03406+2846 STF 427 AB (V1268 Tau)

03^h 40^m 38.77^s +28° 46' 24.0" P.A. 207.00 sep 7.0 mag 7.41,7.84 Sp A1V+A2V dist. 113.12 pc (369 l.y.)

Coord 2000	03406+2846	Discov num	STF 427	Comp	AB	Coord arcsec 2000	03 40 38.77 +28 46 24.0
Date first	1824	Date last	2020	Obs	71
Pa first	205	Pa last	207.1	P.A. Now (θ)	207.1°
Sep first	7.3	Sep last	7.017	Sep. Now (ρ)	7.017"
Mag pri	7.41	Mag sec	7.84	delta mag (ΔM)	0.43	Spectral class	A1V+A2V (white/white)
Pri motion ra	+021	Sec motion ra	+022
Pri motion dec	-041	Sec motion dec	-040
Notes	N W (See Notes, )

rPM=0.031 (< 0.3, Physical double)

This double is physical.

OTHER CATALOGS AND DESIGNATIONS

Var name	V1268 Tau	Constellation	Taurus	SAO	76071	HIP	17168
Tycho2	1811-02054-1	HD	22766	GC	4377	ADS	2679
BD	BD+28 562	Distance	113.12	Distance ly	369

WDS 03406+2846 STF 427 AB (V1268 Tau) : NOTES

discov_num	notes	refcode
STF 427	H N 23.	MEv2010
	V1268 Tau, Algol-type eclipsing binary, P = 8.161235 d.	Zas2011

REFERENCES

refcode	metd	author	reference
MEv2010	-	MacEvoy, B.	...................
MEv2010		private communication, 2010 (see http://www.handprint.com/ASTRO/index.html)
Zas2011	-	Zasche, P.	...................
Zas2011		private communication, 2011

DISCOVERER

idgroup	discov	author
1	STF	Struve, F.G.W.

WDS HISTORIC DATA

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
03406+2846	STF 427	AB	2020	69	207	7.0	7.41	7.84	A1V+A2V	N W	034038.77+284624.0

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WDS 03406+2846 STF 427 AB (V1268 Tau) : VISUAL OBSERVATIONS REPORTS

Show	date	username	difficulty	separation	pa_estim	interest	notes
Show	22/12/09	Daedalus1	mean difficulty	separated	207		Very nice pair of white stars, primary is somewhat brighter than the companion.

WDS 03406+2846 STF 427 AB (V1268 Tau) : MEASURES

Records found: 1

Show	date	username	difficulty	sep	sep_sigma	pa	pa_sigma	delta_mag	#	notes
Show	22/12/09	Daedalus1	mean difficulty	7.33	0.05	207.00	0.00	0.44	12	Pickering 4, poor.

WDS 03406+2846 (V1268 Tau) : VIRTUAL EYEPIECE

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

WDS 03406+2846 (V1268 Tau) : ALADIN DSS IMAGE @ 03^h 40^m 38.77^s +28° 46' 24.0"

DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS

WDS 03406+2846 STF 427 AB (V1268 Tau) : 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		03406+2846	STF 427	AB	207	7.0
Show		03405+2838	HO 323		208	16.5	9
Show		03413+2832	STF 429		105	16.8	17
Show		03402+2820	UC 1039	BC	58	40.9	27
Show		03402+2820	UC 1039	AB	3	11.7	27
Show		03402+2820	UC 1039	AC	46	48.6	27
Show		03390+2917	UC 1037		231	34.4	38
Show		03392+2757	STF 424		313	10.0	53
Show		03444+2812	A 1826	Aa,Ab	222	0.6	61
Show		03444+2812	MET 33	AB	313	5.7	61
Show		03435+2935	A 989	AB	357	3.2	62
Show		03435+2935	A 989	AC	93	58.8	62
Show		03425+2946	A 987		190	1.1	65
Show		03456+2839	COU 692		318	1.7	66
Show		03404+2957	HDS 465		34	0.0	72
Show		03380+2953	AZC 36		58	21.8	75
Show		03446+2754	STTA 38	AB	53	135.4	75
Show		03463+2850	COU 693		347	0.6	75
Show		03446+2754	BU 1041	BC	321	35.1	75
Show		03360+2936	KPP1974		21	15.6	80
Show		03350+2919	LSC 28		126	0.2	82
Show		03372+2954	COU 689		177	0.2	82
Show		03470+2858	UC 1062		249	46.3	84
Show		03470+2855	J 27		59	4.2	84
Show		03473+2858	AZC 38		80	11.8	89
Show		03353+2751	TDS2592		96	2.1	91
Show		03350+2755	AZC 35		122	12.2	91
Show		03362+2959	BU 1040		338	3.2	94
Show		03476+2908	UC 1065		25	35.7	94
Show		03428+3016	AG 72		283	6.1	95
Show		03404+3022	HJ 335		250	15.6	96
Show		03466+2950	BRT 233		12	3.9	100
Show		03460+2734	CTI7214		263	69.5	102
Show		03332+2817	HO 14		26	2.2	103
Show		03389+2703	TDS2610		348	1.5	106
Show		03326+2844	JNN 24	AB	282	0.1	106
Show		03326+2844	JNN 24	AC	104	0.3	106
Show		03422+2702	LDS6096		283	169.8	106
Show		03466+2728	COU 694		136	2.5	112
Show		03416+2655	LDS6095		36	40.5	113
Show		03493+2930	MLB 684		299	1.5	122
Show		03493+2759	KPP2599		22	23.6	124
Show		03398+2643	GRV 186		284	31.7	124
Show		03372+2646	LDS6089		170	60.5	129
Show		03502+2939	FOX 136		302	28.1	136
Show		03353+2651	COU 688	Aa,Ab	201	0.5	136
Show		03353+2651	STF 415	AB	53	15.1	136
Show		03353+2651	STF 415	AC	357	40.0	136
Show		03310+2937	A 983		145	0.5	137
Show		03511+2847	J 28		189	3.2	138
Show		03374+2632	COU 690		172	4.2	141

