Andromeda's Parachute: Time Delays and Hubble Constant

Shalyapin, VN; Goicoechea, LJ; Dyrland, K; Dahle, H

Goicoechea, LJ (通讯作者),Univ Cantabria, Dept Fis Moderna, Avda Castros S-N, E-39005 Santander, Spain.

ASTROPHYSICAL JOURNAL, 2023; 955 (2):

Abstract

The gravitational lens system PS J0147+4630 (Andromeda's Parachute) consists of four quasar images ABCD and a lensing galaxy. We obtained r-band light......

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