02424+2001 BLA 1 Aa,Ab

Coord 2000	02424+2001		Discov num	BLA   1		Comp	Aa,Ab		Coord arcsec 2000	02 42 21.92 +20 00 41.7
Date first	1975		Date last	2021		Obs	43
Pa first	327		Pa last	61.7		P.A. Now (θ)	87.2°
Sep first	0.0		Sep last	0.033		Sep. Now (ρ)	0.052"
Mag pri	5.69		Mag sec	6.20		delta mag (ΔM)	0.51		Spectral class	A0V (white)
Pri motion ra	+025		Sec motion ra
Pri motion dec	-046		Sec motion dec
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		93062	02 42 22 +20 00 42	BLA 1 Aa,Ab	2021	43	62	0.0	5.69	6.20	0.51	Y	<===
Show	Mu Ari	93062	02 42 22 +20 00 42	BU 522 AB	2017	12	265	18.6	5.69	12.20	6.51
Show			02 42 22 +20 00 42	OCC 9075 Ba,Bb	1973	0	-1	0.0	12.40	14.50	2.10

Quadruple system
2 estimated visually detectable stars in this system

Constellation	Aries		SAO	93062		HIP	12640		Tycho2	1229-01969-1
Gaia DR2	84944355647503360		HD	16811		HR	793		GC	3256
ADS	2062		BD	BD+19 403		Bayer	Mu Arietis		Bayer name	Mu Ari
Flamsteed	34 Arietis		Flamsteed name	34 Ari		Distance	116.82		Distance ly	381.07
Bayer greek	μ Ari

Period (P)	8.845y	± 0.046	Periastron (T)	1981.099y	± 0.063	Semi-major axis (a)	0.0563a	± 0.0008
Eccentricity (e)	0.337	± 0.023	Inclination (i)	71.2°	± 1.1	Longitude of periastron (ω)	92.3°	± 1.7
Node (Ω)	101°	± 1	Notes	n		Reference	Msn1997a
Equinox	2000		Last observation	1996		Grade	2	(1=Definitive, 9=Indet.)

label theta rho 2000 280.6 0.049 2001 295.3 0.050 2002 316.1 0.036 2003 4.1 0.024 2004 58.6 0.033 2005 82.5 0.049 2006 96.6 0.054 2007 116.5 0.032 2008 255.0 0.024 2009 283.1 0.051 2010 297.8 0.049 2011 321.1 0.034 2012 14.4 0.024 2013 63.7 0.036 2014 84.9 0.051 2015 98.8 0.052 2016 123.6 0.026 2017 263.5 0.030 2018 285.3 0.052 2019 300.4 0.047 2020 326.8 0.031 2021 24.5 0.025 2022 68.2 0.038 2023 87.2 0.052 2024 101.1 0.051 2025 135.2 0.020 2026 269.1 0.036 2027 287.6 0.053 2028 303.3 0.045 2029 333.4 0.029 2030 33.9 0.026		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
BLA 1	Aa,Ab: mu Ari = 34 Ari. Occultation binary, known to have variable
	radial velocity.	Bag1984b
	Aa,Ab: Malkov et al. (2012) derive dynamical, photometric, and
	spectroscopic masses 3.64 +/- 0.47, 5.77, and 2.24 Msun, respectively.	Mlk2012

refcode	metd	author	reference
Bag1984b	S j	Balega, Y.Y., Bonneau, D., & Foy, R	1984A&AS...57...31B
Bag1984b		A&AS 57, 31, 1984
Mlk2012	not -	Malkov, O.Yu., Tamazian, V.S., Docobo, J.A., & Chulkov, D.A.	2012A&A...546A..69M
Mlk2012		A&A 546, A69, 2012
Msn1997a	Sc j	Mason, B.D.	1997AJ....114..808M
Msn1997a	+orb	AJ 114, 808, 1997