WDS 03406+2846 : COMPONENTS

	A
B	pa=204.2° sep=6.85"

03406+2846 A

Name	V1268 Tau	Coord arcsec 2000	034038.77+284624.0	Mag	7.41	Spectral class	A1V (white)
PmRA	21.00	PmDE	-41.0	SAO	76071	HIP	17168
Tycho2	1811-02054-1	HD	22766	GC	4377	ADS	2679
BD	BD+28 562

Tycho2

Tycho2	1811-02054-1	Pflag		RAmdeg	55.16153246	DEmdeg	28.77333261
PmRA	20.5	PmDE	-38.1	E RAmdeg	5	E DEmdeg	7
E pmRA	1.9	E pmDE	1.8	EpRAm	1991.74	EpDEm	1991.33
Num	7	Q RAmdeg	1.2	Q DEmdeg	0.7	Q pmRA	1.3
Q pmDE	0.8	BTmag	7.547	E BTmag	0.017	VTmag	7.405
E VTmag	0.012	Prox	69	TYC	T	HIP	17168
CCDM	A	RAdeg	55.16147917	DEdeg	28.77342278	EpRA 1990	1.81
EpDE 1990	1.49	E RAdeg	4.8	E DEdeg	6.8	Posflg
Corr	0.4

SAO

SAO	76071	DelFlag		RA1950		PmRA1950	0.0026
DE1950		PmDE1950	-0.036	Vmag	7.3	SpType	A0
Double code		Source	70	CatNum	4377	DM	BD+28 562
DMcomp		BDsup		HD	22766	M HD	0
GC	4377	RA1950rad	0.94939655	DE1950rad	0.4993972	PmRA2000	0.0026
PmDE2000	-0.039

Hipparcos

Catalog	H	HIP	17168	Proxy	H	RAhms	03 40 38.76
DEdms	+28 46 24.3	Vmag	6.86	VarFlag	2	R Vmag	H
RAdeg	55.1615	DEdeg	28.7734	AstroRef	A	Plx	6.5
CCDM	03406+2846	N CCDM	I	Nsys	1	Ncomp	2
MultFlag	C	Source		Qual	A	M HIP	AB
Theta	208	Rho	6.992	HD	22766	BD	BD+28 562
CD		CP		Dm number	+28 562	VIred	0.11
SpType	A0...	R SpType		Coord arcsec 2000	034038.76+284624.3

Hipparcos 2

HIP	17168	Sn	15	So	3	Nc	2
RArad	0.962749424	DErad	0.5021910783	Plx	8.84	PmRA	20.33
PmDE	-40.94	E RArad	1.31	E DErad	0.7	E Plx	1.16
E pmRA	1.49	E pmDE	1.15	Hpmag	6.9131	E Hpmag	0.0015
SHp	0.011	VA	2	BV	0.154	E BV	0.011
VI	0.17

CCDM

Ccdm	03406+2846	RComp		Comp	A	Note1
Note2		Discov num		DRAs	2.92	DDEs	24.0
R dRAs	10	Year		Theta		Rho
Obs	2	Vmag	7.3	Sp	A0	PmNote	*
PmRA	43	PmDE	-36	Dm number	+28 562	Cat1	BD
Name2	76071	Cat2	SAO	HD	22766	M HD
ADS BDS	A 2679	M ADS BDS		N IDS		IDS	03345N2827A
HIC	17168

03406+2846 B

Coord arcsec 2000	034038.56+284617.8		Mag	7.84		Spectral class	A2V (white)		PmRA	22.00
PmDE	-40.0		Tycho2	1811-01418-1		Calc delta mag	0.43		Calc coord	yes

Tycho2

Tycho2	1811-01418-1	Pflag		RAmdeg	55.16051833	DEmdeg	28.77162262
PmRA	21.0	PmDE	-39.7	E RAmdeg	6	E DEmdeg	8
E pmRA	2.0	E pmDE	1.9	EpRAm	1991.69	EpDEm	1991.25
Num	5	Q RAmdeg	1.0	Q DEmdeg	1.2	Q pmRA	1.0
Q pmDE	1.3	BTmag	7.999	E BTmag	0.018	VTmag	7.844
E VTmag	0.014	Prox	69	TYC	T	HIP	17168
CCDM	B	RAdeg	55.16046361	DEdeg	28.77171694	EpRA 1990	1.79
EpDE 1990	1.46	E RAdeg	5.8	E DEdeg	8.1	Posflg
Corr	0.1

CCDM

Ccdm	03406+2846	RComp		Comp	B	Note1
Note2		Discov num	STF 427	DRAs	2.68	DDEs	17.9
R dRAs	90	Year	1831	Theta	208	Rho	6.8
Obs	29	Vmag	8.1	Sp		PmNote	*
PmRA	43	PmDE	-38	Dm number		Cat1
Name2		Cat2		HD		M HD
ADS BDS	A 2679	M ADS BDS		N IDS		IDS	03345N2827B
HIC	17168