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183 GHz H2O Megamaser galaxies and intensity Calibrations

Grant number: 17/23708-0
Support type:Scholarships in Brazil - Post-Doctorate
Effective date (Start): February 01, 2018
Effective date (End): September 23, 2019
Field of knowledge:Physical Sciences and Mathematics - Astronomy - Extragalactic Astrophysics
Principal Investigator:Jacques Raymond Daniel Lépine
Grantee:Manuel Antonio Merello Ferrada
Home Institution: Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil
Associated research grant:11/51676-9 - LLAMA: a mm/submm radiotelescope in the Andes, in collaboration with Argentina, AP.TEM


The aim of the present proposal is to make systematic observations of Ultra-Luminous Infrared Galaxies (ULIRGS) in the 183 GHz line of the H2O molecule, making use of the Band 5 receiver that will be available at LLAMA. The observations of maser lines and their spectral energy distribution will bring insight on the emitting sources. The masers detected in ULIRGS could be complemented by observations with ALMA. Furthermore, since these objects are probably relatively strong extragalactic sources, they are candidates to be observed with VLBI. The variability of the maser lines is of interest. This work will be complemented on the technical side by a study of the methods of calibration of line intensities and the reliability of variability measurements.

Scientific publications (5)
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
JONES, B. M.; FULLER, G. A.; BREEN, S. L.; AVISON, A.; GREEN, J. A.; TRAFICANTE, A.; ELIA, D.; ELLINGSEN, S. P.; VORONKOV, M. A.; MERELLO, M.; MOLINARI, S.; SCHISANO, E. The evolutionary status of protostellar clumps hosting class II methanol masers. Monthly Notices of the Royal Astronomical Society, v. 493, n. 2, p. 2015-2041, APR 2020. Web of Science Citations: 0.
BENEDETTINI, M.; MOLINARI, S.; BALDESCHI, A.; BELTRAN, M. T.; BRAND, J.; CESARONI, R.; ELIA, D.; FONTANI, F.; MERELLO, M.; OLMI, L.; PEZZUTO, S.; RYGL, K. L. J.; SCHISANO, E.; TESTI, L.; TRAFICANTE, A. The Forgotten Quadrant Survey: (CO)-C-12 and (CO)-C-13 (1-0) survey of the Galactic plane in the range 220 degrees < l < 240 degrees-2.degrees 5 < b < 0 degrees. Astronomy & Astrophysics, v. 633, JAN 23 2020. Web of Science Citations: 0.
BEAKLINI, PEDRO P. B.; MENDOZA, EDGAR; CANELO, CARLA M.; ALEMAN, ISABEL; MERELLO, MANUEL; KONG, SHUO; NAVARETE, FELIPE; JANOT-PACHECO, EDUARDO; ABRAHAM, ZULEMA; LEPINE, JACQUES R. D.; DE ALMEIDA, AMAURY A.; FRIACA, AMANCIO C. S. Sulphur-bearing and complex organic molecules in an infrared cold core. Monthly Notices of the Royal Astronomical Society, v. 491, n. 1, p. 427-439, JAN 2020. Web of Science Citations: 0.
MERELLO, M.; MOLINARI, S.; RYGL, K. L. J.; EVANS, II, N. J.; ELIA, D.; SCHISANO, E.; TRAFICANTE, A.; SHIRLEY, Y.; SVOBODA, B.; GOLDSMITH, P. F. Thermal balance and comparison of gas and dust properties of dense clumps in the Hi-GAL survey. Monthly Notices of the Royal Astronomical Society, v. 483, n. 4, p. 5355-5379, MAR 2019. Web of Science Citations: 2.
HERVIAS-CAIMAPO, CARLOS; MERELLO, MANUEL; BRONFMAN, LEONARDO; AKE-NYMAN, LARS; GARAY, GUIDO; LO, NADIA; EVANS, II, NEAL J.; LOPEZ-CALDERON, CRISTIAN; MENDOZA, EDGAR. ALMA Observations of the Massive Molecular Outflow G331.512-0.103. II. Physical Properties, Kinematics, and Geometry Modeling. ASTROPHYSICAL JOURNAL, v. 872, n. 2 FEB 20 2019. Web of Science Citations: 0.

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