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 15576+2653 AGC 7 AC 1912 2015 7 172 96.0 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
Gaia DR2
53534258816
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
 
 
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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