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Current system
07148-1529
BU 575 AB
HD 56012


Nearby doubles
9' : 07143-1524
XMI 53

11' : 07144-1519
ROE 26AB

16' : 07137-1530
TDS4600

28' : 07157-1504
TDS4640

33' : 07132-1506
HU 455

40' : 07165-1559
ROE 28AB

51' : 07171-1451
YSC 2

54' : 07137-1620
ARA 32

63' : 07191-1533
TDS 354

65' : 07130-1430
BRT1865

73' : 07196-1553
HU 1243

75' : 07097-1541
DAM 742

75' : 07187-1617
A 3087AB

78' : 07150-1646
ARA 33

79' : 07101-1451
TDS4535

80' : 07094-1542
RST3495

83' : 07205-1519
ST 6

83' : 07094-1556
DAM1217

88' : 07093-1606
ARA 2

88' : 07122-1409
TDS4581

89' : 07138-1401
HJ 754

89' : 07169-1406
BRT1868

89' : 07096-1614
BU 329

89' : 07102-1431
A 3044

90' : 07098-1621
KPP2484

90' : 07113-1642
LDS 176



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.

07148-1529 BU 575 AB (HD 56012)

 
 
07h 14m 48.26s -15° 28' 33.5" P.A. 315.00 sep 0.4 mag 8.29,7.88 Sp F5V dist. 92.85 pc (302.88 l.y.)
 
 
Coord 2000 07148-1529 Discov num BU  575 Comp AB Coord arcsec 2000 07 14 48.26 -15 28 33.5
Date first 1878 Date last 2021 Obs 49
Pa first 199 Pa last 314.5 P.A. Now (θ) 314.5°
Sep first 0.7 Sep last 0.397 Sep. Now (ρ) 0.397"
Mag pri 8.29 Mag sec 7.88 delta mag (ΔM) 0.41 Spectral class F5V (yellow-white)
Pri motion ra +018 Sec motion ra +018
Pri motion dec -038 Sec motion dec -038
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
07148-1529 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show HD 56012 152609 07 14 48 -15 28 34 BU 575 AB 2021 49 315 0.4 8.29 7.88 0.41 Y <===
Show 152609 07 14 48 -15 28 34 STF 1057 AB,C 2019 20 1 15.7 8.29 9.89 1.60
Triple system
4 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 56012 Constellation Canis Major SAO 152609 HIP 35035
Tycho2 5965-02049-1 HD 56012 ADS 5925 BD BD-15 1720
Distance 92.85 Distance ly 302.88
 
 
ORBITAL ELEMENTS
 
 
Period (P)402.96y Periastron (T)1620.49y Semi-major axis (a)0.855a
Eccentricity (e)0.393 Inclination (i)57.5° Longitude of periastron (ω)79.4°
Node (Ω)267.2° Notesn ReferenceHrt2001a
Equinox2000 Last observation1998 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 284.8 0.519
2001 286.1 0.508
2002 287.3 0.498
2003 288.7 0.487
2004 290.1 0.476
2005 291.5 0.466
2006 293.0 0.455
2007 294.6 0.444
2008 296.3 0.432
2009 298.1 0.421
2010 300.0 0.410
2011 301.9 0.399
2012 304.0 0.388
2013 306.2 0.378
2014 308.5 0.367
2015 311.0 0.357
2016 313.6 0.347
2017 316.4 0.337
2018 319.3 0.328
2019 322.4 0.320
2020 325.6 0.312
2021 329.0 0.304
2022 332.6 0.298
2023 336.3 0.292
2024 340.1 0.288
2025 344.1 0.284
2026 348.1 0.282
2027 352.2 0.280
2028 356.3 0.280
2029 0.4 0.281
2030 4.5 0.283


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


 
  


wds07148-1529a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic		  
 
 
WDS 07148-1529 BU 575 AB (HD 56012) : NOTES
 
 
discov_num notes refcode
BU 575 AB. A premature orbit has been computed.
1997.1226: The magnitude difference of the system is listed in the WDS
as 0.1. Our reduction does not give the same quadrant as the latest
measure in the WDS. Hor1997
 
