Rotational velocity and dynamical mass for the nuclear disk of the ULIRG Arp 220

• Main Authors: Azeez, Jazeel H., Zghair, Ammar A., Fadhil, Sadeem A., Zainal Abidin, Zamri
• Format: Conference or Workshop Item
• Published: 2021
• Subjects: Q Science (General); QC Physics
• Online Access: http://eprints.um.edu.my/35866/; https://www.scopus.com/inward/record.uri?eid=2-s2.0-85103812295&doi=10.1088%2f1742-6596%2f1829%2f1%2f012004&partnerID=40&md5=3f5007c0042b1f008da0598a4c831568
• Institution: Universiti Malaya

In this manuscript we use a very high spatial resolution CO (J = 6-5) data from Atacama Large Millimeter/Sub-millimeter Array (ALMA) focused to the center region of Arp 220, at distance D = 77.4 Mpc (1 arcsecond = 375 parsec). The CO emission is resolved efficiently by ALMA beam (0.43"x 0.26&qu...