2021ApJ...923..241A


Query : 2021ApJ...923..241A

2021ApJ...923..241A - Astrophys. J., 923, 241-241 (2021/December-3)

Observation of the gamma-ray binary HESS J0632+057 with the H.E.S.S., MAGIC, and VERITAS telescopes.

ADAMS C.B., BENBOW W., BRILL A., BUCKLEY J.H., CAPASSO M., CHROMEY A.J., ERRANDO M., FALCONE A., FARRELL K.A., FENG Q., FINLEY J.P., FOOTE G.M., FORTSON L., FURNISS A., GENT A., GILLANDERS G.H., GIURI C., GUETA O., HANNA D., HASSAN T., HERVET O., HOLDER J., HONA B., HUMENSKY T.B., JIN W., KAARET P., KERTZMAN M., KIEDA D., KLEINER T.K., KRENNRICH F., KUMAR S., LANG M.J., LUNDY M., MAIER G., McGRATH C.E., MORIARTY P., MUKHERJEE R., NIETO D., NIEVAS-ROSILLO M., O'BRIEN S., ONG R.A., OTTE A.N., PARK N., PATEL S., PFRANG K., PICHEL A., POHL M., PRADO R.R., QUINN J., RAGAN K., REYNOLDS P.T., RIBEIRO D., ROACHE E., ROVERO A.C., RYAN J.L., SANTANDER M., SCHLENSTEDT S., SEMBROSKI G.H., SHANG R., TAK D., VASSILIEV V.V., WEINSTEIN A., WILLIAMS D.A., WILLIAMSON T.J. (The VERITAS Collaboration), ACCIARI V.A., ANSOLDI S., ANTONELLI L.A., ARBET ENGELS A., ARTERO M., ASANO K., BAACK D., BABIC A., BAQUERO A., BARRES DE ALMEIDA U., BARRIO J.A., BATKOVIC I., BECERRA GONZALEZ J., BEDNAREK W., BELLIZZI L., BERNARDINI E., BERNARDOS M., BERTI A., BESENRIEDER J., BHATTACHARYYA W., BIGONGIARI C., BILAND A., BLANCH O., BOKENKAMP H., BONNOLI G., BOSNJAK Z., BUSETTO G., CAROSI R., CERIBELLA G., CERRUTI M., CHAI Y., CHILINGARIAN A., CIKOTA S., COLAK S.M., COLOMBO E., CONTRERAS J.L., CORTINA J., COVINO S., D'AMICO G., D'ELIA V., DA VELA P., DAZZI F., DE ANGELIS A., DE LOTTO B., DELFINO M., DELGADO J., DELGADO MENDEZ C., DEPAOLI D., DI PIERRO F., DI VENERE L., DO SOUTO ESPINEIRA E., DOMINIS PRESTER D., DONINI A., DORNER D., DORO M., ELSAESSER D., FALLAH RAMAZANI V., FATTORINI A., FONSECA M.V., FONT L., FRUCK C., FUKAMI S., FUKAZAWA Y., GARCIA LOPEZ R.J., GARCZARCZYK M., GASPARYAN S., GAUG M., GIGLIETTO N., GIORDANO F., GLIWNY P., GODINOVIC N., GREEN J.G., GREEN D., HADASCH D., HAHN A., HECKMANN L., HERRERA J., HOANG J., HRUPEC D., HUTTEN M., INADA T., ISHIO K., IWAMURA Y., JIMENEZ MARTINEZ I., JORMANAINEN J., JOUVIN L., KARJALAINEN M., KERSZBERG D., KOBAYASHI Y., KUBO H., KUSHIDA J., LAMASTRA A., LELAS D., LEONE F., LINDFORS E., LINHOFF L., LOMBARDI S., LONGO F., LOPEZ-COTO R., LOPEZ-MOYA M., LOPEZ-ORAMAS A., LOPORCHIO S., MACHADO DE OLIVEIRA FRAGA B., MAGGIO C., MAJUMDAR P., MAKARIEV M., MALLAMACI M., MANEVA G., MANGANARO M., MANNHEIM K., MARASCHI L., MARIOTTI M., MARTINEZ M., MAZIN D., MENCHIARI S., MENDER S., MICANOVIC S., MICELI D., MIENER T., MIRANDA J.M., MIRZOYAN R., MOLINA E., MORALEJO A., MORCUENDE D., MORENO V., MORETTI E., NAKAMORI T., NAVA L., NEUSTROEV V., NIGRO C., NILSSON K., NISHIJIMA K., NODA K., NOZAKI S., OHTANI Y., OKA