16117+3321 STT 305AC

 
 
16h 11m 39.60s +33 20' 33.8" P.A. 264 sep 27.8 mag 6.44,13.00 Sp K2III dist. 154.56 pc (504.17 l.y.)
 
 
Coord 2000
16117+3321
Discov num
STT 305
Comp
AC
Coord arcsec 2000
16 11 39.60 +33 20 33.8
Date first
1847
Date last
1847
Obs
1
Pa first
264
Pa last
264
P.A. Now (θ)
264°
Sep first
27.8
Sep last
27.8
Sep. Now (ρ)
27.8"
Mag pri
6.44
Mag sec
13.00
delta mag (ΔM)
6.56
Spectral class
K2III (yellow-orange)
Pri motion ra
+006
Sec motion ra
Pri motion dec
+013
Sec motion dec
Notes
X (Dubious double)
Nature of this double is uncertain.
 
 
16117+3321 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 65129 16117+3321 STT 305 AB 1843 2015 27 265 5.8 6.44 10.17 3.73
Show 65129 16117+3321 STT 305 AC 1847 1847 1 264 27.8 6.44 13.00 6.56 <===
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
264
Precise sep
27.82
Constellation
Corona Borealis
SAO
65129
HIP
79350
Tycho2
2576-02221-1
HD
145802
HR
6043
BD
BD+33 2696
Distance
154.56
Distance ly
504.17
last precise pa
264
last precise sep
27.82
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
16117+3321 STT 305 AC 1847 1 264 27.8 6.44 13.00 K2III XD 161139.60+332033.8
16117+3321 STT 305 AC 1960 2 84 78.4 6.44 13.00 K2III D 161139.60+332033.8

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