Key Science Goals for the Next-Generation Event Horizon Telescope

被引：22

作者：

Johnson, Michael D. ^{[1
,2
]}

Akiyama, Kazunori ^{[2
,3
,4
]}

Blackburn, Lindy ^{[1
,2
]}

Bouman, Katherine L. ^{[5
]}

Broderick, Avery E. ^{[6
,7
,8
]}

Cardoso, Vitor ^{[9
,10
]}

Fender, Rob P. ^{[11
,12
]}

Fromm, Christian M. ^{[13
,14
,15
]}

Galison, Peter ^{[2
,16
,17
]}

Gomez, Jose L. ^{[18
]}

Haggard, Daryl ^{[19
,20
]}

Lister, Matthew L. ^{[21
]}

Lobanov, Andrei P. ^{[15
]}

Markoff, Sera ^{[22
,23
]}

Narayan, Ramesh ^{[1
,2
]}

Natarajan, Priyamvada ^{[2
,24
,25
]}

Nichols, Tiffany ^{[26
]}

Pesce, Dominic W. ^{[1
,2
]}

Younsi, Ziri ^{[27
]}

Chael, Andrew ^{[28
]}

Chatterjee, Koushik ^{[1
,2
]}

Chaves, Ryan ^{[1
]}

Doboszewski, Juliusz ^{[2
,29
]}

Dodson, Richard ^{[30
]}

Doeleman, Sheperd S. ^{[1
,2
]}

Elder, Jamee ^{[2
,29
]}

Fitzpatrick, Garret ^{[1
]}

Haworth, Kari ^{[1
]}

Houston, Janice ^{[1
]}

Issaoun, Sara ^{[1
]}

Kovalev, Yuri Y. ^{[15
,31
,32
]}

Levis, Aviad ^{[5
]}

Lico, Rocco ^{[18
,33
]}

Marcoci, Alexandru ^{[34
]}

Martens, Niels C. M. ^{[29
,35
,36
]}

Nagar, Neil M. ^{[37
]}

Oppenheimer, Aaron ^{[1
]}

Palumbo, Daniel C. M. ^{[1
,2
]}

Ricarte, Angelo ^{[1
,2
]}

Rioja, Maria J. ^{[30
,38
,39
]}

Roelofs, Freek ^{[1
,2
,40
]}

Thresher, Ann C. ^{[41
]}

Tiede, Paul ^{[1
,2
]}

Weintroub, Jonathan ^{[1
,2
]}

Wielgus, Maciek ^{[15
]}

机构：

[1] Harvard & Smithsonian, Ctr Astrophys, 60 Garden St, Cambridge, MA 02138 USA

[2] Harvard Univ, Black Hole Initiat, 20 Garden St, Cambridge, MA 02138 USA

[3] Massachusetts Inst Technol Haystack Observ, 99 Millstone Rd, Westford, MA 01886 USA

[4] Natl Astron Observ Japan, 2-21-1 Osawa, Mitaka, Tokyo 1818588, Japan

[5] CALTECH, 1200 East Calif Blvd, Pasadena, CA 91125 USA

[6] Perimeter Inst Theoret Phys, 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada

[7] Univ Waterloo, Univ Ave West, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

[8] Univ Waterloo, Waterloo Ctr Astrophys, Waterloo, ON N2L 3G1, Canada

[9] Niels Bohr Int Acad, Niels Bohr Inst, Blegdamsvej 17, DK-2100 Copenhagen, Denmark

[10] Univ Lisbon, Inst Super Tecn IST, Fac Ciencias,Dept Fis, CENTRA, Campo Grande, MS, Portugal

[11] Univ Oxford, Dept Phys, Astrophys, Keble Rd, Oxford OX1 3RH, England

[12] Univ Cape Town, Dept Astron, Private Bag X3, ZA-7701 Rondebosch, South Africa

[13] Univ Wurzburg, Inst Theoret Phys & Astrophys, Emil Fischer Strasse 31, D-97074 Wurzburg, Germany

