04287+1552 SMR 87 AF

Coord 2000	04287+1552		Discov num	SMR  87		Comp	AF		Coord arcsec 2000	04 28 39.74 +15 52 15.2
Date first	1997		Date last	2023		Obs	2
Pa first	236		Pa last	238.4		P.A. Now (θ)	238.4°
Sep first	36.5		Sep last	38.66		Sep. Now (ρ)	38.66"
Mag pri	3.41		Mag sec	15.50		delta mag (ΔM)	12.09		Spectral class	A7III (white)
Pri motion ra	+106		Sec motion ra
Pri motion dec	-020		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		93957	04 28 40 +15 52 15	MKT 13 Aa,Ab	1998	34	334	0.0	3.74	4.86	1.12	Y
Show	Chamukuy	93957	04 28 40 +15 52 15	STFA 10 AB	2019	46	347	336.9	3.41	3.94	0.53
Show		93957	04 28 40 +15 52 15	SMR 87 AD	2023	2	32	32.0	3.41	15.40	11.99
Show		93957	04 28 40 +15 52 15	SMR 87 AE	2023	3	59	92.0	3.41	15.20	11.79
Show		93957	04 28 40 +15 52 15	SMR 87 AF	2023	2	238	38.7	3.41	15.50	12.09		<===
Show		93955	04 28 34 +15 57 44	MCA 15 Ba,Bb	2023	54	351	0.1	3.84	7.30	3.46	Y
Show		93955	04 28 34 +15 57 44	BPMA 7 BC	2015	7	75	268.3	3.84	11.96	8.12

Octuple system
6 estimated visually detectable stars in this system

Common name	Chamukuy		Constellation	Taurus		SAO	93957		HIP	20894
Tycho2	1265-01172-1		HD	28319		HR	1412		GC	5436
BD	BD+15 632		Bayer	Theta 2 Tauri		Bayer name	The2 Tau		Flamsteed	78 Tauri
Flamsteed name	78 Tau		Distance	46.1		Distance ly	150.38		Bayer greek	θ2 Tau

discov_num	notes	refcode
STFA 10	AB: the 2 Tau = 78 Tau = Chamukuy. Hyades vB 72 = HR 1412.
	Pair appears in an appendix list, not part of discoverer's regular
	numbering sequence. B is BD+15@631.
	Also variable, probably of Delta Scuti type.
	The 140.7-day SB of Ebbighausen (1959 Pub. DAO, 11, 235) is outside
	our detection window.	Msn1993a
	UBAD 2.1 relative astrometry measures computed. Table 1 mean positions	USN2022
	for 2017.0 and Table 2 mean dates computed as well when appropriate.
MKT 13	Aa,Ab: Data from lunar occultation, spectroscopy, and Mark III
	astrometry are combined by Torres et al. to generate orbital elements.	Trr1997c
	Distance and component masses and absolute magnitudes are derived from
	these elements.
	Period is fixed for the Armstrong et al. (2006) orbit. The resulting	MkT2006
	component masses are 2.15 +/- 0.12 Msun and 1.87 +/- 0.11 Msun.
	Aa,Ab: Orbit determined by fitting revised Hipparcos intermediate
	astrometric data. Derived component masses are 2.03 +/- 0.87 and
	1.78 +/- 0.76 Msun.	Ren2010
	Aa,Ab: Combined spectroscopic/astrometric solution, using data from
	Mark III interferometer plus high-resolution spectroscopy from ELODIE,
	HERMES, and CfA. Torres et al. (2011) determine an orbital parallax of	Lmp2011
	20.90 +/- 0.14 mas and component masses 2.86 +/- 0.06 and 2.16 +/-
	0.02 Msun. Effective temperatures for both components are 7800 +/-
	170K, absolute magnitues are 0.33 +/- 0.03 and 1.44 +/- 0.03 mag.
	Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 4.46 +/- 0.29, 3.81, and 2.00 Msun, respectively.	Mlk2012
MCA 15	Ba,Bb:The primary of 04286+1558 was found to be the B component of
	physical pair 04287+1552; systems were merged.
	the 1 Tau = 77 Tau. Hyad (vB 71). Physical companion to the 2 Tau.
	A spectroscopic, occultation, and interferometric binary.
	First detected as an occultation binary by White.	Wit1979
	1979.698, 1979.857: possible third component	Heg1983
	This is a long period interferometric companion in addition to the
	spectroscopic component suggested by Griffin & Gunn (1977) to have a	Grf1977d
	period of about 16 years. An estimate of Delta m = 0.76 was made by	Dmb1991
	Dombrowski (1991).	Msn1993a
	Masses and distance of the 2 Tau are derived from spectroscopic
	elements, adopting astrometric elements from Pan et al. (1992)	MkT1992e
	Combined spectroscopic/astrometric solution by Torres et al. (1997).	Trr1997c
	Distance (from relative proper motions and orbital parallax of the 2
	Tau) 47.6 +/- 1.9 pc, masses 2.91 +/= 0.88 and 1.31 +/- 0.14 Msun.
	CHARA Array Limb-darkened diameter of B 2.305 +/- 0.043 mas.	CIA2009a
	R = 11.7 +/- 0.2 \rsun, Teff = 4811 +/- 50 K.
	Ba,Bb : New spectroscopic solution determined by Griffin.	Grf2012b
	Ba,Bb: Malkov et al. (2012) derive dynamical and spectroscopic masses
	4.14 +/- 0.35 and 2.88 Msun, respectively.	Mlk2012
BPMA 7	BC: [PM2000] 171052 + [PM2000] 171309.	Gvr2010

