15311+4022 KZA  93AB

 
 
15h 31m 07.60s +40 21' 32.2" P.A. 357 sep 40.5 mag 9.56,10.78 Sp K0
 
 
Coord 2000
15311+4022
Discov num
KZA  93
Comp
AB
Coord arcsec 2000
15 31 07.60 +40 21 32.2
Date first
1893
Date last
2017
Obs
13
Pa first
358
Pa last
357
P.A. Now (θ)
357°
Sep first
38.7
Sep last
40.5
Sep. Now (ρ)
40.5"
Mag pri
9.56
Mag sec
10.78
delta mag (ΔM)
1.22
Spectral class
K0 (yellow-orange)
Pri motion ra
+017
Sec motion ra
+009
Pri motion dec
-016
Sec motion dec
-002
Notes
rPM=0.691
Nature of this double is uncertain.
 
 
15311+4022 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 45583 15311+4022 KZA 93 AB 1893 2017 13 357 40.5 9.56 10.78 1.22 <===
Show 45583 15311+4022 KZA 93 AC 1982 2017 8 92 49.8 9.56 11.99 2.43
Show 45583 15311+4022 KZA 93 AD 1982 2006 6 17 71.1 9.56 14.82 5.26
Quadruple system
4 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
357.3
Precise sep
40.507
Constellation
Bootes
SAO
45583
Tycho2
3055-01230-1
last precise pa
357.3
last precise sep
40.507
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15311+4022 KZA 93 AB 2006 11 357 40.3 9.71 10.93 D 153107.60+402132.2
15311+4022 KZA 93 AB 2017 13 357 40.5 9.56 10.78 K0 153107.60+402132.2

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