Program (Feb 6 - 8@NAOJ Mitaka + zoom)

“Black hole astrophysics with VLBI 2023” (Click here for the PDF version!) 

2023/2/22 updated

Invited talks (25min talk +5min Q&A)

Contributed talks (15min talk + 5min Q&A)

Poster flash talks (3min + Q&A)

Feb 6th

09:55-10:00 (5: on-site)

LOC announcement (Takuya Akahori)

10:00-10:10 (10: on-site)

Opening address (Motoki Kino)

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AGN (1) M87

Chair: Kazuhiro Hada

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10:10-10:30 (15+5: on-site)

Tomohisa Kawashima (Univ of Tokyo)

“Lense-Thirring Precessions in AGN jets”

10:30-11:00 (25+5: on-site)

Yuh Tsunetoe (Kyoto Univ)

“Polarized Radiative Transfer: Linking the Images and Magnetic Fields around Black Holes”

11:00-11:30  (25+5: zoom)

Rusen Lu (SHAO)

“A sharp view into the central engine of M87 at 3mm”

11:30-13:00 

GROUP PHOTO 

LUNCH

13:00-13:30 (25+5: on-site)

Jongho Park (KASI)

“The Magnetic Field Structure in the Jet Acceleration and Collimation Zone of M87”

13:30-13:50 (15+5: zoom)

Hyunwook Ro (Yonsei Univ/KASI)

“Transverse oscillations of the M87 jet revealed by KaVA observations: Superluminal wave   

propagation on the jet”

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AGN (2) Multi-wavelengths

Chair: Jeff Hodgson

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13:50-14:20 (25+5: on-site)

Kotaro Niinuma (Yamaguchi Univ)

“High energy blazar study by JVN and EAVN”

14:20-14:40 (15+5: on-site)

David Fernandez Gil (Sejong Univ)

“Exploring connections between the VLBI and optical morphology of AGNs and their host galaxies”

14:40-15:00 (15+5: on-site)

Takehiro Furukawa (Yamaguchi Univ)

“Blazar-like properties of high-redshift AGN J1430+4204 and J1510+5702”

15:00-15:30 TEA/COFFEE BREAK

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AGN (3) Multi-scale view of jets

Chair: Mieko Takamura 

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15:30-16:00 (25+5: zoom)

Kohei Kurahara (NAOJ)

“Radio emissions from galaxy cluster”

16:00-16:20 (15+5: on-site)

Naoki Isobe (ISAS/JAXA)

“ALMA investigation into the west hot spot of Pictor A”

16:20-16:40 (15+5: on-site)

Elika Prameswari Fariyanto (Univ Tokyo/NAOJ)

“The Jet Collimation Profile Analysis and Core Shift Measurement of M84”

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Poster session (1) Flash talks

Chair: Motoki Kino

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16:40-17:10 Flash talks and Q&A (3min each: zoom)

Yusuke Miyamoto (Fukui University of Technology)

“Development plan of Fukui 10-m antenna for radio astronomy”

Aika Oki (Univ of Tokyo/NAOJ)

“Digging in young jets to elucidate clusters evolution from an AGN survey with VERA”

Yutaro Kofuji (Univ of Tokyo/NAOJ)

“Wide-band VERA observation of Sgr A*”

Shoko Koyama (Niigata Univ)

“Study of Jet Collimation Profile in Mrk 501”

Hiroki Okino (Univ of Tokyo/NAOJ)

“Multi-frequency VLBI polarization studies toward the jet base of the quasar 3C 273 with HSA and GMVA+ALMA”

Akihiro Inoue (Univ of Tsukuba)

“General relativistic radiation-MHD simulations of super-Eddington accretion flows onto neutron stars: spin-up rate of ULX pulsars”

Mikiya Takahashi (Univ of Tsukuba)

“Time variation of the crescent shaped shadow and the measurement of the black hole spin in M87”

Feb 7th

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Galactic Center

Chair: Sascha Trippe

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09:30-10:00 (25+5: zoom)

Michael Johnson (CfA | Harvard & Smithsonian)

“Black Hole Shadows and Photon Rings: the Future of Experimental Relativity in the Galactic Center with VLBI”

10:00-10:20 (15+5: zoom)