 
REFERENCES
 
 
refcode metd author reference
Hor1997 S j Horch, E.P., Ninkov, Z., & Slawson, R. 1997AJ....114.2117H
Hor1997 AJ 114, 2117, 1997
Hrt2001a orb - Hartkopf, W.I. & Mason, B.D. 2001IAUDS.143....7M
Hrt2001a Inf. Circ. 143, 7, 2001
 
 
DISCOVERER
 
 
idgroup discov author
1 BU Burnham, S.W. (BU 1 - 81)
179 STF Struve, F.G.W.
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
07148-1529 BU 575 AB 2003 46 288 0.5 8.29 7.88 F5V NOD 071448.26-152833.5
07148-1529 BU 575 AB 2010 47 297 0.5 8.29 7.88 F5V NOD 071448.26-152833.5
07148-1529 BU 575 AB 2014 47 302 0.4 8.29 7.88 F5V NO 071448.26-152833.5
07148-1529 BU 575 AB 2019 48 292 0.5 8.29 7.88 F5V NO 071448.26-152833.5
07148-1529 BU 575 AB 2021 49 315 0.4 8.29 7.88 F5V NO 071448.26-152833.5

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

 
 
WDS 07148-1529 BU 575 AB (HD 56012) : VISUAL OBSERVATIONS REPORTS
 
 
No records found.


 
 
WDS 07148-1529 BU 575 AB (HD 56012) : MEASURES
 
 
No records found.

 
 
WDS 07148-1529 (HD 56012) : VIRTUAL EYEPIECE
 
 

07148-1529 BU 575A mag 8.29 Sp F5V 07148-1529 BU 575B sep 0.4 P.A. 315.60 mag 7.88 07148-1529 STF1057C sep 15.7 P.A. 1.30 mag 9.89 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 07148-1529 (HD 56012) : ALADIN DSS IMAGE @ 07h 14m 48.26s -15° 28' 33.5"
 
 
 
