Lambda Coronae Borealis

Lambda Coronae Borealis
Observation data Epoch J2000 Equinox
Constellation	Corona Borealis
Right ascension	15^h 55^m 47.58679^s
Declination	+37° 56′ 49.0491″
Apparent magnitude (V)	5.44

Lambda Coronae Borealis (l CrB), is a star located in the constellation Corona Borealis. Lambda Coronae Borealis is also known as HR 5936, and HD 142908. The star is located at Right Ascension 15h 55m 47s and Declination 37 deg 56 arcmin 49 arcsec.

Lambda Coronae Borealis is a binary star system, where A and B are separated by 98 arcsec. Lambda Coronae Borealis A is an F0IV subgiant star with an apparent visual magnitude of +5.45, and an absolute visual magnitude of +2.34. Lambda Borealis A has an effective temperature of 7500k and a mass of 1.4 solar masses. Lambda Coronae Borealis B, also known as BD+38 2712B has a visual magnitude of +10.

The system is located at a distance of 41 parsecs, or 135.1 ly

References

Corona Borealis constellation

Stars (list)

Bayer	α (Alphecca) β (Nusakan) γ δ ε ζ¹ ζ² η θ ι κ λ μ ν¹ ν² ξ ο π ρ σ τ υ

Flamsteed	23 Her

Variable	R S T U V W RR RS RT RW TW TY UW YY

HR	5702 5760 5769 5808 5313 5827 5877 5957 5983 6043 6046 6052 6068

HD	140913 145457 145957

Gliese	Gliese 611

Other	ADS 9731 BD +33 2642 XO-1

Galaxies

NGC	5924 5958 5961 5974 6001 6016 6038 6069 6076 6077 6085 6086 6089 6096 6097 6102 6103 6104 6105 6107 6108 6109 6110 6112 6114 6116 6117 6117B 6119 6120 6122 6126 6129 6131 6131B 6137 6137B 6142

Other	3C 332 CTD 93 Markarian 493 QSO B1611+343

Galaxy
clusters

Abell 2061
Abell 2063
Abell 2065
Abell 2067
Abell 2079
Abell 2111
Abell 2124
Abell 2142
Abell 2162

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