Coord 2000	02424+3837	Discov num	EVT 1	Comp	Aa,Ab	Coord arcsec 2000	02 42 21.31 +38 37 07.2
Date first	2008	Date last	2009	Obs	6
Pa first	46	Pa last	290	P.A. Now (θ)	290°
Sep first	0.0	Sep last	0.0	Sep. Now (ρ)	0"
Mag pri	7.11	Mag sec	10.00	delta mag (ΔM)	2.89	Spectral class	G5 (yellow)
Pri motion ra	+077	Sec motion ra
Pri motion dec	-108	Sec motion dec
Notes	N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)

This double is physical.

02424+3837 SYSTEM COMPONENTS

Show	name	SAO	coord_2000	discov#	comp	first	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show		55798	02424+3837	EVT 1	Aa,Ab	2008	2009	6	290	0.0	7.11	10.00	2.89	Y	<===
Show		55798	02424+3837	AG 49	AB	1902	2015	21	344	14.4	8.84	10.38	1.54

Triple system
2 visible stars in this system

OTHER CATALOGS AND DESIGNATIONS

Precise pa	290.2	Precise sep	0.025	Constellation	Perseus	SAO	55798
HIP	12638	Tycho2	2845-02243-1	Gaia DR2	334156706263100416	HD	16760
BD	BD+37 604	Distance	45.45	Distance ly	148.26	last precise pa	290.2
last precise sep	0.025

ORBITAL ELEMENTS

Period (P)	466.5d	± 0.4	Periastron (T)	53336.5m (2004.908y)	± 3	Semi-major axis (a)	25.5m	± 2.8
Eccentricity (e)	0.084	± 0.003	Inclination (i)	2.6°	± 0.5	Longitude of periastron (ω)	243°	± 2
Node (Ω)	86.9°	± 1.1	Note			Grade	3	(1=Definitive, 9=Indet.)
Equinox			Last observation	2009

label	rho	theta
2000-01-01	0.024	35.1
2001-01-01	0.024	304.5
2002-01-01	0.026	221.0
2003-01-01	0.028	151.8
2004-01-01	0.026	83.0
2005-01-01	0.024	0.5
2006-01-01	0.024	269.6
2007-01-01	0.027	192.7
2008-01-01	0.027	125.6
2009-01-01	0.025	52.8
2010-01-01	0.023	324.2
2011-01-01	0.025	237.4
2012-01-01	0.028	166.0
2013-01-01	0.027	98.5
2014-01-01	0.024	19.6
2015-01-01	0.024	288.3
2016-01-01	0.026	207.9
2017-01-01	0.028	139.9
2018-01-01	0.026	69.6
2019-01-01	0.023	344.1
2020-01-01	0.025	254.6
2021-01-01	0.027	180.4
2022-01-01	0.027	113.4
2023-01-01	0.025	38.0
2024-01-01	0.023	307.7
2025-01-01	0.026	223.6
2026-01-01	0.028	154.1
2027-01-01	0.026	85.6
2028-01-01	0.024	3.7
2029-01-01	0.024	272.6
2030-01-01	0.027	195.2

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

Measures: green=micrometric, blue=interferometric, purple=photographic

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02424+3837	EVT 1	Aa,Ab	2009	6	290	0.0	7.11	10.00	G5	O K	024221.31+383707.2

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

WDS 02424+3837 EVT 1AA,AB : NOTES

discov_num	notes	refcode
EVT 1	Aa,Ab: Exo-planet host	Tok2014d

REFERENCES

refcode	metd	author	reference
EvT2012	Am j	Evans, T.M., Ireland, M.J., Kraus, A.L., Martinache, F., Stewart, P.,	2012ApJ...744..120E
EvT2012	+orb	Tuthill, P.G., Lacour, S., Carpenter, J.M., & Hillenbrand, L.A.
EvT2012	+A	ApJ 744, 120, 2012
Tok2014d	E2 -	Tokovinin, A.	2014AJ....147...86T
Tok2014d		AJ 147, 86, 2014

DISCOVERER

discov	author
EVT	Evans, T.M., Ireland, M.J., Kraus, A.L., Martinache, F., Stewart, P.,

WDS 02424+3837 EVT 1AA,AB : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02424+3837 EVT 1AA,AB : MEASURES

No records found.

WDS 02424+3837 EVT 1Aa,Ab : Virtual Eyepiece

Radius:

WDS 02424+3837 EVT 1Aa,Ab : Aladin DSS image @ 02^h 42^m 21.31^s +38° 37' 07.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9

WDS 02424+3837 EVT 1AA,AB : NEIGHBORHOODS

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	sep	pa	dist(')
Show		02424+3837	AG 49	AB	14.40	344
Show		02424+3837	EVT 1	Aa,Ab	0	290
Show		02426+3838	ALI 759	AB	14.10	135	2
Show		02416+3829	TDS2337		0.70	57	12
Show		02428+3826	ES 231		4.60	84	13
Show		02416+3850	ALI 757		8.10	145	15
Show		02407+3846	ALI 756		8.10	15	21
Show		02415+3820	BRT2201		5.10	263	21
Show		02431+3901	UC 789		29.30	1	26
Show		02436+3859	UC 792		35.60	82	27
Show		02399+3848	ES 1956	AB	2	217	31
Show		02399+3848	ES 1956	AC	3.50	87	31
Show		02410+3905	COU1371	Aa,Ab	0.30	132	33
Show		02410+3905	A 1820	AB	12.10	223	33
Show		02440+3904	UC 793		44.20	181	33
Show		02404+3813	SKF1878		30	241	33
Show		02425+3804	UC 785		45	256	34
Show		02446+3815	UC 795		9.60	134	35
Show		02400+3910	A 1819		0.50	278	43
Show		02379+3830	ALI 755		8.60	346	52
Show		02390+3800	LDS3407		254.10	301	54
Show		02379+3855	HDS 343		1.10	352	56
Show		02427+3932	J 2401			130	56
Show		02454+3920	UC 796		50.40	134	57
Show		02473+3835	ES 2083	AB	6.50	335	59
Show		02473+3835	ES 2083	AC	30.60	281	59
Show		02457+3924	UC 800	AB	27.90	35	61
Show		02457+3924	UC 800	AC	21.40	229	61
Show		02457+3924	UC 800	BC	48.90	221	62
Show		02383+3744	FOX 127	AB	6	291	72
Show		02383+3744	BU 305	AC	20.50	205	72
Show		02383+3744	WAL 18	AD	48.80	78	72
Show		02457+3938	UC 799		73.40	43	73
Show		02471+3927	COU1221		1.30	126	75
Show		02465+3935	UC 805		43.70	339	75
Show		02489+3823	ALD 10		2.80	259	78
Show		02471+3744	A 1821	AB	5.30	166	78
Show		02471+3744	A 1821	AC	10.60	44	78
Show		02462+3943	UC 802		100.60	252	80
Show		02390+3729	J 881	AB	3	22	81
Show		02390+3729	J 881	AC	98.30	345	81
Show		02387+3728	CRB 49		16.20	61	81
Show		02478+3930	HDS 363		0.10	43	83
Show		02353+3819	CRB 48		20.60	100	85
Show		02453+3718	COU1220		0.80	101	86
Show		02351+3821	ES 2453		8.40	78	86
Show		02371+3736	TDS2306		0.40	58	87
Show		02428+3709	STF 294		7.40	100	89
Show		02499+3824	ES 2454		7.70	180	90
Show		02481+3733	AG 51		11.30	285	93
Show		02422+4012	MCA 8		0.10	298	95