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
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
last precise pa
344.8
last precise sep
2.93
 
 
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.