AB,C 334 18.7 94
Show 08379-2325 ARA2127 95 7.0 98
Show 08354-2304 ARA1742 280 11.6 99
Show 08292-2559 B 2658 151 33.2 99
Show 08394-2348 B 162 349 0.4 99
Show 08387-2333 ARA2129 210 8.5 100
Show 08282-2551 TDS5848 203 2.0 100
Show 08282-2552 DAM1412 179 2.6 101
Show 08281-2553 DAM1411 10 1.9 102
Show 08264-2347 BRT1461 5 3.9 104
Show 08407-2416 ARA2131 318 14.8 106
Show 08407-2407 HDS1250 289 0.3 109
Show 08270-2326 B 155 64 2.1 110

 
 
WDS 08331-2436 : COMPONENTS
 
 
  A B
B pa=276.5°
sep=0.50"
 
C pa=356.6°
sep=29.61"
pa=357.6°
sep=29.53"
 
 
08331-2436 A
 
 
Name HD 72626 Coord arcsec 2000 083304.85-243624.8 Mag 7.14 Spectral class A8IV (white)
PmRA -4.00 PmDE -31.0 SAO 176061 HIP 41949
HD 72626 HR 3381 GC 11724 ADS 6871
CD CD-24 7089 CP CP-24 3736
SAO
SAO 176061 DelFlag RA1950 PmRA1950 -0.0008
DE1950 PmDE1950 -0.019 Vmag 6.1 SpType A5
Double code Source 70 CatNum 11724 DM CD-24 7089
DMcomp BDsup HD 72626 M HD 0
GC 11724 RA1950rad 2.22930369 DE1950rad -0.42646806 PmRA2000 -0.0005
PmDE2000 -0.016
Hipparcos
Catalog H HIP 41949 Proxy H RAhms 08 33 04.85
DEdms -24 36 24.8 Vmag 6.19 VarFlag R Vmag G
RAdeg 128.27 DEdeg -24.6069 AstroRef A Plx 12.78
CCDM 08331-2436 N CCDM I Nsys 1 Ncomp 2
MultFlag C Source Qual A M HIP AB
Theta 328 Rho 0.549 HD 72626 BD
CD CD-24 7089 CP CP-24 3736 Dm number -24 7089 VIred 0.3
SpType F2IV/V R SpType Coord arcsec 2000 083304.85-243624.8
Hipparcos 2
HIP 41949 Sn 15 So 3 Nc 2
RArad 2.2387371558 DErad -0.4294712944 Plx 13.77 PmRA 4.27
PmDE -25.85 E RArad 0.5 E DErad 0.7 E Plx 0.69
E pmRA 0.49 E pmDE 0.61 Hpmag 6.2714 E Hpmag 0.0008
SHp 0.007 VA 0 BV 0.27 E BV 0.01
VI 0.3
CCDM
Ccdm 08331-2436 RComp Comp A Note1
Note2 Discov num DRAs -1.19 DDEs -23.4
R dRAs 10 Year Theta Rho
Obs 3 Vmag 6.9 Sp A5 PmNote *
PmRA -9 PmDE -20 Dm number -24 7089 Cat1 CD
Name2 176061 Cat2 SAO HD 72626 M HD
ADS BDS A 6871 M ADS BDS N IDS IDS 08288S2416A
HIC 41949
 
 
08331-2436 B
 
 
Coord arcsec 2000 083304.81-243624.7 Mag 6.84 PmRA -4.00 PmDE -31.0
Tycho2 6574-02067-1 Calc delta mag 0.3 Calc coord yes
Tycho2
Tycho2 6574-02067-1 Pflag RAmdeg 128.27013898 DEmdeg -24.60690720
PmRA -3.7 PmDE -31.0 E RAmdeg 4 E DEmdeg 4
E pmRA 1.4 E pmDE 1.3 EpRAm 1991.31 EpDEm 1991.34
Num 10 Q RAmdeg 1.2 Q DEmdeg 1.5 Q pmRA 1.2
Q pmDE 1.5 BTmag 6.585 E BTmag 0.015 VTmag 6.300
E VTmag 0.010 Prox 653 TYC T HIP 41949
CCDM AB RAdeg 128.27014861 DEdeg -24.60683528 EpRA 1990 1.51
EpDE 1990 1.62 E RAdeg 3.6 E DEdeg 3.6 Posflg P
Corr -0.1
CCDM
Ccdm 08331-2436 RComp Comp B Note1 *
Note2 Discov num BU 205 DRAs DDEs
R dRAs Year 1877 Theta Rho
Obs 99 Vmag 7.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6871 M ADS BDS N IDS IDS 08288S2416B
HIC 41949
 
 
08331-2436 C
 
 
Coord arcsec 2000 083304.72-243555.2 Mag 14 PmRA 1.00 PmDE 10.0
Calc delta mag 6.86 Calc coord yes
CCDM
Ccdm 08331-2436 RComp Comp C Note1
Note2 Discov num BU 205 DRAs DDEs
R dRAs Year 1898 Theta 354 Rho 26.4
Obs 1 Vmag 14.0 Sp PmNote
PmRA PmDE Dm number Cat1
Name2 Cat2 HD M HD
ADS BDS A 6871 M ADS BDS N IDS IDS 08288S2416C
HIC