idgroup	discov	author
1	BLA	Blazit, A., Bonneau, D., Koechlin, L. & Labeyrie, A.
6	BU	Burnham, S.W. (BU 1 - 81)
184	OCC	Taylor, G.E., O'Leary, B., van Fladern, T.C. Bartholdi, P., Owen, F.,
184	OCC	Hubbard, W.B., Smith, B.A., Smith, S.A., Fallon, F.W. Devinney, E.J. & Oliver, J.
189	OCC	Dunham, D.W., Dunham, J.B., Binzel, R.P., Evans, D.S., Freuh, M., Henry, G.W.,
189	OCC	A'Hearn, M.A., Schnurr, R., Betts, R., Haynes, H., Orcutt, R., Bowell, E., et al.
192	OCC	Vasundhara, R., Jayakumar, K., Velu, C., Appakutty, M., Paranjpye, A.,
192	OCC	Kulkarni, H., Nitsure, P., Prabhunne, M. & Shah, K.
199	OCC	Lin, C.-L., Zhang, Z.-W., Chen, W.P., King, S.-K., Lin, H.-C., Bianco, F.B.,
199	OCC	Lehner, M.J., Coehlo, N., Wang, J.-H., Mondal, S., Alcock, C., Axelrod, T., et al.
200	OCC	Herald, D., Boyle, R., Dunham, D., Hirose, T., Maley, P., Timerson, B., Farris,
200	OCC	T., Frappa, E., Lecacheux, J., Hayamizu, T., Kozubal, M., Nolthenius, R., et al.
205	OCC	Loader, B., Asada, Y., Breit, D., Bradshaw, J., Gault, D., Herald, D., Iverson,
205	OCC	E., Ishida, M., Karasaki, H., Kashiwagura, M., Miyashita, K., Messner, S., et al.
208	OCC	Loader, B. Bradshaw, J., Breit, D., Gault, D., George, T., Herald, D., Iverson,
208	OCC	E., Ishida, M., Karasaki, H., Kashiwagura, M., Kenmotsu, K., Lowe, D., et al.
209	OCC	George, T., Timerson, B., Cooke, B., Degenhardt, S., Dunham, D.W., Messner, S.,
209	OCC	Suggs, R., Venable, R. & Warren, W.H.
210	OCC	George, T., Timerson, B., Beard, T., Blank, T., Dantowitz, R., Davis, J.,
210	OCC	di Cicco, D., Dunham, D.W., Hill, M., Sliski, A. & Sumner, R.
211	OCC	Bulder, H., Loader, B., Herald, D., Messner, S., Ling, A., Raab, H.,
211	OCC	Culbertson, B., Black, S., Ishida, M., Ohno, T., & Miyashita, K.
212	OCC	George, T., Timerson, B., Degenhardt, S., Bracken, C., Cadmus, R., Carcich, A.,
212	OCC	Centala, J., Modic, R., & Slauson, D.
213	OCC	Loader, B., Asada, Y., Bradshaw, J., Breit, D., Fuertes, J., Gault, D., George,T.,
213	OCC	Graham, P., Herald, D., Holenstein, B., Iverson, E., Ishida, M., et al.
214	OCC	George, T., Timerson, B., Brooks, J., Conrad, S., Dunham, J.B., Dunham, D.W.,
214	OCC	Jones,R., Lipka, T.R., Thomas, W., Warren, W.J., Jr., Wasson, R. & Wisniewski, J.
231	OCC	Loader, B., Bradshaw, J., Breit, D., Edens, E., Forbes, M., Gault, D., George, T.,
231	OCC	Haymes, T., Herald, D., Holenstein, B., Ito, T., Iverson, E., et al.
232	OCC	Soma, M., Hayamizu, T., Ishida, M., Owada, M., Ida, M., Aikawa, R., Hashimoto, A.,
232	OCC	Horaguchi, T., Kitazaki, K., Uchiyama, S., Uehara, S., Yaeza, A., et al.
233	OCC	Loader, B., Asai, A., Bardecker, J., Bradshaw, J., Breit, D., Buettner, D.,
233	OCC	Chad, C., Denyer, P., Edens, E., Forbes, M., Gault, D., George, T., et al.
236	OCC	Loader, B., Anderson, P., Asai, A., Bradshaw, J., Breit, D., Forbes, M.,
236	OCC	Gault, D., George, T., Haymes, T., Herald, D., Ishida, M., Kerr, S., et al.
239	OCC	Timerson, B., George, T., Bean, J., Blank, T., Bardecker, J., Dunham, D., Dunham,
239	OCC	J., Gimple, B., Maley, P., Anthony, S., Wiesenborn, C., Hunt, T., Sumner, R. &
239	OCC	Thomas, W.
240	OCC	Hirose, T., Ida, M., Yamamura, H., Uchiyama, S., Hashimoto, A., Aikawa, R.,
240	OCC	Terakubo, K., Sato, M. & Shima, K.
241	OCC	Loader, B., Asada, Y., Asai, A., Bardecker, J., Bourgeois, J., Bradshaw, J., Chad,
241	OCC	C., Ellington, C., Gault, D., Giacchini, B., Haymes, T., Herald, D., Ishida, M.,
241	OCC	Iverson, E., Kerr, S., Manek, J., McKay, G., Messner, S., Pratt, A., Sandy, R.,
241	OCC	Watanabe, H., Yamamura, H. & Yoshida, H.
244	OCC	Perello, C., Frappa, E., Janik, T., Kattentidt, B., Polak, J., Rottenborn, M. &
244	OCC	Selva, A.
249	OCC	Gault, D., Barry, T., Nosworthy, P., Hanna, W., Messner, S., Oesper, D., Dunford,
249	OCC	R., Trank, R., Preston, S. & Herald, D.
254	OCC	Frappa, E., Zeleny, P., Baruffetti, P., Bendjeddou, A., Bigi, M., Bouazara, O.,
254	OCC	Gacem, A., Khenifer, H.M., Mokhtari, L., Nosal, P., Rayane, H., Selimi, T.E.M.,
254	OCC	Sposetti, S. & Aissa, D.B.
255	OCC	Hayamizu, T., Soma, M., Watanabe, Hi., Asai, A., Watanable, Ha., Akira, A.,
255	OCC	Ida, M., Uchiyama, S., Nagata, T., Yamamura, H., Owada, M. & Yamashita, M.

