15379+3006 STF1963AB

 
 
15h 37m 53.73s +30 06' 10.4" P.A. 298 sep 5.2 mag 8.54,8.85 Sp F8 dist. 75.87 pc (247.49 l.y.)
 
 
Coord 2000
15379+3006
Discov num
STF1963
Comp
AB
Coord arcsec 2000
15 37 53.73 +30 06 10.4
Date first
1829
Date last
2013
Obs
116
Pa first
291
Pa last
298
P.A. Now (θ)
298°
Sep first
4.2
Sep last
5.2
Sep. Now (ρ)
5.2"
Mag pri
8.54
Mag sec
8.85
delta mag (ΔM)
0.31
Spectral class
F8 (yellow-white)
Pri motion ra
-023
Sec motion ra
-042
Pri motion dec
+023
Sec motion dec
+038
Notes
N (See Notes)
rPM=0.427
Nature of this double is uncertain.
 
 
15379+3006 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show 64818 15379+3006 STF1963 AB 1829 2013 116 298 5.2 8.54 8.85 0.31 <===
Show 64818 15379+3006 STF1963 AC 1908 2009 4 116 32.0 8.54 13.58 5.04
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
297.7
Precise sep
5.246
Constellation
Corona Borealis
SAO
64818
HIP
76536
Tycho2
2571-00621-1
HD
139569
BD
BD+30 2684
Distance
75.87
Distance ly
247.49
last precise pa
297.7
last precise sep
5.246
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15379+3006 STF1963 AB 1998 91 298 5.1 8.54 8.85 F8 N D 153753.73+300610.4
15379+3006 STF1963 AB 2008 92 298 5.4 8.54 8.85 F8 N D 153753.73+300610.4
15379+3006 STF1963 AB 2009 94 298 5.2 8.54 8.85 F8 N D 153753.73+300610.4
15379+3006 STF1963 AB 2010 101 298 5.1 8.54 8.85 F8 N D 153753.73+300610.4
15379+3006 STF1963 AB 2013 116 298 5.2 8.54 8.85 F8 N 153753.73+300610.4

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