refcode	metd	author	reference
CIA2009a	not j	Baines, E.K., McAlister, H.A., ten Brummelaar, T.A., Sturmann, J., Sturmann, L.,	2009ApJ...701..154B
CIA2009a		Turner, N.H. & Ridgway, S.T.	.
CIA2009a		ApJ 701, 154, 2009	.
Dmb1991	-	Dombrowski, E.G.	.
Dmb1991		PhD thesis, Georgia State Univ., 1991
Grf1977d	orb -	Griffin, R.F. & Gunn, J.E.	1977AJ.....82..176G
Grf1977d		AJ 82, 176, 1977
Grf2012b	not -	Griffin, R.F.	2012JApA...33...29G
Grf2012b		J Astrophys Astron 33, 29, 2012
Gvr2010	Pa -	Gavras, P. Sinachopoulos, D., Le Campion, J.F., & Cucourant, C.	2010A&A...521A 4G
Gvr2010	+T	A&A 521, A4, 2010
Gvr2010		(Note: mean measures from AC2000.2, CdC2000, USNO-A2.0, Yellow Sky, and M2000
Gvr2010		catalogs, spanning years ~1900-2000)
Heg1983	S j	Hege, E.K., Hubbard, E.N., Cocke, W.J., Strittmatter, P.A., Worden, S.P., &	1983LowOB.167..185H
Heg1983		Radick, R.R.
Heg1983		IAU Colloq 62, Lowell Obs Bull 167, v 9, #1, 185, 1983 "Current Techniques in
Heg1983		Double & Multiple Star Research", R.S. Harrington & O.G. Franz, eds.
Lmp2011	orb -	Torres, K.B.V., Lampens, P., Fremat, Y., Hensberge, H., Lebreton, Y., & Skoda, P.	2011A&A...525A..50T
Lmp2011		A&A 525, A50, 2011
MkT1992e	orb -	Pan, X.-P., Shao, M., & Colavita, M.M.	1992ASPC...32..502P
MkT1992e		IAU Colloq 135, ASP Conf. 32, 502, 1992
MkT2006	Kn j	Armstrong, J.T., Mozurkewich, D., Hajian, A.R., Johnston, K.J., Thessin, R.N.,	2006AJ....131.2643A
MkT2006	+Km	Peterson, D.M., Hummel, C.A., & Gilbreath, G.C.
MkT2006	+orb	AJ 131, 2643, 2006
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012
Msn1993a	Sc j	Mason, B.D., McAlister, H.A., Hartkopf, W.I., & Bagnuolo, W.G.	1993AJ....105..220M
Msn1993a		AJ 105, 220, 1993
Ren2010	orb -	Ren, S. & Fu, Y.	2010AJ....139.1975R
Ren2010		AJ 139, 1975, 2010
Trr1997c	orb -	Torres, G., Stefanik, R.P., & Latham, D.W.	1997ApJ...485..167T
Trr1997c		ApJ 485, 167, 1997
USN2022	C
USN2022		Munn, J.A., Subasavage, J.P., Harris, H.C. & Tilleman, T.M.	2022AJ....163..131M
USN2022
Wit1979	O j	White, N.M.	1979AJ.....84..872W
Wit1979		AJ 84, 872, 1979