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02424+2001	BLA 1	Aa,Ab	1999	21	281	0.0	5.69	6.20	A0V	NOD	024221.92+200041.7
02424+2001	BLA 1	Aa,Ab	2010	24	313	0.0	5.69	6.20	A0V	NOD	024221.92+200041.7
02424+2001	BLA 1	Aa,Ab	2014	28	95	0.1	5.69	6.20	A0V	NO	024221.92+200041.7
02424+2001	BLA 1	Aa,Ab	2020	33	14	0.0	5.69	6.20	A0V	NO	024221.92+200041.7
02424+2001	BLA 1	Aa,Ab	2021	43	62	0.0	5.69	6.20	A0V	NO	024221.92+200041.7

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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 02424+2001 BLA 1 Aa,Ab 62 0.0 1 Show 02424+2001 BU 522 AB 265 18.6 1 Show 02424+2001 OCC9075 Ba,Bb -1 0.0 1 Show 02430+2014 A 2220 226 1.8 17 Show 02411+1959 OCC 275 -1 0.3 19 Show 02408+2000 OCC 274 -1 0.1 23 Show 02441+2012 LDS3423 275 35.8 28 Show 02433+1926 BAG 20 211 0.1 38 Show 02449+1935 LEP 8 AB 145 238.9 44 Show 02449+1935 NSN 531 Aa,Ab 270 3.7 44 Show 02400+1921 DVG 14 27 96.3 52 Show 02463+1958 A 2221 46 0.4 55 Show 02386+1944 OCC 312 Aa,Ab -1 0.3 56 Show 02386+1944 HJ 2152 AB 58 44.0 56 Show 02383+2016 OCC 775 -1 0.1 59 Show 02439+2059 HU 430 AB 192 0.7 63 Show 02379+2003 A 2219 146 0.4 63 Show 02386+2035 GRV 137 205 57.2 63 Show 02467+1939 SLW 130 164 134.5 66 Show 02443+2103 OCC 257 -1 0.7 68 Show 02400+2106 TDS2327 336 1.4 74 Show 02411+1848 STF 291 AB 117 3.4 75 Show 02411+1848 STF 291 AC 242 65.5 75 Show 02411+1848 STF 291 BC 243 66.8 75 Show 02372+2023 SLW 124 351 34.6 76 Show 02368+2013 SLW 123 143 19.7 79 Show 02477+1933 LDS 881 40 55.0 80 Show 02475+1922 STF 305 AB 306 3.5 82 Show 02475+1922 STF 305 AC 26 95.1 82 Show 02390+2108 AZC 24 82 21.2 83 Show 02463+2105 OCC9025 300 0.5 85 Show 02463+1850 OCC 873 -1 0.1 91 Show 02382+1834 LDS3406 60 257.1 105 Show 02392+1822 COU2679 119 1.4 108 Show 02346+2028 TDS2289 134 0.5 113 Show 02504+1956 SLW 135 326 169.4 114 Show 02352+2103 SLW 120 71 30.6 119 Show 02344+2040 A 2218 114 2.2 119 Show 02373+1826 COU 461 320 2.7 119 Show 02405+1801 COU 462 151 1.5 123 Show 02429+1754 COU 23 137 1.1 127 Show 02507+1910 TOK 76 15 17.2 129 Show 02507+1910 KPP3158 AC 126 5.3 129 Show 02473+1812 BPM 58 334 33.0 130 Show 02511+2043 KPP1851 268 14.3 130 Show 02330+1955 LDS3401 340 72.1 133 Show 02485+1817 OCC 232 -1 0.2 136 Show 02489+1822 GRV 147 276 10.0 136 Show 02473+1803 GWP 368 82 22.1 137 Show 02476+2158 LDS1137 55 7.5 139 Show 02469+1757 CHE 68 148 20.5 139

