| gptkbp:instanceOf | gptkb:star gptkb:stellar_classification
 
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                                | gptkbp:age | 600 million years 
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                                | gptkbp:apparentMagnitude | 2.56 +1.13
 
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                                | gptkbp:BayerDesignation | gptkb:Delta_Leonis 
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                                | gptkbp:catalogue | gptkb:Hipparcos gptkb:Henry_Draper_Catalogue
 gptkb:SAO_81298
 gptkb:Bright_Star_Catalogue
 gptkb:HD_97603
 gptkb:HR_4359
 HIP 54872
 
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                                | gptkbp:colorIndexB-V | +0.09 +0.11
 
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                                | gptkbp:constellation | gptkb:Leo 
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                                | gptkbp:declination | +20° 31′ 25″ 
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                                | gptkbp:diameter | 2.14 solar radii 
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                                | gptkbp:distanceFromEarth | 58.5 light years 
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                                | gptkbp:FlamsteedDesignation | 73 Leonis 
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                                | gptkbp:luminosity | 15.5 times solar luminosity 
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                                | gptkbp:mass | 2.14 solar masses 
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                                | gptkbp:metallicity | −0.02 [Fe/H] 
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                                | gptkbp:otherName | gptkb:Zosma δ Leonis
 
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                                | gptkbp:parallax | 55.82 mas 
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                                | gptkbp:properMotionRA | −13.54 mas/yr −155.08 mas/yr
 
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                                | gptkbp:rightAscension | 11h 14m 6.5s 
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                                | gptkbp:rotationPeriod | 180 km/s 
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                                | gptkbp:spectralType | gptkb:A4V 
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                                | gptkbp:temperature | 8,500 K 
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                                | gptkbp:variableStar | no 
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                                | gptkbp:bfsParent | gptkb:Zosma 
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                                | gptkbp:bfsLayer | 8 
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                                | https://www.w3.org/2000/01/rdf-schema#label | Delta Leonis 
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