02402+0436 HDS 347

02^h 40^m 14.23^s +04° 35' 55.9" P.A. 325.00 sep 0.6 mag 11.58,11.94 Sp K7 dist. 100 pc (326.2 l.y.)

Coord 2000	02402+0436	Discov num	HDS 347	Comp		Coord arcsec 2000	02 40 14.23 +04 35 55.9
Date first	1991	Date last	2018	Obs	17
Pa first	82	Pa last	324.9	P.A. Now (θ)	324.9°
Sep first	0.3	Sep last	0.611	Sep. Now (ρ)	0.611"
Mag pri	11.58	Mag sec	11.94	delta mag (ΔM)	0.36	Spectral class	K7 (yellow-orange)
Pri motion ra	+072	Sec motion ra
Pri motion dec	-039	Sec motion dec
Notes	N O (See Notes, Orbital solution)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation	Cetus		HIP	12446		Tycho2	0050-00874-3		Gaia DR2	5939394309662848
Distance	100		Distance ly	326.2

ORBITAL ELEMENTS

Period (P)	362.678y	± 2.712	Periastron (T)	2346.36y	± 0.185	Semi-major axis (a)	0.8002a	± 0.0103
Eccentricity (e)	0.631	± 0.006	Inclination (i)	35°	± 0.3	Longitude of periastron (ω)	261.5°	± 1
Node (Ω)	135.2°	± 0.7	Notes	n		Reference	Cve2020b
Equinox			Last observation	2018		Grade	4	(1=Definitive, 9=Indet.)

label	theta	rho
2000	114.0	0.395
2001	116.5	0.408
2002	118.9	0.421
2003	121.1	0.434
2004	123.2	0.447
2005	125.1	0.459
2006	127.0	0.472
2007	128.8	0.484
2008	130.5	0.496
2009	132.1	0.507
2010	133.6	0.519
2011	135.1	0.530
2012	136.5	0.541
2013	137.8	0.552
2014	139.1	0.563
2015	140.4	0.573
2016	141.6	0.583
2017	142.8	0.593
2018	143.9	0.603
2019	145.0	0.613
2020	146.0	0.622
2021	147.1	0.632
2022	148.1	0.641
2023	149.0	0.650
2024	150.0	0.659
2025	150.9	0.667
2026	151.8	0.676
2027	152.7	0.684
2028	153.5	0.692
2029	154.4	0.700
2030	155.2	0.708

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

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

WDS 02402+0436 HDS 347 : NOTES

discov_num	notes	refcode
HDS 347	Mean motion indicates P ~ 90 yr, rho increasing.	Msn1999b

REFERENCES

refcode	metd	author	reference
Cve2020b	orb -	Cvetkovic, Z. & Pavlovic, R.	2020AJ....160...48C
Cve2020b		AJ 160, 48, 2020
Msn1999b	Su j	Mason, B.D., Martin, C., Hartkopf, W.I., Barry, D.J., Germain, M.E.,	1999AJ....117.1890M
Msn1999b		Douglass, G.G., Worley, C.E., ten Brummelaar, T.A., et al.
Msn1999b		AJ 117, 1890, 1999

DISCOVERER

idgroup	discov	author
1	HDS	Hipparcos Double Star (from additional DD list)

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
02402+0436	HDS 347		2000	4	117	0.4	11.58	11.94	K7	N D	024014.23+043555.9
02402+0436	HDS 347		2007	5	128	0.5	11.58	11.94	K7	N D	024014.23+043555.9
02402+0436	HDS 347		2010	6	313	0.5	11.58	11.94	K7	N D	024014.23+043555.9
02402+0436	HDS 347		2015	9	321	0.6	11.58	11.94	K7	N	024014.23+043555.9
02402+0436	HDS 347		2017	14	324	0.6	11.58	11.94	K7	N	024014.23+043555.9
02402+0436	HDS 347		2018	15	325	0.6	11.58	11.94	K7	N	024014.23+043555.9

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

WDS 02402+0436 HDS 347 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 02402+0436 HDS 347 : MEASURES

No records found.

WDS 02402+0436 : VIRTUAL EYEPIECE

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WDS 02402+0436 : ALADIN DSS IMAGE @ 02^h 40^m 14.23^s +04° 35' 55.9"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 02402+0436 HDS 347 : NEIGHBORHOODS

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Pass over with the mouse cursor to display the catalog designation.

