{"id":1663246,"slug":"z-318-18","name":"Z 318-18","domain":"deep-sky","class":"galaxy","otype":"G","otype_label":"Galaxy","ra":227.28329999999997,"dec":67.2225,"coo_err_mas":null,"coo_bibcode":"2021ApJ...922..267C","plx_mas":null,"pmra":0.056,"pmdec":0.074,"rv_kms":-246.9,"redshift":-0.0008232309,"dist_pc":null,"vmag":10.6,"bmag":13.6,"gmag":null,"jmag":null,"kmag":8.17,"sp_type":null,"morph_type":"dSph","size_maj":32.2333,"size_min":32.2333,"size_angle":90.0,"nbref":1471,"simbad_oid":407086,"gaia_dr3":null,"jpl_spkid":null,"ned_name":"Ursa Minor Dwarf","exo_name":null,"host_object_id":null,"depth":1,"deep_at":"2026-09-11T21:06:31.196382+00:00","views":14,"first_seen":"2026-08-14T16:49:54.419452+00:00","updated_at":"2026-09-13T03:31:46.301398+00:00","identifiers":["Anon 1508+67","DDO 199","EQ 1508+674","K73 663","LEDA 54074","MCG+11-18-030","UGC 9749","UMi","UMi dSph","UMi Dwarf Galaxy","UMi Galaxy","Ursa Minor","Ursa Minor Dwarf Galaxy","UZC J150910.2+671252","[VDD93] 204","Z 1508.2+6723","Z 318-18","Z 319-1"],"measurements":[{"parameter":"distance","value":70145.5,"value_text":null,"unit":"pc","err_plus":3549.36,"err_minus":-3549.36,"band":null,"method":"RRLyr","source":"simbad","reference":"2025A&A...695A..88G","ref_year":2025},{"parameter":"distance","value":76.0,"value_text":null,"unit":"kpc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2020ApJ...893...47D","ref_year":2020},{"parameter":"distance","value":0.06,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":"redshift","source":"simbad","reference":"2018MNRAS.479.4136K","ref_year":2018},{"parameter":"distance","value":0.06,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":"T-RDB","source":"simbad","reference":"2017AJ....153....6K","ref_year":2017},{"parameter":"distance","value":0.07,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2016AJ....152...50T","ref_year":2016},{"parameter":"distance","value":0.07,"value_text":null,"unit":"Mpc","err_plus":0.14,"err_minus":-0.14,"band":null,"method":null,"source":"simbad","reference":"2013AJ....146...86T","ref_year":2013},{"parameter":"distance","value":0.07,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":"T-RGB","source":"simbad","reference":"2008ApJ...676..184T","ref_year":2008},{"parameter":"distance","value":0.064,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2008MNRAS.389.1924F","ref_year":2008},{"parameter":"distance","value":0.1,"value_text":null,"unit":"Mpc","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2005A&A...436..443V","ref_year":2005},{"parameter":"magnitude","value":10.6,"value_text":null,"unit":"mag","err_plus":0.5,"err_minus":0.5,"band":"V","method":"V","source":"simbad","reference":"2012AJ....144....4M","ref_year":2012},{"parameter":"magnitude","value":8.17,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"K","method":"V","source":"simbad","reference":"2008MNRAS.389.1924F","ref_year":2008},{"parameter":"magnitude","value":13.6,"value_text":null,"unit":"mag","err_plus":null,"err_minus":null,"band":"B","method":"V","source":"simbad","reference":"2005A&A...436..443V","ref_year":2005},{"parameter":"metallicity","value":-2.13,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2012AJ....144..183L","ref_year":2012},{"parameter":"metallicity","value":-2.11,"value_text":null,"unit":"dex","err_plus":null,"err_minus":null,"band":null,"method":null,"source":"simbad","reference":"2012AJ....144...76W","ref_year":2012},{"parameter":"radial_velocity","value":-254.0,"value_text":null,"unit":"km/s","err_plus":null,"err_minus":null,"band":null,"method":"v","source":"simbad","reference":"2016AJ....152...50T","ref_year":2016},{"parameter":"radial_velocity","value":-261.0,"value_text":null,"unit":"km/s","err_plus":2.0,"err_minus":2.0,"band":null,"method":"cz","source":"simbad","reference":"1999PASP..111..438F","ref_year":1999},{"parameter":"radial_velocity","value":-0.000697,"value_text":null,"unit":"km/s","err_plus":8e-05,"err_minus":8e-05,"band":null,"method":"z","source":"simbad","reference":"1991RC3v9.C......0D","ref_year":1991},{"parameter":"redshift","value":0.000823569751044237,"value_text":null,"unit":null,"err_plus":3.33564095198152e-07,"err_minus":3.33564095198152e-07,"band":null,"method":null,"source":"ned","reference":"2023MNRAS.525.2875S","ref_year":2023},{"parameter":"sed_flux","value":0.209,"value_text":null,"unit":"Jy","err_plus":0.1,"err_minus":0.1,"band":"Johnson:V","method":"J/AJ/144/4/catalog","source":"vizier","reference":"J/AJ/144/4/catalog","ref_year":null},{"parameter":"sed_flux","value":0.596,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:K","method":"J/AJ/167/10/table5","source":"vizier","reference":"J/AJ/167/10/table5","ref_year":null},{"parameter":"sed_flux","value":0.0107,"value_text":null,"unit":"Jy","err_plus":null,"err_minus":null,"band":"Johnson:V","method":"J/other/Obs/142.207/table2","source":"vizier","reference":"J/other/Obs/142.207/table2","ref_year":null}],"orbit":null,"exoplanet":null,"sources":[{"source":"simbad","url":"https://simbad.cds.unistra.fr/simbad/sim-basic?Ident=Z 318-18","fetched_at":"2026-09-11T21:06:20.935251+00:00"},{"source":"ned","url":"https://ned.ipac.caltech.edu/byname?objname=Ursa Minor Dwarf","fetched_at":"2026-09-11T21:06:22.159759+00:00"},{"source":"vizier","url":"https://vizier.cds.unistra.fr/viz-bin/VizieR-4?-c=227.283300%20+67.222500&-c.rs=5","fetched_at":"2026-09-11T21:06:31.194885+00:00"}]}