15268+2840 COU 484

 
 
15h 26m 47.14s +28 40' 04.1" P.A. 84 sep 0.3 mag 10.19,9.67 Sp K0 dist. 154.32 pc (503.39 l.y.)
 
 
Coord 2000
15268+2840
Discov num
COU 484
Comp
Coord arcsec 2000
15 26 47.14 +28 40 04.1
Date first
1970
Date last
2008
Obs
15
Pa first
65
Pa last
84
P.A. Now (θ)
84°
Sep first
0.2
Sep last
0.3
Sep. Now (ρ)
0.3"
Mag pri
10.19
Mag sec
9.67
delta mag (ΔM)
0.52
Spectral class
K0 (yellow-orange)
Pri motion ra
-012
Sec motion ra
Pri motion dec
-018
Sec motion dec
Notes
Nature of this double is uncertain.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
83.6
Precise sep
0.309
Constellation
Corona Borealis
SAO
83824
HIP
75602
Tycho2
2032-01539-1
HD
137739
BD
BD+29 2667
Distance
154.32
Distance ly
503.39
last precise pa
83.6
last precise sep
0.309
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15268+2840 COU 484 1996 14 94 0.2 10.19 9.67 K0 152647.14+284004.1
15268+2840 COU 484 2008 15 84 0.3 10.19 9.67 K0 152647.14+284004.1

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