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2025ApJ...981..131A - Astrophys. J., 981, 131 (2025/March-2)

Search for Neutrino Emission from Hard X-Ray AGN with IceCube.

ABBASI R., ACKERMANN M., ADAMS J., AGARWALLA S.K., AGUILAR J.A., AHLERS M., ALAMEDDINE J.M., AMIN N.M., ANDEEN K., ARGUELLES C., ASHIDA Y., ATHANASIADOU S., AUSBORM L., AXANI S.N., BAI X., BALAGOPAL V.A., BARICEVIC M., BARWICK S.W., BASH S., BASU V., BAY R., BEATTY J.J., BECKER TJUS J., BEISE J., BELLENGHI C., BENNING C., BENZVI S., BERLEY D., BERNARDINI E., BESSON D.Z., BLAUFUSS E., BLOOM L., BLOT S., BONTEMPO F., BOOK MOTZKIN J.Y., BOSCOLO MENEGUOLO C., BOSER S., BOTNER O., BOTTCHER J., BRAUN J., BRINSON B., BROSTEAN-KAISER J., BRUSA L., BURLEY R.T., BUTTERFIELD D., CAMPANA M.A., CARACAS I., CARLONI K., CARPIO J., CHATTOPADHYAY S., CHAU N., CHEN Z., CHIRKIN D., CHOI S., CLARK B.A., COLEMAN A., COLLIN G.H., CONNOLLY A., CONRAD J.M., COPPIN P., CORLEY R., CORREA P., COWEN D.F., DAVE P., DE CLERCQ C., DELAUNAY J.J., DELGADO D., DENG S., DESAI A., DESIATI P., DE VRIES K.D., DE WASSEIGE G., DEYOUNG T., DIAZ A., DIAZ-VELEZ J.C., DIERICHS P., DITTMER M., DOMI A., DRAPER L., DUJMOVIC H., DUTTA K., DUVERNOIS M.A., EHRHARDT T., EIDENSCHINK L., EIMER A., ELLER P., ELLINGER E., EL MENTAWI S., ELSASSER D., ENGEL R., ERPENBECK H., EVANS J., EVENSON P.A., FAN K.L., FANG K., FARRAG K., FAZELY A.R., FEDYNITCH A., FEIGL N., FIEDLSCHUSTER S., FINLEY C., FISCHER L., FOX D., FRANCKOWIAK A., FUKAMI S., FURST P., GALLAGHER J., GANSTER E., GARCIA A., GARCIA M., GARG G., GENTON E., GERHARDT L., GHADIMI A., GIRARD-CARILLO C., GLASER C., GLUSENKAMP T., GONZALEZ J.G., GOSWAMI S., GRANADOS A., GRANT D., GRAY S.J., GRIES O., GRIFFIN S., GRISWOLD S., GROTH K.M., GUNTHER C., GUTJAHR P., HA C., HAACK C., HALLGREN A., HALVE L., HALZEN F., HAMDAOUI H., HA MINH M., HANDT M., HANSON K., HARDIN J., HARNISCH A.A., HATCH P., HAUNGS A., HAUSSLER J., HELBING K., HELLRUNG J., HERMANNSGABNER J., HEUERMANN L., HEYER N., HICKFORD S., HIDVEGI A., HILL C., HILL G.C., HOFFMAN K.D., HORI S., HOSHINA K., HOSTERT M., HOU W., HUBER T., HULTQVIST K., HUNNEFELD M., HUSSAIN R., HYMON K., ISHIHARA A., IWAKIRI W., JACQUART M., JANIK O., JANSSON M., JAPARIDZE G.S., JEONG M., JIN M., JONES B.J.P., KAMP N., KANG D., KANG W., KANG X., KAPPES A., KAPPESSER D., KARDUM L., KARG T., KARL M., KARLE A., KATIL A., KATZ U., KAUER M., KELLEY J.L., KHANAL M., KHATEE ZATHUL A., KHEIRANDISH A., KIRYLUK J., KLEIN S.R., KOCHOCKI A., KOIRALA R., KOLANOSKI H., KONTRIMAS T., KOPKE L., KOPPER C., KOSKINEN D.J., KOUNDAL P., KOVACEVICH M., KOWALSKI M., KOZYNETS T., KRISHNAMOORTHI J., KRUISWIJK K., KRUPCZAK E., KUMAR A., KUN E., KURAHASHI N., LAD N., LAGUNAS GUALDA C., LAMOUREUX M., LARSON M.J., LATSEVA S., LAUBER F., LAZAR J.P., LEE J.W., LEONARD DEHOLTON K., LESZCZYNSKA A., LIAO J., LINCETTO M., LIU Y.T., LIUBARSKA M., LOHFINK E., LOVE C., LOZANO MARISCAL C.J., LU L., LUCARELLI F., LUSZCZAK W., LYU Y., MADSEN J., MAGNUS E., MAHN K.B.M., MAKINO Y., MANAO E., MANCINA S., MARIE SAINTE W., MARIS I.C., MARKA S., MARKA Z., MARSEE M., MARTINEZ-SOLER I., MARUYAMA R., MAYHEW F., McNALLY F., MEAD J.V., MEAGHER K., MECHBAL S., MEDINA A., MEIER M., MERCKX Y., MERTEN L., MICALLEF J., MITCHELL J., MONTARULI T., MOORE R.W., MORII Y., MORSE R., MOULAI M., MUKHERJEE T., NAAB R., NAGAI R., NAKOS M., NAUMANN U., NECKER J., NEGI A., NESTE L., NEUMANN M., NIEDERHAUSEN H., NISA M.U., NODA K., NOELL A., NOVIKOV A., OBERTACKE POLLMANN A., O'DELL V., OEYEN B., OLIVAS A., ORSOE R., OSBORN J., O'SULLIVAN E., PANDYA H., PARK N., PARKER G.K., PAUDEL E.N., PAUL L., PEREZ DE LOS HEROS C., PERNICE T., PETERSON J., PHILIPPEN S., PIZZUTO A., PLUM M., PONTEN A., POPOVYCH Y., PRADO RODRIGUEZ M., PRIES B., PRIVON G.C., PROCTER-MURPHY R., PRZYBYLSKI G.T., RAAB C., RACK-HELLEIS J., RAVN M., RAWLINS K., RECHAV Z., REHMAN A., REICHHERZER P., RESCONI E., REUSCH S., RHODE W., RIEDEL B., RIFAIE A., ROBERTS E.J., ROBERTSON S., RODAN S., ROELLINGHOFF G., RONGEN M., ROSTED A., ROTT C., RUHE T., RUOHAN L., RYCKBOSCH D., SAFA I., SAFFER J., SALAZAR-GALLEGOS D., SAMPATHKUMAR P., SANDROCK A., SANTANDER M., SARKAR S., SARKAR S., SAVELBERG J., SAVINA P., SCHAILE P., SCHAUFEL M., SCHIELER H., SCHINDLER S., SCHLUTER B., SCHLUTER F., SCHMEISSER N., SCHMIDT T., SCHNEIDER J., SCHRODER F.G., SCHUMACHER L., SCLAFANI S., SECKEL D., SEIKH M., SEO M., SEUNARINE S., SEVLE MYHR P., SHAH R., SHEFALI S., SHIMIZU N., SILVA M., SKRZYPEK B., SMITHERS B., SNIHUR R., SOEDINGREKSO J., SEGAARD A., SOLDIN D., SOLDIN P., SOMMANI G., SPANNFELLNER C., SPICZAK G.M., SPIERING C., STAMATIKOS M., STANEV T., STEZELBERGER T., STURWALD T., STUTTARD T., SULLIVAN G.W., TABOADA I., TER-ANTONYAN S., TERLIUK A., THIESMEYER M., THOMPSON W.G., THWAITES J., TILAV S., TOLLEFSON K., TONNIS C., TOSCANO S., TOSI D., TRETTIN A., TURCOTTE R., TWAGIRAYEZU J.P., UNLAND ELORRIETA M.A., UPADHYAY A.K., UPSHAW K., VAIDYANATHAN A., VALTONEN-MATTILA N., VANDENBROUCKE J., VAN EIJNDHOVEN N., VANNEROM D., VAN SANTEN J., VARA J., VARSI F., VEITCH-MICHAELIS J., VENUGOPAL M., VEREECKEN M., VERPOEST S., VESKE D., VIJAI A., WALCK C., WANG A., WEAVER C., WEIGEL P., WEINDL A., WELDERT J., WEN A.Y., WENDT C., WERTHEBACH J., WEYRAUCH M., WHITEHORN N., WIEBUSCH C.H., WILLIAMS D.R., WITTHAUS L., WOLF A., WOLF M., WREDE G., XU X.W., YANEZ J.P., YILDIZCI E., YOSHIDA S., YOUNG R., YU S., YUAN T., ZHANG Z., ZHELNIN P., ZILBERMAN P., ZIMMERMAN M. (The IceCube Collaboration)