discov	author
BPM	Bordeaux PM2000 catalogue (main catalog: separation < 2')
CIA	McAlister, H.A., ten Brummelaar, T.A., Gies, D.R., Huang, W., Bagnuolo, Jr., W.G.,
CIA	Shure, M.A., Sturmann, J., Sturmann, L., Turner, N.H., Taylor, S.F., Berger, D.H.,
CIA	Baines, E.K., Grundstrom, E. & Ogden, C.
CIA	Berger, D.H., Gies, D.R., McAlister, H.A., ten Brummelaar, T.A., Henry, T.J.,
CIA	Sturmann, J., Sturmann, L., Turner, N.H., Ridgway, S.T., Aufdenberg, J.P. &
CIA	Di Holco, E., Absil, O., Augereau, J.-C., Merand, A., Coude du Foresto, V.,
CIA	Thevenin, F., Defrere, D., Kervella, P., ten Brummelaar, T.A., McAlister, H.A.,
CIA	Ridgway, S.T., Sturmann, J., Sturmann, L. & Turner, N.H.
CIA	Zhao, M., Gies, D., Monnier, J.D., Thureau, N., Pedretti, E., Baron, F.,
CIA	Merand, A., ten Brummelaar, T., McAlister, H., Ridgway, S.T., Turner, N.,
CIA	Sturmann, J., Sturmann, L., Farrington, C., & Goldfinger, P.J.
CIA	Baines, E.K., McAlister, H.A., ten Brummelaar, T.A., Turner, N.H., Sturmann, J.,
CIA	Sturmann, L., Goldfinger, P.J. & Ridgway, S.T.
CIA	Boyajian, T.S., McAlister, H.A., Baines, E.K., Gies, D.R., Henry, T., Jao, W.-C.,
CIA	O'Brien, D., Raghavan, D., Touhami, Y., ten Brummelaar, T.A., Farrington, C.,
CIA	Goldfinger, P.J., Sturmann, L., Sturmann, J., Turner, N.H. & Ridgway, S.
CIA	Kervella, P., Merand, A., Pichon, B., Thevenin, F., Heiter, U., Bigot, L.,
CIA	ten Brummelaar, T.A., McAlister, H.A., Ridgway, S.T., Turner, N., Sturmann, J.,
CIA	Sturmann, L., Goldfinger, P.J. & Farrington, C.
CIA	Baines, E.K., McAlister, H.A., ten Brummelaar, T.A., Sturmann, J., Sturmann, L.,
CIA	Turner, N.H. & Ridgway, S.T.
CIA	Boyajian, T.S., McAlister, H.A., Cantrell, J.R., Gies, D.R., ten Brummelaar, T.A.,
CIA	Farrington, C., Goldfinger, P.J., Sturmann, L., Sturmann, J., Turner, N.H. &
CIA	Farrington, C.D., ten Brummelaar, T.A., Mason, B.D., Hartkopf, W.I., McAlister,
CIA	H.A., Raghavan, D., Turner, N.H., Sturmann, L., Sturmann, J., & Ridgway, S.T.
CIA	Baines, E.K., Dollinger, M.P., Cusano, F., Guenther, E.W., Hatzes, A.P.,
CIA	McAlister, H.A., ten Brummelaar, T.A., Turner, N.H., Sturmann, J., Sturmann, L.,
CIA	Goldfinger, P.J., Farrington, C.D. & Ridgway, S.T.
CIA	ten Brummelaar, T.A., O'Brien, D.P., Mason, B.D., Farrington, C.D.,
CIA	Fullerton, A.W., Gies, D.R., Grundstrom, E.D., Hartkopf, W.I., et al.
CIA	O'Brien, D.P., McAlister, H.A., Raghavan, D., Boyajian, T.S.,
CIA	ten Brummelaar, T.A., Sturmann, J., Sturmann, L., Turner, N.H., & Ridgway, S.
CIA	Monnier, J.D., Zhao, M., Pedretti, E., Millan-Gabet, R., Berger, J.-P., Traub, W.,
CIA	Schloerb, F.P., ten Brummelaar, T., McAlister, H., Ridgway, S., Sturmann, L.,
CIA	Sturmann, J., et al.
CIA	Raghavan, D., Farrington, C.D., ten Brummelaar, T.A., McAlister, H.A.,
CIA	Ridgway, S.T., Sturmann, L., Sturmann, J., & Turner, N.H.
CIA	Baron, F., Monnier, J., Pedretti, E., Zhao, M., Schaefer, G., Parks, R., Che, X.,
CIA	Thureau, N., ten Brummelaar, T.A., McAlister, H.A., Ridgway, S.T., Farrington, C.,
CIA	Sturmann, J., Sturmann, L., & Turner, N.
CIA	Che, X., Monnier, J.D., Tycner, C., Kraus, S., Zavala, R.T., Baron, F., Pedretti,
CIA	E., ten Brummelaar, T., McAlister, H., Ridgway, S.T., Sturmann, J., Sturmann, L.,
CIA	& Turner, N.
CIA	Baines, E.K., White, R.J., Huber, D., Jones, J., Boyajian, T., McAlister, H.A.,
CIA	ten Brummelaar, T.A., Turner, N.H., Sturmann, J., Sturmann, L., Goldfinger, P.J.,
CIA	Farrington, C.D., Riedel, A.R., Ireland, M., von Braun, K. & Ridgway, S.T.
CIA	Boyajian, T.S., McAlister, H.A., van Belle, G., Gies, D.R., ten Brummelaar, T.A.,
CIA	von Braun, K., Farrington, C., Goldfinger, P.J., O'Brien, D., Parks, J.R.,
