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2024ApJ...975..198A - Astrophys. J., 975, 198 (2024/November-2)

Analysis of the Emission and Morphology of the Pulsar Wind Nebula Candidate HAWC J2031+415.

ALFARO R., ALVAREZ C., ARTEAGA-VELAZQUEZ J.C., AVILA ROJAS D., AYALA SOLARES H.A., BABU R., BELMONT-MORENO E., CABALLERO-MORA K.S., CAPISTRAN T., CARRAMINANA A., CASANOVA S., COTTI U., COTZOMI J., COUTINO DE LEON S., DE LA FUENTE E., DE LEON C., DEPAOLI D., DI LALLA N., DIAZ HERNANDEZ R., DINGUS B.L., DUVERNOIS M.A., DIAZ-VELEZ J.C., ENGEL K., ERGIN T., ESPINOZA C., FAN K.L., FRAIJA N., GARCIA-GONZALEZ J.A., GONZALEZ M.M., GOODMAN J.A., GROETSCH S., HARDING J.P., HERNANDEZ-CADENA S., HERZOG I., HUANG D., HUEYOTL-ZAHUANTITLA F., HUNTEMEYER P., IRIARTE A., KAUFMANN S., LEE J., LEON VARGAS H., LONGINOTTI A.L., LUIS-RAYA G., MALONE K., MARTINEZ-CASTRO J., MATTHEWS J.A., MIRANDA-ROMAGNOLI P., MONTES J.A., MORENO E., MOSTAFA M., NAJAFI M., NELLEN L., NEWBOLD M., NISA M.U., NORIEGA-PAPAQUI R., PEREZ ARAUJO Y., PEREZ-PEREZ E.G., RHO C.D., ROSA-GONZALEZ D., RUIZ-VELASCO E., SALAZAR H., SANDOVAL A., SALAZAR-GALLEGOS D., SCHNEIDER M., SERNA-FRANCO J., SMITH A.J., SON Y., SPRINGER R.W., TIBOLLA O., TOLLEFSON K., TORRES I., TORRES-ESCOBEDO R., TURNER R., URENA-MENA F., VARELA E., VILLASENOR L., WANG X., WANG Z., WATSON I.J., YU S., YUN-CARCAMO S., ZHOU H. (The HAWC Collaboration)

Abstract (from CDS):

The first TeV γ-ray source with no lower energy counterparts, TeV J2032+4130, was discovered by HEGRA. It appears in the third HAWC catalog as 3HWC J2031+415 and it is a bright TeV γ-ray source whose emission has previously been resolved as two sources: HAWC J2031+415 and HAWC J2030+409. While HAWC J2030+409 has since been associated with the Fermi Large Area Telescope Cygnus Cocoon, no such association for HAWC J2031+415 has yet been found. In this work, we investigate the spectrum and energy-dependent morphology of HAWC J2031+415. We associate HAWC J2031+415 with a γ-ray binary system containing the pulsar PSR J2032+4127 and its companion MT91 213. We study HAWC data to observe their periastron in 2017. Additionally, we perform a combined multiwavelength analysis using radio, X-ray, and γ-ray emission. We conclude that HAWC J2031+415 and, by extension, TeV J2032+4130 are most probably a pulsar wind nebula powered by PSR J2032+4127.

Abstract Copyright: © 2024. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Gamma-ray astronomy - Pulsar wind nebulae - Binary pulsars - Gamma-ray sources

Simbad objects: 10

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