 
WDS 07148-1529 BU 575 AB (HD 56012) : NEIGHBORHOODS
 
 
FoV:
Limit:
Primaries only

07148-1529 BU 575AB distance=0' 07143-1524 XMI 53 distance=9' 07144-1519 ROE 26AB distance=11' 07144-1519 ROE 26AC distance=11' 07137-1530 TDS4600 distance=16' 07157-1504 TDS4640 distance=28' 07132-1506 HU 455 distance=33' 07165-1559 ROE 28AB distance=40' 07165-1559 SHT 6AC distance=40' 07171-1451 YSC 2 distance=51' 07137-1620 ARA 32 distance=54' 07191-1533 TDS 354 distance=63' 07130-1430 BRT1865 distance=65' 07196-1553 HU 1243 distance=73' 07097-1541 DAM 742 distance=75' 07187-1617 A 3087AB distance=75' 07187-1617 A 3087AC distance=75' 07150-1646 ARA 33 distance=78' 07101-1451 TDS4535 distance=79' 07094-1542 RST3495 distance=80' 07205-1519 ST 6 distance=83' 07094-1556 DAM1217 distance=83' 07093-1606 ARA 2 distance=88' 07122-1409 TDS4581 distance=88' 07138-1401 HJ 754 distance=89' 07169-1406 BRT1868 distance=89' 07096-1614 BU 329 distance=89' 07102-1431 A 3044 distance=89' 07098-1621 KPP2484 distance=90' 07113-1642 LDS 176 distance=90' 07178-1410 BRT1870 distance=91' 07211-1518 ST 7 distance=92' 07148-1659 RST3502 distance=92' 07105-1638 BRG 24AB distance=93' 07105-1638 BRG 24AC distance=93' 07201-1435 BRT1871 distance=93' 07171-1359 HU 113AB distance=96' 07171-1359 HU 113AC distance=96' 07079-1542 A 3043 distance=102' 07193-1648 SKI 5 distance=103' 07209-1625 ARA 34 distance=105' 07217-1608 TDS4735 distance=107' 07143-1340 BRT1866 distance=108' 07224-1534 HJ 758 distance=111' 07194-1659 RST3508 distance=112' 07166-1719 ARA 182 distance=113' 07126-1719 TDS4583 distance=115' 07098-1400 BVD 64 distance=116' 07227-1506 BRT1873 distance=116' 07140-1334 TDS4605 distance=116' 07215-1634 TDS4730 distance=117' 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 07148-1529 BU 575 AB 315 0.4
Show 07148-1529 STF1057 AB,C 1 15.7
Show 07143-1524 XMI 53 220 25.3 9
Show 07144-1519 ROE 26 AB 121 10.4 11
Show 07144-1519 ROE 26 AC 51 52.4 11
Show 07137-1530 TDS4600 175 0.6 16
Show 07157-1504 TDS4640 348 0.5 28
Show 07132-1506 HU 455 203 3.9 33
Show 07165-1559 ROE 28 AB 217 4.7 40
Show 07165-1559 SHT 6 AC 160 15.7 40
Show 07171-1451 YSC 2 93 0.1 51
Show 07137-1620 ARA 32 257 8.5 54
Show 07191-1533 TDS 354 24 1.2 63
Show 07130-1430 BRT1865 297 5.3 65
Show 07196-1553 HU 1243 67 0.8 73
Show 07097-1541 DAM 742 130 15.8 75
Show 07187-1617 A 3087 AB 197 2.9 75
Show 07187-1617 A 3087 AC 29 11.0 75
Show 07150-1646 ARA 33 27 12.4 78
Show 07101-1451 TDS4535 119 1.3 79
Show 07094-1542 RST3495 194 1.6 80
Show 07205-1519 ST 6 168 4.3 83
Show 07094-1556 DAM1217 90 5.3 83
Show 07093-1606 ARA 2 80 11.6 88
Show 07122-1409 TDS4581 114 0.4 88
Show 07138-1401 HJ 754 344 11.5 89
Show 07169-1406 BRT1868 313 3.7 89
Show 07096-1614 BU 329 100 30.6 89
Show 07102-1431 A 3044 318 0.4 89
Show 07098-1621 KPP2484 346 22.3 90
Show 07113-1642 LDS 176 11 25.0 90
Show 07178-1410 BRT1870 79 3.8 91
Show 07211-1518 ST 7 41 2.2 92
Show 07148-1659 RST3502 92 1.2 92
Show 07105-1638 BRG 24 AB 1 0.5 93
Show 07105-1638 BRG 24 AC 288 2.0 93
Show 07201-1435 BRT1871 104 4.3 93
Show 07171-1359 HU 113 AB 55 1.8 96
Show 07171-1359 HU 113 AC 123 8.5 96
Show 07079-1542 A 3043 326 0.3 102
Show 07193-1648 SKI 5 106 2.6 103
Show 07209-1625 ARA 34 89 13.6 105
Show 07217-1608 TDS4735 319 0.5 107
Show 07143-1340 BRT1866 345 4.5 108
Show 07224-1534 HJ 758 237 13.1 111
Show 07194-1659 RST3508 280 1.3 112
Show 07166-1719 ARA 182 332 8.5 113
Show 07126-1719 TDS4583 160 0.4 115
Show 07098-1400 BVD 64 20 149.6 116
Show 07227-1506 BRT1873 267 3.6 116
Show 07140-1334 TDS4605 283 0.4 116

 
 
WDS 07148-1529 : COMPONENTS
 
 
  A B
B pa=315.6°
sep=0.39"
 
C pa=1.3°
sep=15.73"
pa=2.3°
sep=15.46"
 
