05490+2434 MCA 23 Aa,Ab

Coord 2000	05490+2434		Discov num	MCA  23		Comp	Aa,Ab		Coord arcsec 2000	05 49 00.96 +24 34 03.2
Date first	1979		Date last	1979		Obs	1
Pa first	126		Pa last	126.3		P.A. Now (θ)	126.3°
Sep first	0.0		Sep last	0.043		Sep. Now (ρ)	0.043"
Mag pri	4.99		Mag sec			delta mag (ΔM)			Spectral class	G8III (yellow)
Pri motion ra	-004		Sec motion ra
Pri motion dec	-023		Sec motion dec
Notes	N X (See Notes, Dubious double)

Nature of this double is uncertain.

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name

SAO

coord

wds_name

last

obs

pa

sep

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mag2

d_mag

orb

current

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77592

05 49 01 +24 34 03

MCA 23 Aa,Ab

1979

1

126

0.0

4.99

<===

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132 Tau

77592

05 49 01 +24 34 03

HDS 782 AB

1991

2

230

3.8

4.99

9.09

4.10

Triple system
2 estimated visually detectable stars in this system

Var name	NSV2650 Tau		Constellation	Taurus		SAO	77592		HIP	27468
Tycho2	1866-02598-1		Gaia DR2	3428176379509415552		HD	38751		HR	2002
GC	7283		BD	BD+24 970		Flamsteed	132 Tauri		Flamsteed name	132 Tau
FK5	2435		Distance	111.48		Distance ly	363.65

discov_num	notes	refcode
MCA 23	132 Tau.

refcode	metd	author	reference
HDS		Hipparcos Double Star (from additional DD list)	...................
McA1976	orb -	McAlister, H.A.	1976PASP...88..957M
McA1976		PASP 88, 957, 1976
McA1977	Sc j	McAlister, H.A.	1977ApJ...215..159M
McA1977		ApJ 215, 159, 1977
McA1978a	Sc j	McAlister, H.A.	1978ApJ...223..526M
McA1978a	+orb	ApJ 223, 526, 1978
McA1978b	Sc j	McAlister, H.A.	1978ApJ...225..932M
McA1978b		ApJ 225, 932, 1978
McA1978c	Sc j	McAlister, H.A.	1978PASP...90..288M
McA1978c		PASP 90, 288, 1978
McA1979a	Sc j	McAlister, H.A. & DeGioia, K.A.	1979ApJ...228..493M
McA1979a		ApJ 228, 493, 1979
McA1979b	Sc j	McAlister, H.A.	1979ApJ...230..497M
McA1979b		ApJ 230, 497, 1979
McA1980a	orb -	McAlister, H.A.	1980ApJ...236..522M
McA1980a		ApJ 236, 522, 1980
McA1980b	Sc j	McAlister, H.A. & Fekel, F.C.	1980ApJS...43..327M
McA1980b		ApJS 43, 327, 1980
McA1980c	orb -	McAlister, H.A.	1980AJ.....85.1265M
McA1980c		AJ 85, 1265, 1980
McA1981a	orb -	McAlister, H.A.	1981AJ.....86..795M
McA1981a		AJ 86, 795, 1981
McA1981b	Sc j	McAlister, H.A. & Hendry, E.M.	1981PASP...93..221M
McA1981b		PASP 93, 221, 1981
McA1981c	orb -	McAlister, H.A.	1981AJ.....86.1397M
McA1981c		AJ 86, 1397, 1981
McA1982a	orb -	McAlister, H.A.	1982AJ.....87..563M
McA1982a		AJ 87, 563, 1982
McA1982b	Sc j	McAlister, H.A. & Hendry, E.M.	1982ApJS...48..273M
McA1982b		ApJS 48, 273, 1982
McA1982c	orb -	McAlister, H.A. & Hartkopf, W.I.	1982PASP...94..832M
McA1982c	+Sc	PASP 94, 832, 1982
McA1982d	Sc j	McAlister, H.A. & Hendry, E.M.	1982ApJS...49..267M
McA1982d		ApJS 49, 267, 1982
McA1983	Sc j	McAlister, H.A., Hendry, E.M., Hartkopf, W.I., Campbell, B.G., & Fekel, F.C.	1983ApJS...51..309M
McA1983		ApJS 51, 309, 1983
McA1984a	Sc j	McAlister, H.A., Hartkopf, W.I., Hendry, E.M., Gaston, B.J., & Fekel, F.C.	1984ApJS...54..251M
McA1984a		ApJS 54, 251, 1984
McA1984b	Sc j	McAlister, H.A. & Hartkopf, W.I.	...................
McA1984b		Catalog of Interferometric Measurements of Binary Stars, CHARA Contrib. #1, 1984
McA1984b		(previously unpublished KPNO 2.1m and 3.8m data)
McA1987a	Sc j	McAlister, H.A., Hartkopf, W., Hutter, D., Shara, M., & Franz, O.	1987AJ.....92..183M
McA1987a		AJ 92, 183, 1987
McA1987b	Sc j	McAlister, H.A., Hartkopf, W.I., Hutter, D.J., & Franz, O.G.	1987AJ.....93..688M
McA1987b		AJ 93, 688, 1987
McA1987c	Sc j	Lu, P.K., Demarque, P., van Altena, W., McAlister, H.A., & Hartkopf, W.I.	1987AJ.....94.1318L
McA1987c		AJ 94, 1318, 1987
McA1988	orb -	McAlister, H.A., Hartkopf, W.I., Bagnuolo, W.G., Sowell, J.R., Franz, O.G., &	1988AJ.....96.1431M
McA1988	+S	Evans, D.S.
McA1988		AJ 96, 1431, 1988
McA1989	Sc j	McAlister, H.A., Hartkopf, W.I., Sowell, J.R., Dombrowski, E.G., & Franz, O.G.	1989AJ.....97..510M
McA1989		AJ 97, 510, 1989
McA1990	Sc j	McAlister, H.A., Hartkopf, & Franz, O.G.	1990AJ.....99..965M
McA1990		AJ 99, 965, 1990
McA1992	orb j	McAlister, H.A., Hartkopf, W.I., & Mason, B.D.	1992AJ....104.1961M
McA1992	+Sc	AJ 104, 1961, 1992
McA1993	Sc j	McAlister, H.A., Mason, B.D., Hartkopf, W.I., & Shara, M.M.	1993AJ....106.1639M
McA1993	+orb	AJ 106, 1639, 1993
McA1995	orb -	McAlister, H.A., Hartkopf, W.I., & Mason, B.D.	1995AJ....110..366M
McA1995		AJ 110, 366, 1995
McA1996a	Sc j	Al-Shukri, A.M., McAlister, H.A., Hartkopf, W.I., Mason, B.D., & Franz, O.G.	1996AJ....111..393A
McA1996a	+Po	AJ 111, 393, 1996
McA1996b	Sc j	McAlister, H.A., Mason, B.D., Hartkopf, W.I., Roberts, L.C., Jr., & Shara, M.M.	1996AJ....112.1169M
McA1996b	+Po	AJ 112, 1169, 1996
McA1997	Sc j	Fu, H.-H., Hartkopf, W.I., Mason, B.D., McAlister, H.A., Dombrowski, E.G., &	1997AJ....114.1623F
McA1997		Franz, O.G.
McA1997		AJ 114, 1623, 1997

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
05490+2434	MCA 23	Aa,Ab	1979	1	126	0.0	4.99		G8III	N	054900.96+243403.2

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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

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