04081+2807 KSA 2 Aa,Ab

04^h 08^m 07.82^s +28° 07' 28.0" P.A. 133.00 sep 0.0 mag 11.50,14.20 Sp M3.75

Coord 2000	04081+2807	Discov num	KSA 2	Comp	Aa,Ab	Coord arcsec 2000	04 08 07.82 +28 07 28.0
Date first	2008	Date last	2008	Obs	1
Pa first	133	Pa last	133.1	P.A. Now (θ)	133.1°
Sep first	0.0	Sep last	0.044	Sep. Now (ρ)	0.044"
Mag pri	11.50	Mag sec	14.20	delta mag (ΔM)	2.7	Spectral class	M3.75 (red)
Pri motion ra	+004	Sec motion ra
Pri motion dec	-038	Sec motion dec
Notes	K (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

Nature of this double is uncertain.

04081+2807 SYSTEM COMPONENTS

Show	name	SAO	coord	wds_name	last	obs	pa	sep	mag1	mag2	d_mag	orb	current
Show			04 08 08 +28 07 28	KSA 2 Aa,Ab	2008	1	133	0.0	11.50	14.20	2.70		<===
Show			04 08 08 +28 07 28	KSA 2 AB	2015	15	351	9.6	16.90	12.83	4.07

Triple system
2 estimated visually detectable stars in this system

OTHER CATALOGS AND DESIGNATIONS

Constellation

Taurus

Gaia DR2

163926914439144320

WDS 04081+2807 KSA 2 Aa,Ab : NOTES

No records found.

REFERENCES

refcode	metd	author	reference
KsA2007a	E2 j	Kraus, A.L. & Hillenbrand, L.A.	2007ApJ...662..413K
KsA2007a	+Ed	ApJ 662, 413, 2007
KsA2007b	Ag j	Kraus, A.L. & Hillenbrand, L.A.	2007ApJ...664.1167K
KsA2007b	+E+	ApJ 664, 1167, 2007
KsA2007b	+Pu
KsA2008	Am j	Kraus, A.L., Ireland, M.J., Martinache, F., & Lloyd, J.P.	2008ApJ...679..762K
KsA2008	+C	ApJ 679, 762, 2008
KsA2009	A+ j	Kraus, A.L. & Hillenbrand, L.A.	2009ApJ...703.1511K
KsA2009	+Pb	ApJ 703, 1511, 2009
KsA2009	+E+
KsA2009	+C
KsA2011	Am j	Kraus, A.L., Ireland, M.J., Martinache, F., & Hillenbrand, L.A.	2011ApJ...731....8K
KsA2011		ApJ 731, 8, 2011
KsA2014	A j	Kraus, A.L., Ireland, M.J., Cieza, L.A., Hinkley, S., Dupuy, T.J.,	2014ApJ...781...20K
KsA2014		Bowler, B.P., & Liu, M.C.
KsA2014		ApJ 781, 20, 2014
KsA2016	A j	Kraus, A.L., Ireland, M.J., Huber, D., Mann, A.W., & Dupuy, T.J.	2016AJ....152....8K
KsA2016	+Ao	AJ 152, 8, 2016
KsA2021	A	Pearce, L.A., Kraus, A.L., Dupuy, T.J., Mann, A.W. & Huber, D.	2021ApJ...909..216P
KsA2021		ApJ 909, 216, 2021

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
04081+2807	KSA 2	Aa,Ab	2008	1	133	0.0	11.50	14.20	M3.75	K	040807.82+280728.0

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

WDS 04081+2807 KSA 2 Aa,Ab : VISUAL OBSERVATIONS REPORTS

No records found.

WDS 04081+2807 KSA 2 Aa,Ab : MEASURES

No records found.

WDS 04081+2807 : VIRTUAL EYEPIECE

Click on the map to see the double of your interest.
Pass over with the mouse cursor to display the catalog designation.