 
07148-1529 A
 
 
Name HD 56012 Coord arcsec 2000 071448.26-152833.5 Mag 8.29 Spectral class F5V (yellow-white)
PmRA 18.00 PmDE -38.0 SAO 152609 HIP 35035
HD 56012 BD BD-15 1720
SAO
SAO 152609 DelFlag RA1950 PmRA1950 0.0012
DE1950 PmDE1950 -0.043 Vmag 7.9 SpType F8
Double code Source 21 CatNum 2555 DM BD-15 1720
DMcomp BDsup HD 56012 M HD 0
GC RA1950rad 1.88728078 DE1950rad -0.26856369 PmRA2000 0.0016
PmDE2000 -0.04
Hipparcos
Catalog H HIP 35035 Proxy H RAhms 07 14 48.26
DEdms -15 28 33.5 Vmag 7.28 VarFlag R Vmag G
RAdeg 108.701 DEdeg -15.476 AstroRef A Plx 10.18
CCDM 07148-1528 N CCDM I Nsys 2 Ncomp 2
MultFlag C Source P Qual B M HIP AB
Theta 96 Rho 0.6 HD 56012 BD BD-15 1720
CD CP Dm number -15 1720 VIred 0.5
SpType F3V R SpType Coord arcsec 2000 071448.26-152833.5
Hipparcos 2
HIP 35035 Sn 15 So 3 Nc 2
RArad 1.8971916636 DErad -0.2701067489 Plx 10.77 PmRA 23.73
PmDE -39.66 E RArad 2.76 E DErad 1.64 E Plx 2.93
E pmRA 2.64 E pmDE 2.8 Hpmag 7.3328 E Hpmag 0.0032
SHp 0.027 VA 0 BV 0.432 E BV 0.004
VI 0.5
 
 
07148-1529 B
 
 
Coord arcsec 2000 071448.24-152833.2 Mag 7.88 PmRA 18.00 PmDE -38.0
HIP 35034 Tycho2 5965-02049-1 Calc delta mag 0.41 Calc coord yes
Tycho2
Tycho2 5965-02049-1 Pflag RAmdeg 108.70119987 DEmdeg -15.47607675
PmRA 18.2 PmDE -38.3 E RAmdeg 5 E DEmdeg 5
E pmRA 1.3 E pmDE 1.5 EpRAm 1991.29 EpDEm 1991.44
Num 7 Q RAmdeg 0.4 Q DEmdeg 0.4 Q pmRA 0.4
Q pmDE 0.5 BTmag 7.872 E BTmag 0.015 VTmag 7.419
E VTmag 0.011 Prox 157 TYC T HIP 35035
CCDM AB RAdeg 108.70115611 DEdeg -15.47598806 EpRA 1990 1.67
EpDE 1990 1.67 E RAdeg 4.9 E DEdeg 5.0 Posflg P
Corr 0.1
Hipparcos
Catalog H HIP 35034 Proxy RAhms 07 14 48.30
DEdms -15 28 17.9 Vmag 7.6 VarFlag R Vmag H
RAdeg 108.701 DEdeg -15.4716 AstroRef C Plx 10.18
CCDM 07148-1528 N CCDM I Nsys 2 Ncomp 1
MultFlag C Source F Qual B M HIP
Theta Rho HD BD
CD CP Dm number VIred 0.69
SpType R SpType Coord arcsec 2000 071448.30-152817.9
Hipparcos 2
HIP 35034 Sn 15 So 3 Nc 1
RArad 1.897194877 DErad -0.2700309599 Plx 9.33 PmRA 19.26
PmDE -31.42 E RArad 7.78 E DErad 5.1 E Plx 9.24
E pmRA 7.01 E pmDE 7.88 Hpmag 7.7261 E Hpmag 0.069
SHp 0.447 VA 0 BV 0.62 E BV 0.015
VI 0.69
 
 
07148-1529 C
 
 
Coord arcsec 2000 071448.28-152817.8 Mag 9.89 PmRA 20.00 PmDE -38.0
Calc delta mag 1.6 Calc coord yes