Abstract (from CDS):

Active galactic nuclei (AGN) are promising candidate sources of high-energy astrophysical neutrinos, since they provide environments rich in matter and photon targets where cosmic-ray interactions may lead to the production of gamma rays and neutrinos. We searched for high-energy neutrino emission from AGN using the Swift-BAT Spectroscopic Survey catalog of hard X-ray sources and 12 yr of IceCube muon track data. First, upon performing a stacked search, no significant emission was found. Second, we searched for neutrinos from a list of 43 candidate sources and found an excess from the direction of two sources, the Seyfert galaxies NGC 1068 and NGC 4151. We observed NGC 1068 at flux ${\phi }_{{\nu }_{\mu }+{\bar{\nu }}_{\mu }}$ = $4.0{2}_{-1.52}^{+1.58}\times 1{0}^{-11}$ TeV–1 cm–2 s–1 normalized at 1 TeV, with a power-law spectral index γ = 3.10${}_{-0.22}^{+0.26}$, consistent with previous IceCube results. The observation of a neutrino excess from the direction of NGC 4151 is at a posttrial significance of 2.9σ. If interpreted as an astrophysical signal, the excess observed from NGC 4151 corresponds to a flux ${\phi }_{{\nu }_{\mu }+{\bar{\nu }}_{\mu }}$ = $1.5{1}_{-0.81}^{+0.99}\times 1{0}^{-11}$ TeV–1 cm–2 s–1 normalized at 1 TeV and γ = 2.83${}_{-0.28}^{+0.35}$.

Abstract Copyright: © 2025. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Neutrino astronomy - High energy astrophysics - Active galaxies - Seyfert galaxies

Simbad objects: 45

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