CIA	Richardson, N.D., Ridgway, S., Schaefer, G., Sturmann, L., Sturmann, J., Touhami,
CIA	Y., Turner, N.H. & White, R.
CIA	Boyajian, T.S., von Braun, K., van Belle, G., McAlister, H.A., ten Brummelaar,
CIA	T.A., Kane, S.R., Muirhead, P.S., Jones, J., White, R., Schaefer, G., Ciardi, D.,
CIA	Henry, T., Lopez-Morales, M., Ridgway, S., Gies, D., Jao, W.-C., Rojas-Ayala, B.,
CIA	Parks, J.R., Sturmann, L., Sturmann, J., Turner, N.H., Farrington, C., Goldfinger,
CIA	ApJ 757, 112, 2012
CIA	Gallenne, A., Monnier, J., Merand, A., Kervella, P., Kraus, S., Schaefer, G.H.,
CIA	Gieren, W., Pietrzynski, G., Szabados, L., Che, X., Baron, F., Pedretti,E., et al.
CIA	Absil, O., Defrere, D., Coude du Foresto, V., Di Folco, E., Merand, A., Augereau,
CIA	J.-C., Ertel, S., Hanot, C., Kervella, P., Mollier, B., Scott, N., Che, X. et al.
CIA	Boyajian, T.S., von Braun, K., van Belle, G., Farrington, C., Schaefer, G., Jones,
CIA	J., White, R., McAlister, H.A., ten Brummelaar, T.A., Ridgway, S., Gies, D.R.,
CIA	Sturmann, L., Sturmann, J., Turner, N.H., Goldfinger, P.J. & Vargas, N.
CIA	Farrington, C.D., ten Brummelaar, T.A., Mason, B.D., Hartkopf, W.I., Mourard, D.,
CIA	Moravveji, E., McAlister, H.A., Turner, N.H., Sturmann, L., & Sturmann, J.
CIA	von Braun, K., Boyajian, T.S., van Belle, G.T., Kane, S.R., Jones, J., Farrington,
CIA	C., Schaefer, G., Vargas, N., Scott, N., ten Brummelaar, T.A., Kephart, M., Gies,
CIA	D.R., Ciardi, D.R., Lopez-Morales, M., Mazingue, C., McAlister, H.A., Ridgway, S.,
CIA	Goldfinger, P.J., Turner, N.H. & Sturmann, L.
CIA	Mourard, D., Monnier, J., Meilland, A., Gies, D., Millour, F., Benisty, M.,
CIA	Che, X., Grundstrom, E.D., Ligi, R., Schaefer, G., Baron, F., Kraus, S.,
CIA	Zhao, M., Pedretti, E., Berio, P., Clausse, J.M., Nardetto, N., Perraut, K.,
CIA	Spang, A., Stee, P., Tallon-Bose, I., McAlister, H., ten Brummelaar, T.,
CIA	Ridgway, S.T., Sturmann, J., Sturmann, L., Turner, N. & Farrington, C.
CIA	Roettenbacher, R.M., Monnier, J., Henry, G.W., Fekel, F.C., Williamson, M.H.,
CIA	Pourbaix, D., Latham, D.W., Latham, C.A., Torres, G., Baron, F., Che, X.,
CIA	Kraus, S., et al.
CIA	Roettenbacher, R.M., Monnier, J., Fekel, F.C., Henry, G.W., Korhonen, H.,
CIA	Latham, D.W., Muterspaugh, M.W., Williamson, M.H., Baron, F.,
CIA	ten Brummelaar, T.A., Che, X., Harmon, R.O., et al.
CIA	Boyajian, T., von Braun, K., Feiden, G.A., Huber, D., Basu, S., Demarque, P.,
CIA	Fischer, D.A., Schaefer, G., Mann, A.W., White, T.T., Maestro, V., Brewer, J.,
CIA	Lamell, C.B., Spada, F., Lopez-Morales, M., Ireland, M., Farrington, C., van Belle,
CIA	G.T., Kane, S.R., Jones, J., ten Brummelaar, T.A., Ciardi, D.R., McAlister, H.A.,
CIA	Ridgway, S., Goldfinger, P.J., Turner, N.H. & Sturmann, L.
CIA	Gallenne, A., Merand, A., Kervella, P., Monnier, J., Schaefer, G.H.,
CIA	Roettenbacher, R.M., Gieren, W., Pietrzynski, G., McAlister, H.A.,
CIA	ten Brummelaar, T.A., Sturmann, J., Sturmann, L., Turner, N.H., & Anderson, R.I.
CIA	Richardson, N.D., Shenar, T., Roy-Loubier, O., Schaefer, G., Moffat, A.F.J.,
CIA	St-Louis, N., Gies, D.R., Farrington, C., Hill, G.M., Williams, P.M.,
CIA	Gordon, K., Pablo, H., & Ramiaramanantsoa, T.
CIA	Schaefer, G.H., Hummel, C.A., Gies, D.R., Zavala, R.T., Monnier, J.D.,
CIA	Walter, F.M., Turner, N.H., Baron, F., ten Brummelaar, T., Che, X.,
CIA	Farrington, C.D., Kraus, S., Sturmann, J., & Sturmann, L.
CIA	Gardner, T., Monnier, J.D., Fekel, F.C., Williamson, M., Duncan, D.K., White, T.R.,
CIA	Ireland, M., Adams, F.C., Barman, T., Baron, F., ten Brummelaar, T., Che, X.,
CIA	Huber, D., Kraus, S., Roettenbacher, R.M., Schaefer, G., Sturmann, J., Sturmann, L.,
