{"id":2106796,"slug":"bmb-257","name":"BMB 257","domain":"deep-sky","class":"star","otype":"AB*","otype_label":"AGB*","ra":271.03108979141,"dec":-29.94454933126,"coo_err_mas":0.0682,"coo_bibcode":"2020yCat.1350....0G","plx_mas":null,"pmra":-4.593,"pmdec":-3.908,"rv_kms":145.6,"redshift":0.0004857873,"dist_pc":null,"vmag":16.338,"bmag":null,"gmag":13.822995,"jmag":9.662,"kmag":8.237,"sp_type":"M6","morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":5,"simbad_oid":2432821,"gaia_dr3":null,"jpl_spkid":null,"ned_name":null,"exo_name":null,"host_object_id":null,"depth":0,"deep_at":null,"views":5,"first_seen":"2026-08-14T16:50:56.835646+00:00","updated_at":"2026-08-14T16:50:56.835646+00:00","identifiers":[],"measurements":[],"orbit":null,"exoplanet":null,"sources":[]}