04353+2254 KSA 108

04^h 35^m 20.90^s +22° 54' 24.2" P.A. 47.00 sep 0.0 mag 9.00,10.00 Sp K7

Coord 2000	04353+2254	Discov num	KSA 108	Comp		Coord arcsec 2000	04 35 20.90 +22 54 24.2
Date first	2007	Date last	2015	Obs	13
Pa first	356	Pa last	47	P.A. Now (θ)	352.7°
Sep first	0.0	Sep last	0.041	Sep. Now (ρ)	0.033"
Mag pri	9.00	Mag sec	10.00	delta mag (ΔM)	1	Spectral class	K7 (yellow-orange)
Pri motion ra	+010	Sec motion ra
Pri motion dec	-015	Sec motion dec
Notes	N O K (See Notes, Orbital solution, K-band or other infrared magnitudes)

Visually invisible, K-band or other infrared star : Summary line gives K-band or other infrared (>1 micron) magnitudes

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Constellation

Taurus

Gaia DR2

145213875069914496

ORBITAL ELEMENTS

Period (P)	5393.5d (14.77y)	± 66.8	Periastron (T)	55168.6d (2009.922y)	± 5.7	Semi-major axis (a)	38.85m	± 0.49
Eccentricity (e)	0.634	± 0.004	Inclination (i)	124.9°	± 0.5	Longitude of periastron (ω)	305.2°	± 0.3
Node (Ω)	176.8°	± 0.4	Notes	n		Reference	Riz2020
Equinox			Last observation	2015		Grade	3	(1=Definitive, 9=Indet.)

label	theta	rho
2000	59.9	0.036
2001	48.8	0.041
2002	40.0	0.045
2003	32.6	0.049
2004	26.0	0.051
2005	19.7	0.051
2006	13.2	0.049
2007	5.9	0.045
2008	355.9	0.036
2009	334.7	0.020
2010	205.6	0.012
2011	149.1	0.021
2012	116.2	0.023
2013	90.1	0.027
2014	71.0	0.032
2015	57.1	0.037
2016	46.6	0.042
2017	38.1	0.046
2018	31.0	0.049
2019	24.5	0.051
2020	18.2	0.051
2021	11.6	0.048
2022	3.9	0.043
2023	352.7	0.033
2024	322.8	0.016
2025	184.9	0.015
2026	140.8	0.022
2027	109.5	0.024
2028	85.1	0.028
2029	67.3	0.033
2030	54.4	0.038

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

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

WDS 04353+2254 KSA 108 : NOTES

discov_num	notes	refcode
KSA 108	Primary is variable star FF Tau.

REFERENCES

refcode	metd	author	reference
Riz2020	Am+ j	Rizzuto, A.C., Dupuy, T.J., Ireland, M.J. & Kraus, A.L.	2020ApJ...889..175R
Riz2020	+H3+	ApJ 889, 175, 2020
Riz2020	+orb
Riz2020	+not

DISCOVERER

idgroup	discov	author
1	KSA	Kraus, A.L. & Hillenbrand, L.A.
13	KSA	Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J.,
13	KSA	Bowler, B.P., & Liu, M.C.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04353+2254	KSA 108		2007	1	356	0.0	9.00	10.00	K7	N K	043520.90+225424.2
04353+2254	KSA 108		2015	13	47	0.0	9.00	10.00	K7	NO K	043520.90+225424.2

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

WDS 04353+2254 KSA 108 : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04353+2254 KSA 108 : MEASURES

No records found.

WDS 04353+2254 : VIRTUAL EYEPIECE

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WDS 04353+2254 : ALADIN DSS IMAGE @ 04^h 35^m 20.90^s +22° 54' 24.2"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04353+2254 KSA 108 : 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		04353+2254	KSA 108		47	0.0
Show		04358+2250	OCC9095	Aa,Ab	-1	0.0	8
Show		04359+2254	OCC9096	Ca,Cb	-1	0.0	8
Show		04359+2254	KSA 109	Ba,Bb	294	0.1	8
Show		04359+2254	HAT 12	BC	325	17.4	8
Show		04359+2254	LEI 21	AB	243	10.1	8
Show		04359+2254	HAT 12	AC	297	21.4	8
Show		04359+2254	ITO 33	AD	174	8.3	8
Show		04359+2255	LEI 20		246	0.7	9
Show		04348+2242	STF 562	AB	285	1.8	16
Show		04348+2242	SKF2819	AC	291	182.3	16
Show		04368+2246	LDS6136		102	249.1	22
Show		04352+2232	LDS1177		254	4.3	23
Show		04353+2232	HER 23		105	7.1	23
Show		04368+2237	LDS6135		56	3.2	27
Show		04333+2253	DCH 55	AB	121	22.6	29
Show		04333+2253	DCH 55	AC	263	27.3	29
Show		04333+2253	DCH 55	AD	114	19.3	29
Show		04332+2256	LDS5573		260	10.1	31
Show		04359+2323	POU 463		17	8.6	31
Show		04330+2244	FMR 190		93	4.7	35
Show		04328+2253	KSA 21	Ba,Bb	334	0.5	35
Show		04328+2253	KSA 21	AB	37	6.5	35
Show		04328+2253	KSA 21	Aa,Ab	111	1.7	35
Show		04382+2302	KOH 17		92	9.3	42
Show		04384+2241	LDS6137		305	85.0	44
Show		04363+2337	LDS5577		315	75.2	46
Show		04319+2316	POU 459		54	12.1	52
Show		04344+2346	POU 461	AB	126	7.8	53
Show		04393+2248	LEI 22		324	0.7	55
Show		04381+2334	POU 468		140	16.1	55
Show		04338+2347	SHN 89		-1	0.1	57
Show		04387+2327	POU 469		281	16.0	58
Show		04359+2352	FYM 356	CF	3	7.5	59
Show		04359+2352	KOH 15	AB	335	0.1	59
Show		04359+2352	POU 462	AB,C	272	11.5	59
Show		04359+2352	DAE 28	AD	208	0.9	59
Show		04359+2352	FYM 356	AB,E	176	18.0	59
Show		04315+2231	COU 265		233	0.4	59
Show		04315+2230	COU 266		64	2.4	59
Show		04349+2354	LDS5576		250	75.3	59
Show		04369+2351	POU 466			13.7	61
Show		04395+2316	POU 471		228	3.1	62
Show		04317+2330	POU 458		186	12.4	62
Show		04393+2221	KSA 25	AB	184	28.1	65
Show		04393+2221	LKCA 15	Aa,Ab	274	0.1	65
Show		04393+2221	LKCA 15	Aa,Ac	312	0.1	65
Show		04393+2221	LKCA 15	Aa,Ad	14	0.1	65
Show		04400+2301	HU 442		110	0.2	65
Show		04365+2357	POU 465		178	13.7	65
Show		04329+2155	LDS6132		20	2.0	70

WDS 04353+2254 : COMPONENTS

	A
B	pa=44.6° sep=0.04"

04353+2254 A

Componente originario normalizzato	AB		Coord arcsec 2000	043520.90+225424.2		Mag	9		Spectral class	K7 (yellow-orange)
PmRA	10.00		PmDE	-15.0

04353+2254 B

Componente originario normalizzato	AB		Coord arcsec 2000	043520.90+225424.2		Mag	10		Calc delta mag	1
Calc coord	yes