Show	name	coord_2000	discov#	comp	pa	sep	dist(')
Show		02402+0436	HDS 347		325	0.6
Show		02409+0452	STT 45		257	0.8	20
Show		02414+0426	A 2337	AB	253	3.0	20
Show		02414+0426	A 2337	AC	115	25.1	20
Show		02414+0426	A 2337	AD	212	20.7	20
Show		02426+0418	BAL2108		94	20.1	41
Show		02427+0517	UC 787		71	11.6	55
Show		02392+0343	A 2336		313	2.9	55
Show		02424+0541	SLW 127		230	118.9	74
Show		02386+0327	KUI 9		330	0.8	74
Show		02431+0330	GWP 359	AB	105	59.7	79
Show		02431+0330	GWP 360	AC	77	288.2	79
Show		02352+0407	TOK 649		318	24.2	81
Show		02443+0532	ITF 87		57	15.9	83
Show		02371+0544	PLQ 34		204	38.8	84
Show		02359+0536	STF 281		80	8.1	89
Show	Kaffaljidhma	02433+0314	STF 299	AB	299	1.9	94
Show	Kaffaljidhma	02433+0314	ALD 124	AC	306	843.1	94
Show		02401+0255	UC 771		105	38.8	101
Show		02460+0531	ITF 24		60	3.2	103
Show		02471+0417	HEI 624		244	0.9	105
Show		02462+0536	RAO 9	AB	254	1.9	108
Show		02462+0536	TOK 651	AC	222	494.0	108
Show		02462+0536	TOK 651	AD	194	999.9	108
Show		02368+0612	SLW 122		96	22.0	109
Show		02375+0622	BRT2107		101	5.0	114
Show		02424+0247	GWP 356		111	29.7	114
Show		02322+0415	BAL2107		353	9.0	122
Show		02327+0344	A 2334		11	0.1	125
Show		02385+0638	SKF 24		344	7.6	125
Show		02320+0416	HJ 651		119	9.9	126
Show		02377+0642	HJ 5454		53	22.1	132
Show		02464+0301	GWP 367		131	8.1	134
Show		02477+0551	STF 309		9	25.7	135
Show		02324+0323	TOK 874		160	1.5	139
Show		02344+0238	BAL1625		239	12.0	147
Show		02325+0606	FMR 55		56	18.2	147
Show		02305+0504	PLQ 31		327	27.1	148
Show		02361+0653	GKI 1	AB	318	1.7	151
Show		02361+0653	PLQ 32	AC	110	164.2	151
Show		02337+0633	GRV 133		24	47.7	153
Show		02352+0649	A 2021		17	4.4	154
Show		02327+0620	STF 276		276	1.8	154
Show		02381+0203	TDS2312		257	0.9	157
Show		02297+0453	A 2017		66	3.5	159
Show		02478+0634	SLW 132		104	162.7	163
Show		02305+0314	BAL1624		237	4.8	168
Show		02317+0244	A 2333		218	0.3	170
Show		02509+0331	PLQ 36		191	29.5	172
Show		02415+0726	SHN 73		-1	0.4	172
Show		02517+0446	ITF 25		141	11.1	173

WDS 02402+0436 : COMPONENTS

	A
B	pa=325.0° sep=0.61"

02402+0436 A

Componente originario normalizzato	AB		Coord arcsec 2000	024014.23+043555.9		Mag	11.58		Spectral class	K7 (yellow-orange)
PmRA	72.00		PmDE	-39.0		HIP	12446		Tycho2	0050-00874-3

Tycho2

Tycho2	0050-00874-3	Pflag		RAmdeg	40.05943387	DEmdeg	4.59875244
PmRA	69.2	PmDE	-41.5	E RAmdeg	68	E DEmdeg	81
E pmRA	2.5	E pmDE	2.5	EpRAm	1980.99	EpDEm	1975.17
Num	2	Q RAmdeg		Q DEmdeg		Q pmRA
Q pmDE		BTmag	12.090	E BTmag	0.197	VTmag	11.054
E VTmag	0.112	Prox	999	TYC		HIP	12446
CCDM	AB	RAdeg	40.05927250	DEdeg	4.59885194	EpRA 1990	1.64
EpDE 1990	1.37	E RAdeg	72.5	E DEdeg	91.1	Posflg	P
Corr	0.0

Hipparcos

Catalog	H	HIP	12446	Proxy	H	RAhms	02 40 14.23
DEdms	+04 35 55.9	Vmag	10.85	VarFlag		R Vmag	G
RAdeg	40.0593	DEdeg	4.59885	AstroRef	*	Plx	15.56
CCDM	02402+0436	N CCDM	H	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	82	Rho	0.293	HD		BD
CD		CP		Dm number		VIred	1.16
SpType	K7	R SpType		Coord arcsec 2000	024014.23+043555.9

Hipparcos 2

HIP	12446	Sn	55	So	3	Nc	2
RArad	0.6991665345	DErad	0.0802651638	Plx	10	PmRA	69.66
PmDE	-43.25	E RArad	3.14	E DErad	1.94	E Plx	3.62
E pmRA	3.33	E pmDE	2.89	Hpmag	10.9925	E Hpmag	0.0088
SHp	0.04	VA	0	BV	1.196	E BV	0.008
VI	1.16

CCDM

Ccdm	02402+0436	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.26	DDEs	-4.5
R dRAs	82	Year		Theta		Rho
Obs	2	Vmag	11.6	Sp	K7	PmNote	*
PmRA	72	PmDE	-39	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	12446

02402+0436 B

Componente originario normalizzato	AB		Coord arcsec 2000	024014.21+043556.4		Mag	11.94		Calc delta mag	0.36
Calc coord	yes

CCDM

Ccdm	02402+0436	RComp		Comp	B	Note1
Note2		Discov num	HDS	DRAs	2.28	DDEs	-4.4
R dRAs	82	Year	1991	Theta	82	Rho	0.3
Obs	1	Vmag	11.9	Sp		PmNote	*
PmRA	72	PmDE	-39	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS		M ADS BDS		N IDS		IDS
HIC	12446