CIA	ApJ 855, 1, 2018
CIA	Schaefer, G.H., White, R.J., Baines, E.K., Boyajian, T.S., ten Brummelaar, T.A.,
CIA	White, T.R., Huber, D., Mann, A.W., Casagrande, L., Grunblatt, S.K., Justesen,
CIA	Farrington, C.D., Fekel, F.C., Schaefer, G.H. & ten Brummelaar, T.A.
CIA	Lester, K.V., Gies, D.R., Schaefer, G.H., Farrington, C.D., Monnier, J.D.,
CIA	Lester, K.V., Gies, D.R., Schaefer, G.H., Farrington, C.D., Guo, Z., Matson, R.A.,
CIA	Lester, K.V., Fekel, F.C., Muterspaugh, M., Gies, D.R., Schaefer, G.H., Farrington,
CIA	Thomas, J.D., Richardson, N.D., Eldridge, J.J., Schaefer, G., Monnier, J.D.,
CIA	Sana, H., Moffat, A.F.J., Williams, P., Corcoran, M.F., Stevens, I.R., Weigelt, G.,
CIA	Zainol, F.D., Anugu, N., Le Bouquin, J.-B., ten Brumelaar, T.A., Campos, F., et al.
CIA	Klement, R., Hadrava, P., Rivinius, T., Baade, D., Cabezas, M., Heida, M.,
CIA	Schaefer, G.H., Gardner, T., Gies, D.R., Anugu, N., Lanthermann, C., Davies, C.L.,
CIA	Anderson, M.D., Monnier, J.D., Ennis, J., Labdon, A., Setterholm, B.R., Kraus, S.,
CIA	ten Brummelaar, T.A. & Le Bouquin, J.-B.
CIA	Gardner, T., Monnier, J.D., Fekel, F.C., Williamson, M., Baron, F., Hinkley, S.,
CIA	Gardner, T., Monnier, J.D., Fekel, F.C., Schaefer, G., Johnson, K.J.C., Le Bouquin,
CIA	Richardson, N.D., Lee, L., Schaefer, G., Shenar, T., Sander, A.A.C., Hill, G.M.,
CIA	Klement, R., Schaefer, G.H., Gies, D.R., Wang, L., Baade, D., Rivinius, T.,
CIA	Schaefer, G., Anugu, N., ten Brummelaar, T., Farrington, C., Gies, D., Jones, J.,
CIA	Morales, L.M., Sandquist, E.L., Schaefer, G.H., Farrington, C.D., Klement, R.,
CIA	Torres, G., Schaefer, G.H., Monnier, J.D., Anugu, N., Davies, C.L., Ennis, J.,
CIA	Farrington, C.D., Gardner, T., Klement, R., Kraus, S., Labdon, A., Lanthermann, C.,
CIA	Lester, K.V., Schaefer, G.H., Fekel, F.C., Gies, D.R., Henry, T.J., Jao, W.-C.,
CIA	Gardner, T., Monnier, J.D., Fekel, F.C., Le Bouquin, J.-B., Scovera, A., Schaefer,
CIA	Klement, R., Baade, D., Rivinius, T., Gies, D.R., Wang, L., Labadie-Bartz, J.,
CIA	De Furio, M., Gardner, T., Monnier, J., Meyer, M.R., Kratter, K., Schaefer, G.,
CIA	Lanthermann, C., Le Bouquin, J.-B., Sana, H., Merand, A., Monnier, J.D., Perrault,
CIA	K., Frost, A.J., Mahy, L., Gosset, E., De Becker, M., Kraus, S., Aruga, N. et al.
CIA	Lam, R., Sandquist, E.L., Schaefer, G.H., Farrington, C.D., Monnier, J.D., Anugu,
CIA	AJ 166, 29, 2023
CIA	Klement, R., Rivinius, T., Gies, D.R., Baade, D., Merand, A., Monnier, J.D.,
CIA	Echeverri, D., Xuan, J.W., Monnier, J.D., Delorme, J.-R., Wang, J.J., Jovanovic,
CIA	Evans, N.R., Schaefer, G.H., Gallenne, A., Torres, G., Horch, E.P., Anderson, R.I.,
CIA	Torres, G., Schaefer, G.H., Stefanik, R.P., Latham, D.W., Boden, A.F., Anugu, N.,
CIA	Evans, N.R., Gallenne, A., Kervella, P., Merand, A., Monnier, J., Anderson, R.I.,
CIA	Kuraszkiewicz, J., Anugu, N., Roettenbacher, R.M., Lanthermann, C., Gutierrez, M.,
CIA	Richardson, N.D., Schaefer, G.H., Eldridge, J.J., Spejcher, R., Holdsworth, A.,
CIA	Holdsworth, A., Richardson, N.D., Schaefer, G.H., Eldridge, J.J., Hill, G.M.,
CIA	Shepard, K., Gies, D.R., Schaefer, G.H., Anugu, N., Baron, F.R., Lanthermann, C.,
CIA	Danner, C.A., Sandquist, E.L., Schaefer, G.H., Bedin, L.R., Farrington, C.D.,
CIA	De Furio, M., Gardner, T., Monnier, J.D., Meyer, M.R., Kratter, K.M., Lanthermann,
CIA	Torres, G., Tkachenko, A., Pavlovski,K., Gossage, S., Schaefer, G.H., Melis. C.,
DMB	Dombrowski, E.G.
GRF	Griffin, R.F., Griffin, R.E.M., Snyder, L.F., Schroder, K.-P., Pray, D.,
GRF	Ohshima, O., Tokoro, T., Clark, W.E., Williams, D.B., Houchen, M.B., Arai, K.,
