07148-1529 BU 575 AB (HD 56012)

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	2022		Obs	50
Pa first	199		Pa last	306.1		P.A. Now (θ)	306.1°
Sep first	0.7		Sep last	0.393		Sep. Now (ρ)	0.393"
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.

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	2022	50	306	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
2 estimated visually detectable stars in this system

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

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°		Notes	n		Reference	Hrt2001a
Equinox	2000		Last observation	1998		Grade	5	(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 2031 8.4 0.286 2032 12.3 0.290 2033 16.1 0.295 2034 19.7 0.302 2035 23.2 0.308 2036 26.5 0.316 2037 29.7 0.325 2038 32.6 0.334 2039 35.5 0.343 2040 38.1 0.353 2041 40.6 0.364 2042 43.0 0.374 2043 45.2 0.385 2044 47.4 0.396 2045 49.4 0.408 2046 51.2 0.419 2047 53.0 0.431 2048 54.7 0.443 2049 56.3 0.454 2050 57.8 0.466

Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st. Measures: green=micrometric, blue=interferometric, purple=photographic

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

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

discov	author
BU	Burnham, S.W. (BU 1 - 81)
HOR	Horch, E.P., Robinson, S.E., Ninkov, Z., van Altena, W.F., Meyer, R.D.,
HOR	Urban, S.E., & Mason, B.D.
HOR	Horch, E.P. Davidson, J.W., Jr., van Altena, W.F., Girard, T.M., Lopez, C.E.,
HOR	Franz, O.G., & Timothy, J.G.
HOR	Horch, E.P., van Altena, W.F., Cyr, W.M., Jr., Kinsman-Smith, L., Srivastava, A.,
HOR	& Zhou, J.
HOR	Horch, E.P., Gomez, S.C., Sherry, W.H., Howell, S.B., Ciardi, D.R.,
HOR	Anderson, L.M., & van Altena, W.F.
HOR	Horch, E.P., Bahi, L.A.P., Gaulin, J.R., Howell, S.B., Sherry, W.H., Galle, R.B.,
HOR	& van Altena, W.F.
HOR	Horch, E.P., van Altena, W.F., Demargue, P., Howell, S.B., Everett, M.E.,
HOR	Ciardi, D.R., Teske, J.K., Henry, T.J., & Winters, J.G.
HOR	Horch, E.P., Casetti-Dinescu, D.I., Camarata, M.A., Bidarian, A.,
HOR	van Altena, W.F., Sherry, W.H., Everett, M.E., Howell, S.B., Ciardi, D.R.,
HOR	Henry, T.J., Nusdeo, D.A., & Winters, J.G.
HOR	Horch, E.P., Tokovinin, A., Weiss, S.A., Lobb, J., Casetti-Dinescu, D.I.,
HOR	Horch, E.P., van Belle, G.T., Davidson, J.W., Jr., Willmarth, D., Fekel, F.C.,
HOR	Colton, N.M., Horch, E.P., Everett, M.E., Howell, S.B., Davidson, J.W., Jr.,
HOR	Horch, E.P., Broderick, K.G., Casetti-Dinescu, D.I., Henry, T.J., Fekel, F.C.,
HOR	Kalari, V.M., Horch, E.P., Salinas, R., Vink, J.S., Andersen, M., Bestenlehner,
HRT	Hartkopf, W.I. & McAlister, H.A.
HRT	Hartkopf, W.I., McAlister, H.A., Mason, B.D., ten Brummelaar, T.A., Roberts, J.C.,
HRT	Jr., Turner, N.H., & Wilson, J.W.
HRT	Hartkopf, W.I., W.I., Mason, B.D., Gies, D.R., ten Brummelaar, T.,
HRT	McAlister, H.A., Moffat, A.F.J., Shara, M.M., & Wallace, D.J.
HRT	Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
HRT	Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
HRT	Hartkopf, W.I., Mason, B.D., McAlister, H.A., Roberts, L.C., Jr., Turner, N.H.,
HRT	ten Brummelaar, T.A., Prieto, C.M., Ling, J.F., & Franz, O.G.
HRT	Mason, B.D., Henry, T.J., Soderblom. D.R., Hartkopf, W.I., Holdenreid, E.R.,
HRT	Rafferty, T.J., & Urban, S.E.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	dm_number	notes	coord_arcsec_2000
07148-1529	BU 575	AB	2003	46	288	0.5	8.29	7.88	F5V	-15 1720	NOD	071448.26-152833.5
07148-1529	BU 575	AB	2010	47	297	0.5	8.29	7.88	F5V	-15 1720	NOD	071448.26-152833.5
07148-1529	BU 575	AB	2014	47	302	0.4	8.29	7.88	F5V	-15 1720	NO	071448.26-152833.5
07148-1529	BU 575	AB	2019	48	292	0.5	8.29	7.88	F5V	-15 1720	NO	071448.26-152833.5
07148-1529	BU 575	AB	2021	49	315	0.4	8.29	7.88	F5V	-15 1720	NO	071448.26-152833.5
07148-1529	BU 575	AB	2022	50	306	0.4	8.29	7.88	F5V	-15 1720	NO	071448.26-152833.5

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Radius: auto 0.5" 0.8" 1" 2" 3" 5" 10" 15" 20" 25" 30" 35" 40" 45" 50" 55" 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 15' 20' 30' 40' 50' 1° 2° 4° 5° 8° Components only

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

FoV: 30" 1' 5' 15' 30' 1° 2° 4° 5° 8° Limit: 2 3 4 5 10 15 20 25 30 50 100 Primaries only
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Show name coord_2000 discov# comp pa sep dist(') Show 07148-1529 BU 575 AB 306 0.4 0 Show 07148-1529 STF1057 AB,C 1 15.7 0 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 339 0.4 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 92 0.0 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 329 0.3 102 Show 07193-1648 SKI 5 107 2.8 103 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

	A	B
B	pa=306.1° sep=0.39"
C	pa=1.3° sep=15.73"	pa=2.5° sep=15.51"

Name	HD 56012		Coord arcsec 2000	071448.26-152833.5		Mag	8.29		Spectral class	F5V (yellow-white)
PmRA	18.00		PmDE	-38.0		HIP	35035		BD	BD-15 1720

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	22.57		N CCDM	I		Nsys	2		Ncomp	2
MultFlag	C		Source	P		Qual	B		M HIP	AB
Theta	96		Rho	0.6		HD			BD	BD-15 1720
CD			CP			Dm number	-15 1720		VIred	0.5
SpType	F3V		R SpType			Coord arcsec 2000	071448.26-152833.5

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			E Hpmag	0.0032
SHp	0.027		VA	0		BV	0.432		E BV	0.004
VI	0.5

Coord arcsec 2000	071448.24-152833.3		Mag	7.88		PmRA	18.00		PmDE	-38.0
Tycho2	5965-02049-1		HD	56012		Delta magnitude	0.41		Coordinate calculated	yes

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

Coord arcsec 2000	071448.28-152817.8		Mag	9.89		PmRA	20.00		PmDE	-38.0
Delta magnitude	1.6		Coordinate calculated	yes