15576+2653 AGC   7AB (Eps CrB)

 
 
15h 57m 35.30s +26 52' 40.9" P.A. 10 sep 2 mag 4.13,12.60 Sp K2IIIab dist. 67.89 pc (221.46 l.y.)
 
 
Coord 2000
15576+2653
Discov num
AGC   7
Comp
AB
Coord arcsec 2000
15 57 35.30 +26 52 40.9
Date first
1876
Date last
2002
Obs
17
Pa first
351
Pa last
10
P.A. Now (θ)
10°
Sep first
2.1
Sep last
2.0
Sep. Now (ρ)
2"
Mag pri
4.13
Mag sec
12.60
delta mag (ΔM)
8.47
Spectral class
K2IIIab (yellow-orange)
Pri motion ra
-076
Sec motion ra
Pri motion dec
-062
Sec motion dec
Notes
N (See Notes)
Nature of this double is uncertain.
 
 
15576+2653 SYSTEM COMPONENTS
 
 
Show name SAO coord_2000 discov# comp first last obs pa sep mag1 mag2 d_mag orb current
Show Eps CrB 84098 15576+2653 AGC 7 AB 1876 2002 17 10 2.0 4.13 12.60 8.47 <===
Show 84098 15576+2653 AGC 7 AC 1912 2009 6 172 96.6 4.13 12.61 8.48
Triple system
3 visible stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Precise pa
9.8
Precise sep
1.96
Name
Eps CrB
Constellation
Corona Borealis
SAO
84098
HIP
78159
Tycho2
2037-01826-1
HD
143107
HR
5947
GC
21440
BD
BD+27 2558
Bayer
Epsilon Coronae Borealis
Bayer name
Eps CrB
Flamsteed
13 Coronae Borealis
Flamsteed name
13 CrB
Distance
67.89
Distance ly
221.46
last precise pa
9.8
last precise sep
1.96
 
 
WDS HISTORIC DATA
 
 
coord_2000 discov_num comp epoch obs pa sep mag_pri mag_sec spectr notes coord_arcsec_2000
15576+2653 AGC 7 AB 1965 16 10 2.1 4.20 12.60 K2IIIab N 155735.30+265240.9
15576+2653 AGC 7 AB 2002 17 10 2.0 4.20 12.60 K2IIIab N D 155735.30+265240.9

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