GRF	Krisciunas, K. & Watson, J.
MKT	Shao, M., Colavita, M.M., Hines, B.E., Staelin, D.H., Hutter, D.J., Johnston, K.J.,
MKT	Mozurkewich, D., Simon, R.S., Hershey, J.L., Hughes, J.A. & Kaplan, G.H.
MKT	Hutter, D.J., Johnston, K.J., Mozurkewich, D., Simon, R.S., Colavita, M.M., Pan,
MKT	X.P., Shao, M., Hines, B.E., Staelin, D.H., Hershey, J.L., Hughes, J.A. & Kaplan,
MKT	G.H.
MKT	Mozurkewich, D., Johnston, K.J., Simon, R.S., Bowers, P.F., Gaume, R., Hutter,
MKT	D.J., Colavita, M.M., Shao, M. & Pan, X.P.
MKT	Pan, X.P., Shao, M., Colavita, M.M., Armstrong, J.T., Mozurkewich, D.,
MKT	Vivekanand, M., Denison, C.S., Simon, R.S., et al.
MKT	Armstrong, J.T., Mozurkewich, D., Vivekanand, M., Simon, R.S., Denison, C.S.,
MKT	Johnston, K.J., Pan, X.-P., Shao, M., et al.
MKT	Armstrong, J.T., Hummel, C.A., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT	Vivekanand, M., Simon, R.S., Denison, C.S., et al.
MKT	Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT	Simon, R.S., & Johnston, K.J.
MKT	Hummel, C.A., Armstrong, J.T., Quirrenbach, A., Buscher, D.F., Mozurkewich, D.,
MKT	Elias, N.M., & Wilson, R.E.
MKT	Mozurkewich, D., Armstrong, J.T., Hindsley, R., Quirrenbach, A., Hummel, C.A.,
MKT	Hutter, D., Johnston, K.J., Hajian, A., Elias, N.M., II, Buscher, D., & Simon, R.
MKT	Armstrong, J.T., Mozurkewich, D., Hajian, A.R., Johnston, K.J., Thessin, R.N.,
MKT	Peterson, D.M., Hummel, C.A., & Gilbreath, G.C.
MSN	Mason, B.D., Gies, D.R., Hartkopf, W.I., Bagnuolo, Jr., W.G.,
MSN	ten Brummelaar, T.A., & McAlister, H.A.
MSN	Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,
MSN	Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
MSN	Mason, B.D., Hartkopf, W.I., Raghavan, D., Subasavage, J.P., Roberts, L.C., Jr.,
MSN	Turner, N.H., & ten Brummelaar, T.A.
TRR	Torres, G., Ruiz-Rodriguez, D., Badenas, M., Prato, L., Schaefer, G.H.,
TRR	Wasserman, L.H., Mathieu, R.D., & Latham, D.W.
USN	Franz, O.G., Gossner, J.L., Josties, F.J., Lindenblad, I.W., Mikesell, A.H.,
USN	Pub. USNO 18, Pt.1, 1963
USN	Kallarakal, V.V., Lindenblad, I.W., Josties, F.J., Riddle, R.K., Miranian, M.,
USN	Mintz, B.F., & Klugh, A.P.
USN	Harrington, R.S., Dahn, C.C., Behall, A.L., Priser, J.B., Christy, J.W., Riepe,
USN	B.Y., Ables, H.D., Guetter, H.H., et al.
USN	Dahn, C.C., Harrington, R., Riepe, B.Y., Christy, J.W., Guetter, H.H.,
USN	Behall, A.L., Walker, R.L., Hewitt, A.V., & Ables, H.D.
USN	Dahn, C.C., Harrington, R.S., Riepe, B.Y., Christy, J.W., Guetter, H.H.,
USN	Kallarakal, V.V., Miranian, M., Walker, R.L., et al.
USN	Harrington, R.S., Kallarakal, V.V., Christy, J.W., Dahn, C.C., Riepe, B.Y.,
USN	Guetter, H.H., Ables, H.D., Hewitt, A.V., et al.
USN	Dahn, C.C., Harrington, R.S., Kallarakal, V.V., Guetter, H.H., Luginbuhl, C.B.,
USN	Riepe, B.Y., Walker, R.L., Pier, J.R., et al.
USN	Harrington, R.S., Dahn, C.C., Kallarakal, V.V., Guetter, H.H., Riepe, B.Y.,
USN	Walker, R.L., Pier, J.R., Vrba, F.J., et al.
USN	Monet, D., Bird A., Canzian B., Dahn C., Guetter H., Harris H., Henden A.,
USN	Levine S., Luginbuhl C., Monet A.K.B., Rhodes A., Riepe B., et al.
USN	Harris, H.C., Dahn, C.C., Dupuy, T.J., Canzian, B., Guetter, H.H., Hartkopf, W.I.,
USN	Ireland, M.J., Leggett, S.K., Levine, S.E., Liu, M.C., Luginbuhl, C.B.,
USN	Monet, A.K.B., Stone, R.C., Subasavage, J.P., Tilleman, T., & Walker, R.L.
USN	Dahn, C.C., Harris, H.C., Subasavage, J.P., Ables, H.D., Canzian, B.J., Guetter,
USN	H.H., Harris, F.H., Henden, A.H., Leggett, S.K., Levine, S.E., Luginbuhl, C.B.,
USN	Monet, A.B., Monet, D.G., Munn, J.A., Pier, J.R., Stone, R.C., Vrba, F.J., Walker,
USN	R.L. & Tillerman, T.M.