T., OTERO-SANTOS J., PAIANO S., PALATIELLO M., PANEQUE D., PAOLETTI R., PAREDES J.M., PAVLETIC L., PENIL P., PERSIC M., PIHET M., PRADA MORONI P.G., PRANDINI E., PRIYADARSHI C., PULJAK I., RHODE W., RIBO M., RICO J., RIGHI C., RUGLIANCICH A., SAHA L., SAHAKYAN N., SAITO T., SAKURAI S., SATALECKA K., SATURNI F.G., SCHLEICHER B., SCHMIDT K., SCHWEIZER T., SITAREK J., SNIDARIC I., SOBCZYNSKA D., SPOLON A., STAMERRA A., STRISKOVIC J., STROM D., STRZYS M., SUDA Y., SURIC T., TAKAHASHI M., TAKEISHI R., TAVECCHIO F., TEMNIKOV P., TERZIC T., TESHIMA M., TOSTI L., TRUZZI S., TUTONE A., UBACH S., VAN SCHERPENBERG J., VANZO G., VAZQUEZ ACOSTA M., VENTURA S., VERGUILOV V., VIGORITO C.F., VITALE V., VOVK I., WILL M., WUNDERLICH C., YAMAMOTO T., ZARIC D. (The MAGIC Collaboration), ABDALLA H., AHARONIAN F., AIT BENKHALI F., ANGUNER E.O., ARCARO C., ASHKAR H., BACKES M., BARBOSA MARTINS V., BARNARD M., BATZOFIN R., BECHERINI Y., BERGE D., BERNLOHR K., BI B., BOTTCHER M., BOISSON C., BOLMONT J., DE BONY DE LAVERGNE M., BREUHAUS M., BROSE R., BRUN F., BULIK T., CAROFF S., CASANOVA S., CHAND T., CHEN A., COTTER G., DAMASCENE MBARUBUCYEYE J., DEVIN J., DJANNATI-ATAI A., EGBERTS K., ERNENWEIN J.-P., FEGAN S., FIASSON A., FICHET DE CLAIRFONTAINE G., FONTAINE G., FUSSLING M., FUNK S., GABICI S., GIAVITTO G., GLAWION D., GLICENSTEIN J.F., GRONDIN M.-H., HINTON J.A., HOFMANN W., HOLCH T.L., HOLLER M., HORNS D., HUANG Z., JAMROZY M., JANKOWSKY F., JOSHI V., JUNG-RICHARDT I., KASAI E., KATARZYNSKI K., KHELIFI B., KOMIN N., KOSACK K., KOSTUNIN D., LE STUM S., LEMIERE A., LENAIN J.-P., LEUSCHNER F., LEVY C., LOHSE T., LUASHVILI A., LYPOVA I., MACKEY J., MAJUMDAR J., MALYSHEV D., MARANDON V., MARCHEGIANI P., MARCOWITH A., MARTI-DEVESA G., MARX R., MAURIN G., MEINTJES P.J., MITCHELL A., MODERSKI R., MOHRMANN L., MONTANARI A., MOULIN E., MULLER J., MURACH T., DE NAUROIS M., NAYERHODA A., NIEMIEC J., NOEL A.P., O'BRIEN P., OHM S., OLIVERA-NIETO L., DE ONA WILHELMI E., OSTROWSKI M., PANNY S., PANTER M., PARSONS R.D., PERON G., POIREAU V., PROKHOROV D.A., PROKOPH H., PUHLHOFER G., PUNCH M., QUIRRENBACH A., REICHHERZER P., REIMER A., REIMER O., RENAUD M., RIEGER F., ROMOLI C., ROWELL G., RUDAK B., RUEDA RICARTE H., RUIZ-VELASCO E., SAHAKIAN V., SAILER S., SALZMANN H., SANCHEZ D.A., SANTANGELO A., SASAKI M., SCHUTTE H.M., SCHWANKE U., SCHUSSLER F., SENNIAPPAN M., SHAPOPI J.N.S., SIMONI R., SOL H., SPECOVIUS A., SPENCER S., STEENKAMP R., STEINMASSL S., SUN L., TAKAHASHI T., TANAKA T., TERRIER R., TSUJI N., UCHIYAMA Y., VAN ELDIK C., VAN SOELEN B., VEH J., VENTER C., VINK J., WAGNER S.J., WHITE R., WIERZCHOLSKA A., WUN WONG Y., ZACHARIAS M., ZARGARYAN D., ZDZIARSKI A.A., ZECH A., ZHU S.J., ZOUARI S., ZYWUCKA N. (The HESS Collaboration), MORITANI Y. and TORRES D.F.

