14450+2704 STF1877AB (Izar)

 
 
14h 44m 59.14s +27 04' 29.9" P.A. 345 sep 2.9 mag 2.58,4.81 Sp K0II-III dist. 62.11 pc (202.6 l.y.)
 
 
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.
 
 
14450+2704 SYSTEM COMPONENTS
 
 
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 83500 14450+2704 STF1877 AC 1901 2001 6 255 175.5 2.58 12.58 10.00
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
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
1279798789901591168
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
 
 
WDS HISTORIC DATA
 
 
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

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