14450+2704 STF1877AB (Izar)

Coord 2000	14450+2704		Discov num	STF1877		Comp	AB		Coord arcsec 2000	14 44 59.14 +27 04 29.9
Date first	1822		Date last	2017		Obs	464
Pa first	318		Pa last	345		P.A. Now (θ)	345°
Sep first	2.7		Sep last	2.9		Sep. Now (ρ)	2.9"
Mag pri	2.58		Mag sec	4.81		delta mag (ΔM)	2.23		Spectral class	K0II-III (yellow-orange)
Pri motion ra	-051		Sec motion ra
Pri motion dec	+020		Sec motion dec
Notes	N (See Notes)

Nature of this double is uncertain.

Show

name

SAO

coord_2000

discov#

comp

first

last

obs

pa

sep

mag1

mag2

d_mag

orb

current

Show

Izar

83500

14450+2704

STF1877

AB

1822

2017

464

345

2.9

2.58

4.81

2.23

<===

Show

14450+2704

STF1877

AC

1901

2001

6

255

175.5

2.58

12.58

10.00

Triple system
3 visible stars in this system

Precise pa	344.8		Precise sep	2.93		Common name	Izar		Other names	Mirac, Mirak
Constellation	Bootes		SAO	83500		HIP	72105		Tycho2	2019-01251-1
Gaia DR2	89901591168		HD	129989		HR	5505		GC	19856
BD	BD+27 2417		Bayer	Epsilon Bootis		Bayer name	Eps Boo		Flamsteed	36 Bootis
Flamsteed name	36 Boo		Distance	62.11		Distance ly	202.6

coord_2000	discov_num	comp	epoch	obs	pa	sep	mag_pri	mag_sec	spectr	notes	coord_arcsec_2000
14450+2704	STF1877	AB	2006	426	342	2.8	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2008	436	344	2.9	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2009	438	343	3.0	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2010	447	343	2.8	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2011	447	345	3.0	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2012	455	343	2.9	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2014	458	343	2.9	2.58	4.81	K0II-III	N D	144459.25+270427.0
14450+2704	STF1877	AB	2015	461	343	2.9	2.58	4.81	K0II-III	N	144459.25+270427.0
14450+2704	STF1877	AB	2017	464	345	2.9	2.58	4.81	K0II-III	N	144459.14+270429.9

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