Abstract (from CDS):

The results of gamma-ray observations of the binary system HESS J0632 + 057 collected during 450 hr over 15 yr, between 2004 and 2019, are presented. Data taken with the atmospheric Cherenkov telescopes H.E.S.S., MAGIC, and VERITAS at energies above 350 GeV were used together with observations at X-ray energies obtained with Swift-XRT, Chandra, XMM-Newton, NuSTAR, and Suzaku. Some of these observations were accompanied by measurements of the Hα emission line. A significant detection of the modulation of the very high-energy gamma-ray fluxes with a period of 316.7 ± 4.4 days is reported, consistent with the period of 317.3 ± 0.7 days obtained with a refined analysis of X-ray data. The analysis of data from four orbital cycles with dense observational coverage reveals short-timescale variability, with flux-decay timescales of less than 20 days at very high energies. Flux variations observed over a timescale of several years indicate orbit-to-orbit variability. The analysis confirms the previously reported correlation of X-ray and gamma-ray emission from the system at very high significance, but cannot find any correlation of optical Hα parameters with fluxes at X-ray or gamma-ray energies in simultaneous observations. The key finding is that the emission of HESS J0632 + 057 in the X-ray and gamma-ray energy bands is highly variable on different timescales. The ratio of gamma-ray to X-ray flux shows the equality or even dominance of the gamma-ray energy range. This wealth of new data is interpreted taking into account the insufficient knowledge of the ephemeris of the system, and discussed in the context of results reported on other gamma-ray binary systems.

Abstract Copyright: © 2021. The Author(s). Published by the American Astronomical Society.

Journal keyword(s): High energy astrophysics - Gamma-ray sources - Binary stars

Simbad objects: 9

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Number of rows : 9
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 LS I +61 303 HXB 02 40 31.6644419688 +61 13 45.593918580 11.27 11.61 10.75 10.19 9.55 B0Ve 903 2
2 NAME Rosette Nebula HII 06 32 26.76 +04 47 37.1           ~ 522 1
3 HD 259440 HXB 06 32 59.2566076656 +05 48 01.160755848 9.17 9.63 9.15     B0pe 256 0
4 NAME MONOCEROS NEB SNR 06 38 43 +06 30.2           ~ 264 0
5 1FGL J1018.6-5856 HXB 10 18 55.5875706288 -58 56 45.975246900   13.638 12.683     O6V((f)) 156 0
6 CPD-63 2495 HXB 13 02 47.6544015048 -63 50 08.626970292 10.34 10.72 9.98 10.03   O9.5Ve 852 0
7 V* V479 Sct HXB 18 26 15.0561548880 -14 50 54.247274304 12.02 12.23 11.27 11.04   ON6V((f))z 613 2
8 2MASS J18324516-0921545 XB* 18 32 45.162 -09 21 54.55           ~ 37 0
9 [MT91] 213 Psr 20 32 13.1247390384 +41 27 24.346666440 13.12 13.08 11.266     B0Vp 334 0

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