2026ApJ..1000L..37A


Query : 2026ApJ..1000L..37A

2026ApJ..1000L..37A - Astrophys. J., 1000, L37 (2026/April-1)

Evidence for Neutrino Emission from X-Ray Bright Seyfert Galaxies in the Southern Hemisphere Using Enhanced Starting Track Events with IceCube.

ABBASI R., ACKERMANN M., ADAMS J., AGARWALLA S.K., AGUILAR J.A., AHLERS M., ALAMEDDINE J.M., ALI S., AMIN N.M., ANDEEN K., ARGUELLES C., ASHIDA Y., ATHANASIADOU S., AXANI S.N., BABU R., BAI X., BAINES-HOLMES J., BALAGOPAL V.A., BARWICK S.W., BASH S., BASU V., BAY R., BEATTY J.J., BECKER TJUS J., BEHRENS P., BEISE J., BELLENGHI C., BENKEL S., BENZVI S., BERLEY D., BERNARDINI E., BESSON D.Z., BLAUFUSS E., BLOOM L., BLOT S., BODO I., BONTEMPO F., BOOK MOTZKIN J.Y., BOSCOLO MENEGUOLO C., BOSER S., BOTNER O., BOTTCHER J., BRAUN J., BRINSON B., BRISSON-TSAVOUSSIS Z., BURLEY R.T., BUTTERFIELD D., CAMPANA M.A., CARLONI K., CARPIO J., CHATTOPADHYAY S., CHAU N., CHEN Z., CHIRKIN D., CHOI S., CLARK B.A., COLEMAN P., COLLIN G.H., COLOMA BORJA D.A., CONNOLLY A., CONRAD J.M., COWEN D.F., DE CLERCQ C., DELAUNAY J.J., DELGADO D., DELMEULLE T., DENG S., DESIATI P., DE VRIES K.D., DE WASSEIGE G., DEYOUNG T., DIAZ-VELEZ J.C., DIKERBY S., DING T., DITTMER M., DOMI A., DRAPER L., DUESER L., DURNFORD D., DUTTA K., DUVERNOIS M.A., EHRHARDT T., EIDENSCHINK L., EIMER A., ELDRIDGE C., ELLER P., ELLINGER E., ELSASSER D., ENGEL R., ERPENBECK H., ESMAIL W., EULIG S., EVANS J., EVENSON P.A., FAN K.L., FANG K., FARRAG K., FAZELY A.R., FEDYNITCH A., FEIGL N., 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., GLASER C., GLUSENKAMP T., GONZALEZ J.G., GOSWAMI S., GRANADOS A., GRANT D., GRAY S.J., GRIFFIN S., GRISWOLD S., GROTH K.M., GUEVEL D., GUNTHER C., GUTJAHR P., HA C., HAACK C., HALLGREN A., HALVE L., HALZEN F., HAMACHER L., HA MINH M., HANDT M., HANSON K., HARDIN J., HARNISCH A.A., HATCH P., HAUNGS A., HAUSSLER J., HELBING K., HELLRUNG J., HENKE B., HENNIG L., HENNINGSEN F., HEUERMANN L., HEWETT R., HEYER N., HICKFORD S., HIDVEGI A., HILL C., HILL G.C., HMAID R., HOFFMAN K.D., HOOPER D., HORI S., HOSHINA K., HOSTERT M., HOU W., HRYWNIAK M., HUBER T., HULTQVIST K., HYMON K., ISHIHARA A., IWAKIRI W., JACQUART M., JAIN S., JANIK O., JANSSON M., JIN M., KAMP N., KANG D., KANG W., KAPPES A., KARDUM L., KARG T., KARL M., KARLE A., KATIL A., KAUER M., KELLEY J.L., KHANAL M., KHATEE ZATHUL A., KHEIRANDISH A., KIMKU H., KIRYLUK J., KLEIN C., KLEIN S.R., KOBAYASHI Y., KOCHOCKI A., KOIRALA R., KOLANOSKI H., KONTRIMAS T., KOPKE L., KOPPER C., KOSKINEN D.J., KOUNDAL P., KOWALSKI M., KOZYNETS T., KRAVKA A., KRIEGER N., KRISHNAMOORTHI J., KRISHNAN T., KRUISWIJK K., KRUPCZAK E., KUMAR A., KUN E., KURAHASHI