{"id":1991915,"slug":"bd-42-2315-1923777","name":"BD+42 2315","domain":"deep-sky","class":"star","otype":"RG*","otype_label":"RGB*","ra":187.58864665024998,"dec":41.26962402432001,"coo_err_mas":0.0095,"coo_bibcode":"2020yCat.1350....0G","plx_mas":1.6453,"pmra":19.749,"pmdec":-13.145,"rv_kms":-32.9136,"redshift":-0.000109781926,"dist_pc":null,"vmag":9.7,"bmag":10.89,"gmag":9.437355,"jmag":7.856,"kmag":7.229,"sp_type":"K0","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":17,"simbad_oid":1923777,"gaia_dr3":1534760078795225728,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["2MASS J12302128+4116106","AG+41 1122","AP J12302128+4116106","BD+42 2315","Gaia DR1 1534760074499604352","Gaia DR2 1534760078795225728","Gaia DR3 1534760078795225728","GEN# +0.04202315","GSC 03020-01288","NGP 42 123","SAO 44206","TIC 376689863","TYC 3020-1288-1","UBV M 3196"],"measurements":[{"parameter":"effective_temperature","value":4500.0,"value_text":null,"unit":"K","err_plus":250.0,"err_minus":250.0,"band":null,"method":null,"source":"nasa-exo","reference":"Niedzielski et al. 2023","ref_year":2023},{"parameter":"mass","value":1.38,"value_text":null,"unit":"M_sun","err_plus":0.3,"err_minus":0.3,"band":null,"method":null,"source":"nasa-exo","reference":"Niedzielski et al. 2023","ref_year":2023},{"parameter":"radius","value":17.85,"value_text":null,"unit":"R_sun","err_plus":10.01,"err_minus":10.01,"band":null,"method":null,"source":"nasa-exo","reference":"Niedzielski et al. 2023","ref_year":2023}],"orbit":null,"exoplanet":null,"sources":[]}