Shan-Shan Zhao (SHAO)

“Impact of non-thermal electron radiation effects on image of Sgr A*”

10:20-10:40 (15+5: zoom)

Xiaopeng Cheng (KASI)

“EAVN observations toward Sgr A*: Time variation of the flux density and size at 43 GHz in 2019”

10:40-11:10 (25+5: zoom)

Sean Ressler (Univ. of Toronto)

”A Smorgasbord of Results from Wind-Fed Accretion onto Sagittarius A*”

11:10-11:30 (15+5: zoom)

Indu Kalpa Dihingia (Shanghai Jiao-Tong Univ)

“Temperature properties of accretion flow around Kerr black holes”

11:30-11:50 (15+5: zoom)

Hong-Xuan Jiang (Shanghai Jiao-Tong Univ)

“Numerical Simulations of Accretion Flows onto a Black Hole with Multiple Poloidal Magnetic Loops”

11:50-13:00 LUNCH

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Array development (1)

Chair: Hiroshi Nagai

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13:00-13:30 (25+5: on-site)

Kiyoaki Wajima (KASI)

“The East Asian VLBI Network as an explorer of AGN sciences”

13:30-13:50 (15+5: on-site)

Jeff Hodgson (Sejong Univ)

“The Mopra Mega Project”

13:50-14:20 (25+5: zoom)

BongWon Sohn (KASI)

“KVN at 230GHz”

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AGN (4) High m_dot sources

Chair: Tomohisa Kawashima

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14:20-14:40 (15+5: on-site)

Kunwoo Yi (Seoul Nat’l Univ)

“The spectral and polarimetric analysis towards the acceleration and collimation zone of FSRQ 1928+738”

14:40-15:00 (15+5: on-site)

Aoto Utsumi (Univ of Tsukuba) <- Cancel

“General relativistic radiation-MHD simulations of magnetically arrested supercritical disk around   Kerr-black hole”

15:00-15:30

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POSTER session (2)

@SLACK & Zoom breakout room

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AGN (5) Role of non-thermal emissions

Chair: Jongho Park

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15:30-16:00 (25+5: on-site)

Hiroshi Nagai (NAOJ)

“Radio View of Circumnuclear Region from Centimeter to Millimeter”

16:00-16:20 (15+5: on-site)

Susumu Inoue (Bunkyo Univ/RIKEN)

“Nonthermal processes in sub-parsec regions of radio-quiet active galactic nuclei”

16:20-16:40 (15+5: on-site)

Minchul Kam (Seoul Nat’l Univ)

“Probing the origin of Faraday rotation of 3C84 with KVN and VLBA”

16:40-17:10 (25+5: zoom)

Christian Fromm (Wurzburg Univ)

“Probing the non-thermal emission in M87”

Feb 8th

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Pulsars, magneters, and FRBs

Chair: Takuya Akahori

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09:30-10:00 (25+5: zoom)

Ue-Li Pen (ASIAA)

“Real-Time FRB VLBI localization”

10:00- 10:30 (25+5: zoom)

Teruaki Enoto (Kyoto Univ/RIKEN)

“X-ray and radio collaborations for studies of pulsars, magnetars, and fast radio bursts”

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Array development (2)

Chair: Hideyuki Kobayashi

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10:30- 11:00 (25+5: on-site)

Kazuhiro Takefuji (JAXA Usuda)

“Low frequency VLBI towards FRB detection”

11:00- 11:30  (25+5: zoom)

Bo Zhang (SHAO)

“VLBI with FAST”

11:30-11:40  (10: on-site)

Concluding remark (Tomohisa Kawashima)

SOC

Motoki Kino (Kogakuin Univ/NAOJ, chair), Tomohisa Kawashima (Univ. of Tokyo ICRR, Co-Chair), Kazuhiro Hada (NAOJ), and Takuya Akahori (NAOJ/SKAO)

LOC

Takuya Akahori (NAOJ/SKAO, chair), Elika Prameswari Fariyanto (Univ. of Tokyo/NAOJ), Marie Katsukawa (NAOJ), Akiyo Komori (NAOJ), Kohei Kurahara (NAOJ), Aika Oki (Univ. of Tokyo/NAOJ), and Hiroki Okino (Univ. of Tokyo/NAOJ)