N., LAD N., LAGUNAS GUALDA C., LALLEMENT ARNAUD L., LARSON M.J., LAUBER F., LAZAR J.P., LEONARD DEHOLTON K., LESZCZYNSKA A., LI C., LIAO J., LIN C., LIU Q.R., LIU Y.T., LIUBARSKA M., LOVE C., LU L., LUCARELLI F., LUSZCZAK W., LYU Y., MACDONALD M., MADSEN J., MAGNUS E., MAKINO Y., MANAO E., MANCINA S., MAND A., MARIS I.C., MARKA S., MARKA Z., MARTEN L., MARTINEZ-SOLER I., MARUYAMA R., MAURO J., MAYHEW F., McNALLY F., MEAGHER K., MECHBAL S., MEDINA A., MEIER M., MERCKX Y., MERTEN L., MITCHELL J., MOLCHANY L., MONDAL S., MONTARULI T., MOORE R.W., MORII Y., MOSBRUGGER A., MOULAI M., MOUSADI D., MOYAUX E., MUKHERJEE T., NAAB R., NAKOS M., NAUMANN U., NECKER J., NESTE L., NEUMANN M., NIEDERHAUSEN H., NISA M.U., NODA K., NOELL A., NOVIKOV A., OBERTACKE A., O'DELL V., OLIVAS A., ORSOE R., OSBORN J., O'SULLIVAN E., PALUSOVA V., PANDYA H., PARENTI A., PARK N., PARRISH V., PAUDEL E.N., PAUL L., PEREZ DE LOS HEROS C., PERNICE T., PETERSEN T.C., PETERSON J., PLUM M., PONTEN A., POOJYAM V., POPOVYCH Y., PRADO RODRIGUEZ M., PRIES B., MURPHY R.P.-, PRZYBYLSKI G.T., PYRAS L., RAAB C., RACK-HELLEIS J., RAD N., RAVN M., RAWLINS K., RECHAV Z., REHMAN A., REISTROFFER I., RESCONI E., REUSCH S., RHO C.D., RHODE W., RICCA L., RIEDEL B., RIFAIE A., ROBERTS E.J., RODAN S., RONGEN M., ROSTED A., ROTT C., RUHE T., RUOHAN L., RYCKBOSCH D., SAFFER J., SALAZAR-GALLEGOS D., SAMPATHKUMAR P., SANDROCK A., SANGER-JOHNSON G., SANTANDER M., SARKAR S., SCARNERA M., SCHAILE P., SCHAUFEL M., SCHIELER H., SCHINDLER S., SCHLICKMANN L., SCHLUTER B., SCHLUTER F., SCHMEISSER N., SCHMIDT T., SCHRODER F.G., SCHUMACHER L., SCHWIRN S., SCLAFANI S., SECKEL D., SEEN L., SEIKH M., SEUNARINE S., SEVLE MYHR P.A., SHAH R., SHAH S., SHEFALI S., SHIMIZU N., SKRZYPEK B., SNIHUR R., SOEDINGREKSO J., SOLDIN D., SOLDIN P., SOMMANI G., SPANNFELLNER C., SPICZAK G.M., SPIERING C., STACHURSKA J., STAMATIKOS M., STANEV T., STEZELBERGER T., STURWALD T., STUTTARD T., SULLIVAN G.W., TABOADA I., TER-ANTONYAN S., TERLIUK A., THAKURI A., THIESMEYER M., THOMPSON W.G., THWAITES J., TILAV S., TOLLEFSON K., TOSCANO S., TOSI D., TRETTIN A., UPADHYAY A.K., UPSHAW K., VAIDYANATHAN A., VALTONEN-MATTILA N., VALVERDE J., VANDENBROUCKE J., VAN EEDEN T., VAN EIJNDHOVEN N., VAN ROOTSELAAR L., VAN SANTEN J., VARA J., VARSI F., VENUGOPAL M., VEREECKEN M., VERGARA CARRASCO S., VERPOEST S., VESKE D., VIJAI A., VILLARREAL J., WALCK C., WANG A., WARRICK E.H.S., 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 M., WREDE G., XU X.W., YANEZ J.P., YAO Y., YILDIZCI E., YOSHIDA S., YOUNG R., YU F., YU S., YUAN T., YUN-CARCAMO S., ZANDER JUROWITZKI A., ZEGARELLI A., ZHANG S., ZHANG Z., ZHELNIN P. and ZILBERMAN P.