[14] Goethe Univ, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany

[15] Max Planck Inst Radioastron, Hugel 69, D-53121 Bonn, Germany

[16] Harvard Univ, Dept Hist Sci, Cambridge, MA 02138 USA

[17] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA

[18] Inst Astrofis Andalucia CSIC, Glorieta Astron S-N, E-18008 Granada, Spain

[19] McGill Univ, Dept Phys, 3600 Rue Univ, Montreal, PQ H3A 2T8, Canada

[20] Rue Univ, Trottier Space Inst McGill, 3550 Rue Univ, Montreal, PQ H3A 2A7, Canada

[21] Purdue Univ, Dept Phys & Astron, 525 Northwestern Ave, W Lafayette, IN 47907 USA

[22] Univ Amsterdam, Astron Inst Anton Pannekoek, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands

[23] Univ Amsterdam, Gravitat & Astroparticle Phys Amsterdam GRAPPA In, Sci Pk 904, NL-1098 XH Amsterdam, Netherlands

[24] Yale Univ, Dept Astron, 52 Hillhouse Ave, New Haven, CT 06511 USA

[25] Yale Univ, Dept Phys, POB 208121, New Haven, CT 06520 USA

[26] Princeton Univ, Dept Hist, Dickinson Hall, Princeton, NJ 08544 USA

[27] Univ Coll London, Mullard Space Sci Lab, Holmbury St Mary, Dorking RH5 6NT, Surrey, England

[28] Princeton Univ, Princeton Grav Initiat, Jadwin Hall, Princeton, NJ 08544 USA

[29] Univ Bonn, Lichtenberg Grp Hist & Philosophy Phys, D-53113 Bonn, Germany

[30] Univ Western Australia, ICRAR,M468, 35 Stirling Hwy, Crawley, WA 6009, Australia

[31] Russian Acad Sci, Lebedev Phys Inst, Leninsky Prospekt 53, Moscow 119991, Russia

[32] Moscow Inst Phys & Technol, Inst 9, Dolgoprudnyi 141700, Russia

[33] INAF Ist Radioastron, Via P Gobetti 101, I-40129 Bologna, Italy

[34] Univ Cambridge, Ctr Study Existential Risk, 16 Mill Lane, Cambridge CB2 1SB, England

[35] Univ Utrecht, Freudenthal Inst, NL-3584 CC Utrecht, Netherlands

[36] Univ Utrecht, Descartes Ctr Hist & Philosophy Sci & Human, NL-3584 CC Utrecht, Netherlands

[37] Univ Concepcion, Astron Dept, Casilla 160-C, Concepcion 4030000, Chile

[38] CSIRO Astron & Space Sci, POB 1130, Bentley, WA 6102, Australia

[39] Observatorio Astronomico Nacl IGN, Alfonso XII 3 & 5, Madrid 28014, Spain

[40] Radboud Univ Nijmegen, Inst Math Astrophys & Particle Phys IMAPP, Dept Astrophys, POB 9010, NL-6500 GL Nijmegen, Netherlands

[41] Stanford Univ, McCoy Family Ctr Eth, Stanford, CA 94305 USA

来源：

GALAXIES | 2023年 / 11卷 / 03期

基金：

美国国家科学基金会; 欧盟地平线“2020”; 欧洲研究理事会;

关键词：

black holes; general relativity; interferometry; accretion; relativistic jets; very-long-baseline interferometry; EHT; ngEHT; SGR-A-ASTERISK; ADVECTION-DOMINATED ACCRETION; SUPERMASSIVE BLACK-HOLES; ACTIVE GALACTIC NUCLEI; RELATIVISTIC JETS; GRMHD SIMULATIONS; VLBI OBSERVATIONS; FARADAY-ROTATION; PHOTON ORBITS; RADIO;

D O I：

10.3390/galaxies11030061

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Event Horizon Telescope (EHT) has led to the first images of a supermassive black hole, revealing the central compact objects in the elliptical galaxy M87 and the Milky Way. Proposed upgrades to this array through the next-generation EHT (ngEHT) program would sharply improve the angular resolution, dynamic range, and temporal coverage of the existing EHT observations. These improvements will uniquely enable a wealth of transformative new discoveries related to black hole science, extending from event-horizon-scale studies of strong gravity to studies of explosive transients to the cosmological growth and influence of supermassive black holes. Here, we present the key science goals for the ngEHT and their associated instrument requirements, both of which have been formulated through a multi-year international effort involving hundreds of scientists worldwide.

引用

页数：38

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