15406+3128 COU 613

 
 
15h 40m 33.18s +31 28' 19.8" P.A. 6 sep 0.2 mag 9.11,10.18 Sp G5 dist. 337.84 pc (1102.03 l.y.)
 
 
Coord 2000
15406+3128
Discov num
COU 613
Comp
Coord arcsec 2000
15 40 33.18 +31 28 19.8
Date first
1971
Date last
2008
Obs
16
Pa first
329
Pa last
6
P.A. Now (θ)
Sep first
0.3
Sep last
0.2
Sep. Now (ρ)
0.2"
Mag pri
9.11
Mag sec
10.18
delta mag (ΔM)
1.07
Spectral class
G5 (yellow)
Pri motion ra
-066
Sec motion ra
Pri motion dec
+050
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
5.9
Precise sep
0.191
Constellation
Corona Borealis
SAO
64839
HIP
76777
Tycho2
2571-01243-1
HD
140065
BD
BD+31 2762
Distance
337.84
Distance ly
1102.03
last precise pa
5.9
last precise sep
0.191
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15406+3128 COU 613 1995 13 350 0.2 9.11 10.18 G5 D 154033.18+312819.8
15406+3128 COU 613 2008 16 6 0.2 9.11 10.18 G5 D 154033.18+312819.8

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