Abstract (from CDS):

IceCube recently reported the observation of TeV neutrinos from the nearby Seyfert galaxy NGC 1068, and the corresponding neutrino flux is significantly higher than the upper limit implied by observations of GeV-TeV gamma rays. This suggests that neutrinos are produced near the supermassive black hole, where the radiation density is high enough to obscure gamma rays. We use a set of muon neutrinos with interaction vertices inside the detector, which have good sensitivity to sources in the southern sky, from IceCube data recorded between 2011 and 2021. We then search for individual and collective neutrino signals from 14 Seyfert galaxies in the southern sky selected from the Swift Burst Alert Telescope AGN Spectroscopic Survey. Using the correlations between keV X-rays and TeV neutrinos predicted by disk-corona models, and assuming production characteristics similar to NGC 1068, a collective neutrino signal search reveals an excess of $6.{7}_{-3.2}^{+4.0}$ events, which is inconsistent with background expectations at the 3σ level of significance. In this Letter, we present new independent evidence that Seyfert galaxies contribute to the extragalactic flux of high-energy neutrinos.

Abstract Copyright: © 2026. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): Neutrino astronomy - Seyfert galaxies - Active galactic nuclei - X-ray active galactic nuclei

Simbad objects: 18

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Number of rows : 18
N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026
#notes
1 NGC 424 Sy1 01 11 27.6385025496 -38 05 00.421096524   13.76 14.12 12.38 12.8 ~ 346 1
2 M 77 Sy2 02 42 40.7091669408 -00 00 47.859690204 9.70 9.61 8.87 10.1 9.9 ~ 4897 2
3 Z 420-15 Sy2 04 53 25.7402917464 +04 03 41.809965948   15.0       ~ 144 0
4 MCG-05-23-016 Sy2 09 47 40.1332188528 -30 56 55.960779696   14.10 13.69 12.44   ~ 611 0
5 NGC 3081 Sy2 09 59 29.5437024336 -22 49 34.747341960   13.06 13.55 11.67 12.1 ~ 509 0
6 NGC 3079 Sy2 10 01 57.8789863992 +55 40 47.449758324 11.57 11.54 10.86     ~ 1476 3
7 NGC 3783 Sy1 11 39 01.7096819040 -37 44 19.009642992   12.46 13.43 11.33 12.1 ~ 1765 1
8 NGC 4151 Sy1 12 10 32.5759813872 +39 24 21.063527532   12.18 11.48     ~ 3938 2
9 NGC 4507 Sy2 12 35 36.6338976888 -39 54 33.710416272   12.95 13.54 11.70 12.4 ~ 532 1
10 NGC 4593 Sy1 12 39 39.4435107024 -05 20 39.034988448   13.95 13.15     ~ 1179 0
11 NGC 4945 Sy2 13 05 27.279 -49 28 04.44   9.31 14.40 7.55   ~ 1582 2
12 NAME Centaurus A BLL 13 25 27.61521044 -43 01 08.8050291   8.18 6.84 6.66   ~ 4774 3
13 IC 4329A Sy1 13 49 19.2601801224 -30 18 34.213815504   13.81 13.66 12.18 12.35 ~ 876 1
14 NAME Circinus Galaxy Sy2 14 13 09.906 -65 20 20.47   10.89 9.84 10.6 10.0 ~ 1331 1
15 NGC 5643 Sy2 14 32 40.778 -44 10 28.60   11.03 13.60 9.92 10.6 ~ 652 1
16 NGC 5728 Sy2 14 42 23.8918506576 -17 15 11.240783784   14.34 13.40     ~ 679 1
17 ESO 138-1 Sy2 16 51 20.2789606296 -59 14 04.184655576   14.35 13.63 13.02   ~ 162 0
18 NGC 7582 Sy2 23 18 23.60 -42 22 13.3 11.62 10.92 10.62     ~ 978 3

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