03406+2846 STF 427 AB (V1268 Tau)

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.

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

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

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

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

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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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.

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.

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DSS color DSS blue 2MASS AllWISE GALEX SDSS9 XMM PanSTARRS