	A	Ab	B
Ab	pa=60.2° sep=0.03"
B	pa=0.0° sep=0.00"	pa=240.2° sep=0.03"
Bb	pa=0.0° sep=0.00"	pa=240.2° sep=0.03"	pa=0.0° sep=0.00"

Name	Mu Ari		Coord arcsec 2000	024221.92+200041.7		Mag	5.69		Spectral class	A0V (white)
PmRA	28.00		PmDE	-48.0		SAO	93062		HIP	12640
Tycho2	1229-01969-1		HD	16811		HR	793		GC	3256
BD	BD+19 403		Bayer	Mu Arietis		Bayer name	Mu Ari		Flamsteed	34 Arietis
Flamsteed name	34 Ari

Tycho2	1229-01969-1		Pflag			RAmdeg	40.59141515		DEmdeg	20.01146329
PmRA	27.5		PmDE	-46.6		E RAmdeg	3		E DEmdeg	4
E pmRA	0.7		E pmDE	0.6		EpRAm	1991.52		EpDEm	1991.04
Num	24		Q RAmdeg	0.7		Q DEmdeg	0.5		Q pmRA	0.6
Q pmDE	0.7		BTmag	5.710		E BTmag	0.014		VTmag	5.729
E VTmag	0.009		Prox	999		TYC	T		HIP	12640
CCDM			RAdeg	40.59134889		DEdeg	20.01157194		EpRA 1990	1.82
EpDE 1990	1.59		E RAdeg	3.4		E DEdeg	3.8		Posflg
Corr	-0.2

SAO	93062		DelFlag			RA1950			PmRA1950	0.0021
DE1950			PmDE1950	-0.04		Vmag	5.7		SpType	A0
Double code			Source	70		CatNum	3256		DM	BD+19 403
DMcomp			BDsup			HD	16811		M HD	0
GC	3256		RA1950rad	0.69613096		DE1950rad	0.34556881		PmRA2000	0.0021
PmDE2000	-0.043

Catalog	H		HIP	12640		Proxy			RAhms	02 42 21.92
DEdms	+20 00 41.7		Vmag	5.74		VarFlag			R Vmag	H
RAdeg	40.5913		DEdeg	20.0116		AstroRef			Plx	9.64
CCDM	02424+2001		N CCDM	I		Nsys	1		Ncomp	1
MultFlag			Source			Qual			M HIP
Theta			Rho			HD	16811		BD	BD+19 403
CD			CP			Dm number	+19 403		VIred	0.01
SpType	A0V		R SpType			Coord arcsec 2000	024221.92+200041.7

HIP	12640		Sn	5		So	0		Nc	1
RArad	0.7084526045		DErad	0.3492679114		Plx	8.56		PmRA	27.68
PmDE	-47.64		E RArad	0.31		E DErad	0.21		E Plx	0.35
E pmRA	0.44		E pmDE	0.29		Hpmag	5.7472		E Hpmag	0.0006
SHp	0.005		VA	0		BV	-0.017		E BV	0.004
VI	0.01

Ccdm	02424+2001		RComp			Comp	A		Note1
Note2			Discov num			DRAs	-2.06		DDEs	-18.2
R dRAs	10		Year			Theta			Rho
Obs	3		Vmag	5.7		Sp	A0		PmNote	*
PmRA	33		PmDE	-43		Dm number	+19 403		Cat1	BD
Name2	+19 200		Cat2	AGK2/3		HD	16811		M HD
ADS BDS	A 2062		M ADS BDS			N IDS			IDS	02367N1935A
HIC	12640

Coord arcsec 2000

024221.92+200041.7

Mag

6.2

Calc delta mag

0.51

Calc coord

yes

Coord arcsec 2000	024221.92+200041.7		Coord calc	024220.68+200039.9		Mag	12.4		Mag composta	12.2
Calc delta mag	6.71

Coord arcsec 2000

024221.92+200041.7

Mag

14.5

Calc delta mag

8.81

Calc coord

yes