HAWC J2227+610 and Its Association with G106.3+2.7, a New Potential Galactic PeVatron

被引：59

作者：

Albert, A. ^{[1
]}

Alfaro, R. ^{[2
]}

Alvarez, C. ^{[3
]}

Angeles Camacho, J. R. ^{[2
]}

Arteaga-Velazquez, J. C. ^{[4
]}

Arunbabu, K. P. ^{[5
]}

Avila Rojas, D. ^{[2
]}

Ayala Solares, H. A. ^{[6
]}

Baghmanyan, V ^{[7
]}

Belmont-Moreno, E. ^{[2
]}

BenZvi, S. Y. ^{[8
]}

Brisbois, C. ^{[9
]}

Caballero-Mora, K. S. ^{[3
]}

Capistran, T. ^{[10
]}

Carraminana, A. ^{[10
]}

Casanova, S. ^{[7
]}

Cotti, U. ^{[4
]}

Cotzomi, J. ^{[11
]}

Coutino de Leon, S. ^{[10
]}

De la Fuente, E. ^{[12
]}

Diaz-Cruz, L. ^{[11
]}

Dingus, B. L. ^{[1
]}

DuVernois, M. A. ^{[13
]}

Diaz-Velez, J. C. ^{[12
]}

Ellsworth, R. W. ^{[9
]}

Engel, K. ^{[9
]}

Espinoza, C. ^{[2
]}

Fan, K. L. ^{[9
]}

Fang, K. ^{[14
]}

Alonso, M. Fernandez ^{[6
]}

Fleischhack, H. ^{[15
]}

Fraija, N. ^{[16
]}

Galvan-Gamez, A. ^{[16
]}

Garcia, D. ^{[2
]}

Garcia-Gonzalez, J. A. ^{[2
]}

Garfias, F. ^{[16
]}

Giacinti, G. ^{[17
]}

Gonzalez, M. M. ^{[16
]}

Goodman, J. A. ^{[9
]}

Harding, J. P. ^{[1
]}

Hernandez, S. ^{[2
]}

Hinton, J. ^{[17
]}

Hona, B. ^{[15
]}

Huang, D. ^{[15
]}

Hueyotl-Zahuantitla, F. ^{[3
]}

Huntemeyer, P. ^{[15
]}

Iriarte, A. ^{[16
]}

Jardin-Blicq, A. ^{[17
]}

Joshi, V ^{[18
]}

Lee, W. H. ^{[16
]}

机构：

[1] Los Alamos Natl Lab, Phys Div, Los Alamos, NM 87545 USA

[2] Univ Nacl Autonoma Mexico, Inst Fis, Ciudad De Mexico, Mexico

[3] Univ Autonoma Chiapas, Tuxtla Gutierrez, Chiapas, Mexico

[4] Univ Michoacana, Morelia, Michoacan, Mexico

[5] Univ Nacl Autonoma Mexico, Inst Geofis, Ciudad De Mexico, Mexico

[6] Penn State Univ, Dept Phys, 104 Davey Lab, University Pk, PA 16802 USA

[7] Polish Acad Sci, Inst Nucl Phys, IFJ PAN, PL-31342 Krakow, Poland

[8] Univ Rochester, Dept Phys & Astron, Rochester, NY 14627 USA

[9] Univ Maryland, Dept Phys, College Pk, MD 20742 USA

[10] Inst Nacl Astrofis Opt & Electr, Puebla, Mexico

[11] Benemerita Univ Autonoma Puebla, Fac Ciencias Elsie Matemat, Puebla, Mexico

[12] Univ Guadalajara, Ctr Univ Ciencias Exactase Ingn, Dept Fis, Guadalajara, Jalisco, Mexico

[13] Univ Wisconsin, Dept Phys, 1150 Univ Ave, Madison, WI 53706 USA

[14] Stanford Univ, Dept Phys, Stanford, CA 94305 USA

[15] Michigan Technol Univ, Dept Phys, Houghton, MI 49931 USA

[16] Univ Nacl Autonoma Mexico, Inst Astron, Ciudad De Mexico, Mexico

[17] Max Planck Inst Nucl Phys, D-69117 Heidelberg, Germany

[18] Friedrich Alexander Univ Erlangen Nurnberg, Erlangen Ctr Astroparticle Phys, Erlangen, Germany

[19] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA

[20] Univ Politecn Pachuca, Pachuca, Hidalgo, Mexico

[21] Inst Politecn Nacl, Ctr Invest Comp, Mexico City, DF, Mexico

[22] Univ New Mexico, Dept Phys & Astron, Albuquerque, NM 87131 USA

[23] Univ Autonoma Estado Hidalgo, Pachuca, Hidalgo, Mexico

[24] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Ciudad De Mexico, Mexico

[25] Univ Utah, Dept Phys & Astron, Salt Lake City, UT USA

[26] Univ Seoul, Nat Sci Res Inst, Seoul, South Korea

[27] Univ Valencia, CSIC, Inst Fis Corpuscular, E-46980 Valencia, Spain

[28] Texas Tech Univ, Dept Phys & Astron, Lubbock, TX 79409 USA

[29] Calif Univ Penn, Dept Chem & Phys, California, PA USA

[30] Ctr Invest & Estudios Avanzados IPN, Phys Dept, Mexico City, DF, Mexico

[31] Shanghai Jiao Tong Univ, Tsung Dao Lee Inst, Shanghai, Peoples R China

[32] Shanghai Jiao Tong Univ, Sch Phys & Astron, Shanghai, Peoples R China

来源：

ASTROPHYSICAL JOURNAL LETTERS | 2020年 / 896卷 / 02期

基金：

美国国家科学基金会;

关键词：

Gamma-ray astronomy; Gamma-ray sources; Gamma-rays; Cosmic ray sources; Supernova remnants; Gamma-ray observatories; SUPERNOVA REMNANT; MOLECULAR CLOUDS; PULSAR; PLANE; ACCELERATION; ELECTRONS; RADIATION; EMISSION; FIELD; RAYS;

D O I：

10.3847/2041-8213/ab96cc

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the detection of very-high-energy gamma-ray emission above 100 TeV from HAWC J2227+610 with the High-Altitude Water Cherenov Gamma-Ray Observatory (HAWC) observatory. Combining our observations with previously published results by the Very Energetic Radiation Imaging Telescope Array System (VERTIAS), we interpret the gamma-ray emission from HAWC J2227+610 as emission from protons with a lower limit in their cutoff energy of 800 TeV. The most likely source of the protons is the associated supernova remnant G106.3+2.7, making it a good candidate for a Galactic PeVatron. However, a purely leptonic origin of the observed emission cannot be excluded at this time.

引用

页数：9

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