{"id":2009033,"slug":"mahtessian-150","name":"Mahtessian 150","domain":"deep-sky","class":"galaxy-group","otype":"GrG","otype_label":"GroupG","ra":179.5666,"dec":25.17103,"coo_err_mas":null,"coo_bibcode":"2018A&A...618A..81T","plx_mas":null,"pmra":null,"pmdec":null,"rv_kms":4445.446,"redshift":0.01494,"dist_pc":null,"vmag":null,"bmag":null,"gmag":null,"jmag":null,"kmag":null,"sp_type":null,"morph_type":null,"size_maj":null,"size_min":null,"size_angle":null,"nbref":6,"simbad_oid":1862806,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"[TKK2018] 3970","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-15T16:22:45.527152+00:00","views":9,"first_seen":"2026-08-14T16:50:43.491428+00:00","updated_at":"2026-08-14T16:50:43.491428+00:00","identifiers":["[LH2011] 1916","Mahtessian 150","[SR2020] 678","[TKK2018] 3970","[TKT2016] 737"],"measurements":[{"parameter":"radial_velocity","value":4527.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2020MNRAS.497..466S","ref_year":2020},{"parameter":"radial_velocity","value":0.01494,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"z","source":"simbad","reference":"2018A&A...618A..81T","ref_year":2018}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Mahtessian 150","fetched_at":"2026-09-15T16:22:39.095779+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=[TKK2018] 3970","fetched_at":"2026-09-15T16:22:40.265377+00:00"}]}