WDS 04081+2807 : ALADIN DSS IMAGE @ 04^h 08^m 07.82^s +28° 07' 28.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 04081+2807 KSA 2 Aa,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	pa	sep	dist(')
Show		04081+2807	KSA 2	AB	351	9.6
Show		04081+2807	KSA 2	Aa,Ab	133	0.0
Show		04091+2839	HO 326		295	0.4	34
Show		04057+2824	BU 1277	AB	254	1.6	37
Show		04057+2824	BU 1277	AC	70	54.6	37
Show		04072+2731	TOK 241		181	35.4	40
Show		04084+2725	LDS5506		173	13.1	42
Show		04068+2856	BU 1005		63	2.7	52
Show		04122+2805	MLB 558		357	8.8	54
Show		04091+2901	KOH 3		139	6.8	56
Show		04039+2808	VBS 9		165	1.9	56
Show		04038+2824	COU 701		209	1.6	60
Show		04089+2911	BU 1232		350	0.3	65
Show		04056+2709	LDS5493		80	142.1	67
Show		04039+2725	LDS5484		78	6.0	70
Show		04135+2816	KSA 102		144	0.0	71
Show		04139+2812	DCH 47	AB	246	21.0	77
Show		04139+2812	DCH 47	AC	274	15.2	77
Show		04022+2808	STF 481	AB	106	2.7	78
Show		04022+2808	STF 481	AC	321	13.8	78
Show		04022+2808	STF 481	AD	90	999.9	78
Show		04131+2726	MLB 685		211	2.1	79
Show		04121+2710	BRT 134		339	3.5	80
Show		04032+2720	LDS5481		215	2.6	80
Show		04142+2813	GHE 1	Aa,Ab	186	0.0	81
Show		04142+2813	DCH 101	Aa,Ac	159	0.2	81
Show		04142+2813	HAT 3	AB	15	38.3	81
Show		04142+2813	SKF1027	AD	216	23.4	81
Show		04142+2813	BOD 2	Aa1,2	229	0.0	81
Show		04142+2813	KSA 3	BC	92	26.2	81
Show		04144+2806	BRC 2	AB	154	4.0	84
Show		04144+2806	KSA 4	BC	280	24.8	84
Show		04038+2706	LDS5482		359	120.6	85
Show		04148+2813	GHE 2	Aa,Ab	253	0.1	89
Show		04148+2813	KSA 5	AB	251	26.1	89
Show		04148+2753	GHE 3		69	0.5	90
Show		04134+2907	HDS 537		350	0.1	92
Show		04145+2851	GRV 208		196	22.8	96
Show		04031+2656	LDS5480		30	14.0	99
Show		04157+2819	KSA 130		89	2.6	101
Show		04014+2711	LDS5472		358	47.3	106
Show		04112+2630	STF 502	BC	304	10.9	106
Show		04112+2630	STF 502	AB	242	16.9	106
Show		04114+2631	FYM 509		70	6.2	106
Show		04119+2631	LDS5515		129	261.9	109
Show		04069+2620	RAO 113		159	0.6	109
Show		04163+2752	KSA 6	AC	219	27.9	110
Show		04125+2634	STJ 52		43	1.5	110
Show		04165+2808	KSA 7	AB	155	8.5	111
Show		04165+2808	ITO 18	AC	111	8.8	111
Show		04114+2625	TOK 483	AD	314	502.8	112

WDS 04081+2807 : COMPONENTS

	A	Ab
Ab	pa=136.7° sep=0.04"
B	pa=351.9° sep=9.53"	pa=351.7° sep=9.56"

04081+2807 A

Coord arcsec 2000	040807.82+280728.0		Mag	16.9		Spectral class	M3.75 (red)		PmRA	4.00
PmDE	-38.0

04081+2807 Ab

Coord arcsec 2000

040807.82+280728.0

Mag

14.2

Calc delta mag

2.7

Calc coord

yes

04081+2807 B

Coord arcsec 2000	040807.72+280737.4		Mag	12.83		PmRA	-4.00		PmDE	-1.0
Calc delta mag	1.33		Calc coord	yes