coord_2000

discov_num

comp

epoch

obs

pa

sep

mag_pri

mag_sec

spectr

dm_number

notes

coord_arcsec_2000

04287+1552

SMR 87

AF

2023

2

238

38.7

3.41

15.50

A7III

N

042839.74+155215.2

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No records found.


No records found.

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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
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 Chamukuy 04287+1552 MKT 13 Aa,Ab 334 0.0 0 Show Chamukuy 04287+1552 STFA 10 AB 347 336.9 0 Show Chamukuy 04287+1552 SMR 87 AD 32 32.0 0 Show Chamukuy 04287+1552 SMR 87 AE 59 92.0 0 Show Chamukuy 04287+1552 SMR 87 AF 238 38.7 0 Show 04287+1552 MCA 15 Ba,Bb 351 0.1 6 Show 04287+1552 BPMA 7 BC 75 268.3 6 Show 04298+1550 LDS2245 68 4.5 16 Show 04290+1610 HU 1080 261 0.4 18 Show 04288+1617 BPMA 8 AG 33 246.3 26 Show 04288+1617 RAO 547 Aa,Ab 96 0.7 26 Show 04288+1617 RAO 547 AH 174 1.9 26 Show 04301+1538 STF 554 17 1.3 26 Show 04283+1618 OCC9091 -1 0.1 27 Show 04306+1542 CIA 65 Ca,Cb 344 0.0 29 Show 04306+1542 TOK 486 HK 127 999.9 29 Show 04284+1622 RCH 2 30 0.0 30 Show 04306+1542 BUP 62 CH 339 162.3 31 Show 04306+1542 ARN 36 CI 246 484.5 31 Show 04306+1542 ARN 36 CJ 36 397.8 31 Show 04309+1547 TDS2876 273 0.5 34 Show 04306+1612 LDS2246 AB 131 250.3 34 Show 04306+1612 OCC9092 Aa,Ab -1 -1.0 34 Show 04283+1518 LDS3589 131 34.8 34 Show 04308+1609 PAT 11 297 0.3 35 Show 04263+1537 BUP 59 AB 154 130.9 37 Show 04263+1537 DRS 38 AC 147 10.4 37 Show 04263+1537 OCC9089 Aa,Ab -1 0.0 37 Show 04271+1523 LDS2241 348 43.3 38 Show 04280+1629 SKF2121 292 2.2 39 Show 04268+1525 LDS2236 237 78.1 40 Show 04271+1626 LDS2240 127 3.1 41 Show 04248+1552 PAT 7 GH 281 0.2 43 Show 04256+1556 FIN 342 Aa,Ab 157 0.1 45 Show 04256+1556 BUP 57 AB 339 129.5 45 Show 04315+1613 LDS2249 285 25.2 46 Show 04319+1551 OCC9093 -1 0.0 47 Show 04317+1538 WOR 16 FM 326 4.1 47 Show 04317+1538 LDS1174 FN 336 12.1 47 Show 04306+1542 TOK 486 KL 40 999.9 52 Show 04251+1559 LDS5554 277 4.4 53 Show 04273+1503 LDS3587 112 30.9 55 Show 04285+1458 BPM 100 30 91.1 55 Show 04248+1552 HDS 566 Aa,Ab 306 0.2 56 Show 04248+1552 GWP 582 AB 312 187.9 56 Show 04248+1552 TOK 246 AC 277 287.5 56 Show 04248+1552 TOK 246 AD 271 939.3 56 Show 04248+1552 TOK 246 AE 15 999.9 56 Show 04248+1552 TOK 246 AF 247 999.9 56 Show 04248+1552 TOK 246 AG 138 999.9 56 Show 04291+1455 LDS5566 224 55.0 58

	A	Ab	B	Bb	C	D	E
Ab	pa=333.9° sep=0.01"
B	pa=346.9° sep=337.60"	pa=346.9° sep=337.60"
Bb	pa=346.9° sep=337.68"	pa=346.9° sep=337.67"	pa=350.9° sep=0.07"
C	pa=24.6° sep=438.45"	pa=24.6° sep=438.44"	pa=74.9° sep=268.25"	pa=74.9° sep=268.24"
D	pa=32.2° sep=32.02"	pa=32.2° sep=32.02"	pa=162.8° sep=315.91"	pa=162.8° sep=315.98"	pa=204.0° sep=406.73"
E	pa=58.9° sep=91.96"	pa=58.9° sep=91.96"	pa=151.1° sep=321.33"	pa=151.1° sep=321.40"	pa=196.5° sep=366.18"	pa=71.7° sep=64.96"
F	pa=238.4° sep=38.66"	pa=238.4° sep=38.66"	pa=172.9° sep=351.78"	pa=172.9° sep=351.85"	pa=207.2° sep=471.06"	pa=226.6° sep=68.86"	pa=238.8° sep=130.62"

Common name	Chamukuy		Coord arcsec 2000	042839.74+155215.2		Mag	3.41		Spectral class	A7III (white)
PmRA	106.00		PmDE	-20.0		SAO	93957		HIP	20894
Tycho2	1265-01172-1		HD	28319		HR	1412		GC	5436
BD	BD+15 632		Bayer	Theta 2 Tauri		Bayer name	the2 Tau		Flamsteed	78 Tauri
Flamsteed name	78 Tau

