5477 20211214143042.0 SCART-2021-0141 Groenewegen, M.A.T. The parallax zero point offset from Gaia EDR3 data 2021 NO A&A 654 2021 A20 martin.groenewegen@observatoire.be 919284 http://publi2-as.oma.be/record/5477/files/Groenewegen_21AA654_A20_PZPO.pdf 3211 http://publi2-as.oma.be/record/5477/files/Groenewegen_21AA654_A20_PZPO.gif?subformat=icon icon 8561 http://publi2-as.oma.be/record/5477/files/Groenewegen_21AA654_A20_PZPO.jpg?subformat=icon-180 icon-180 published in REFERD