{"id":1668680,"slug":"bd-42-2504","name":"BD+42 2504","domain":"deep-sky","class":"star","otype":"PM*","otype_label":"HighPM*","ra":216.92402333318,"dec":41.95342206585,"coo_err_mas":0.0087,"coo_bibcode":"2020yCat.1350....0G","plx_mas":18.1671,"pmra":-92.254,"pmdec":-101.233,"rv_kms":1.02,"redshift":3.4023597e-06,"dist_pc":null,"vmag":9.98,"bmag":10.93,"gmag":9.658773,"jmag":8.266,"kmag":7.708,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":32,"simbad_oid":582076,"gaia_dr3":1491634483976350720,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":1,"first_seen":"2026-08-14T16:50:07.010051+00:00","updated_at":"2026-08-16T03:44:01.231316+00:00","identifiers":["2MASS J14274177+4157124","BD+42 2504","Gaia DR1 1491634479679315200","Gaia DR2 1491634483976350720","Gaia DR3 1491634483976350720","GSC 03039-00749","HIC 70705","HIP 70705","NLTT 37427","TIC 158025009","TOI-1416","TYC 3039-749-1","WISEA J142741.68+415711.2","WISE J142741.68+415711.2"],"measurements":[{"parameter":"effective_temperature","value":4946.0,"value_text":null,"unit":"K","err_plus":128.62,"err_minus":128.62,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2023},{"parameter":"effective_temperature","value":4884.0,"value_text":null,"unit":"K","err_plus":70.0,"err_minus":70.0,"band":null,"method":null,"source":"nasa-exo","reference":"Deeg et al. 2023","ref_year":2023},{"parameter":"mass","value":0.798,"value_text":null,"unit":"M_sun","err_plus":0.035,"err_minus":0.044,"band":null,"method":null,"source":"nasa-exo","reference":"Deeg et al. 2023","ref_year":2023},{"parameter":"radius","value":0.8,"value_text":null,"unit":"R_sun","err_plus":0.05,"err_minus":0.05,"band":null,"method":null,"source":"nasa-exo","reference":"ExoFOP","ref_year":2023},{"parameter":"radius","value":0.793,"value_text":null,"unit":"R_sun","err_plus":0.036,"err_minus":0.028,"band":null,"method":null,"source":"nasa-exo","reference":"Deeg et al. 2023","ref_year":2023}],"orbit":null,"exoplanet":null,"sources":[]}