Tycho2	1265-01172-1		Pflag			RAmdeg	67.16558706		DEmdeg	15.87088179
PmRA	108.8		PmDE	-27.0		E RAmdeg	3		E DEmdeg	4
E pmRA	0.9		E pmDE	0.8		EpRAm	1991.63		EpDEm	1990.97
Num	17		Q RAmdeg	1.0		Q DEmdeg	1.0		Q pmRA	1.1
Q pmDE	1.0		BTmag	3.623		E BTmag	0.014		VTmag	3.407
E VTmag	0.009		Prox	999		TYC	T		HIP	20894
CCDM			RAdeg	67.16533028		DEdeg	15.87094694		EpRA 1990	1.83
EpDE 1990	1.32		E RAdeg	3.2		E DEdeg	3.5		Posflg
Corr	-0.2

SAO	93957		DelFlag			RA1950			PmRA1950	0.0071
DE1950			PmDE1950	-0.024		Vmag	3.6		SpType	F0
Double code			Source	70		CatNum	5436		DM	BD+15 632
DMcomp			BDsup			HD	28319		M HD	0
GC	5436		RA1950rad	1.15978728		DE1950rad	0.27509201		PmRA2000	0.0071
PmDE2000	-0.025

Catalog	H		HIP	20894		Proxy			RAhms	04 28 39.67
DEdms	+15 52 15.4		Vmag	3.4		VarFlag	1		R Vmag	G
RAdeg	67.1653		DEdeg	15.8709		AstroRef			Plx	21.89
CCDM	108.66		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD			BD	BD+15 632
CD			CP			Dm number	+15 632		VIred	0.21
SpType	A7III		R SpType			Coord arcsec 2000	042839.67+155215.4

HIP	20894		Sn	1		So	0		Nc	1
RArad	1.1722558422		DErad	0.2770002773		Plx	21.69		PmRA	108.42
PmDE	-26.74		E RArad	0.41		E DErad	0.22		E Plx	0.46
E pmRA	0.62		E pmDE	0.37		Hpmag			E Hpmag	0.0015
SHp	0.008		VA	0		BV	0.179		E BV	0.004
VI	0.21

Coord arcsec 2000

042839.74+155215.2

Mag

4.86

Delta magnitude

1.12

Coordinate calculated

yes

Coord arcsec 2000	042834.43+155744.0		Coord calc	042834.43+155744.0		Mag	3.84		Spectral class	K0IIIb (yellow-orange)
PmRA	105.00		PmDE	-15.0		SAO	93955		HIP	20885
Tycho2	1265-01170-1		HD	28307		HR	1411		GC	5433
BD	BD+15 631		Bayer	Theta 1 Tauri		Bayer name	The1 Tau		Flamsteed	77 Tauri
Flamsteed name	77 Tau		Delta magnitude	0.1

Tycho2	1265-01170-1		Pflag			RAmdeg	67.14374055		DEmdeg	15.96215799
PmRA	107.4		PmDE	-24.3		E RAmdeg	3		E DEmdeg	4
E pmRA	0.8		E pmDE	0.8		EpRAm	1991.59		EpDEm	1990.95
Num	20		Q RAmdeg	1.0		Q DEmdeg	1.2		Q pmRA	0.9
Q pmDE	1.1		BTmag	5.039		E BTmag	0.014		VTmag	3.936
E VTmag	0.009		Prox	999		TYC	T		HIP	20885
CCDM			RAdeg	67.14348667		DEdeg	15.96221667		EpRA 1990	1.82
EpDE 1990	1.34		E RAdeg	3.3		E DEdeg	3.7		Posflg
Corr	-0.2

SAO	93955		DelFlag			RA1950			PmRA1950	0.0071
DE1950			PmDE1950	-0.026		Vmag	4		SpType	K0
Double code			Source	70		CatNum	5433		DM	BD+15 631
DMcomp			BDsup			HD	28307		M HD	0
GC	5433		RA1950rad	1.15939908		DE1950rad	0.27668391		PmRA2000	0.0071
PmDE2000	-0.027

Catalog	H		HIP	20885		Proxy			RAhms	04 28 34.43
DEdms	+15 57 44.0		Vmag	3.84		VarFlag			R Vmag	H
RAdeg	67.1435		DEdeg	15.9622		AstroRef			Plx	20.66
CCDM	104.76		N CCDM	I		Nsys	2		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD			BD	BD+15 631
CD			CP			Dm number	+15 631		VIred	1.02
SpType	G7III		R SpType			Coord arcsec 2000	042834.43+155744.0

HIP	20885		Sn	5		So	0		Nc	1
RArad	1.1718745897		DErad	0.278593246		Plx	21.13		PmRA	104.97
PmDE	-15.14		E RArad	0.24		E DErad	0.12		E Plx	0.27
E pmRA	0.35		E pmDE	0.21		Hpmag			E Hpmag	0.0006
SHp	0.005		VA	0		BV	0.952		E BV	0.004
VI	1.02

Coord arcsec 2000

042834.43+155744.1

Mag

7.3

Delta magnitude

3.56

Coordinate calculated

yes

Coord arcsec 2000	042852.39+155853.9		Mag	11.96		PmRA	110.00		PmDE	-27.0
Delta magnitude	8.22		Coordinate calculated	yes

Coord arcsec 2000

042840.92+155242.3

Mag

15.4

Delta magnitude

11.66

Coordinate calculated

yes

Coord arcsec 2000

042845.20+155302.7

Mag

15.2

Delta magnitude

11.46

Coordinate calculated

yes

Coord arcsec 2000

042837.46+155154.9

Mag

15.5

Delta magnitude

11.76

Coordinate calculated

yes