Search Results - "Le, Huynh Anh N"

Unraveling the Complex Structure of AGN-driven Outflows. VI. Strong Ionized Outflows in Type 1 AGNs and the Outflow Size–Luminosity Relation by Kim, Changseok, Woo, Jong-Hak, Luo, Rongxin, Chung, Aeree, Baek, Junhyun, N. Le, Huynh Anh, Son, Donghoon

“…Abstract We present spatially resolved gas kinematics, ionization, and energetics of 11 type 1 and 5 type 2 active galactic nuclei (AGNs) with strong ionized…”
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The Seoul National University AGN Monitoring Project. IV. Hα Reverberation Mapping of Six AGNs and the Hα Size–Luminosity Relation by Cho, Hojin, Woo, Jong-Hak, Wang, Shu, Son, Donghoon, Shin, Jaejin, Rakshit, Suvendu, Barth, Aaron J., Bennert, Vardha N., Gallo, Elena, Hodges-Kluck, Edmund, Treu, Tommaso, Bae, Hyun-Jin, Cho, Wanjin, Foord, Adi, Geum, Jaehyuk, Jadhav, Yashashree, Jeon, Yiseul, Kabasares, Kyle M., Kang, Daeun, Kang, Wonseok, Kim, Changseok, Kim, Donghwa, Kim, Minjin, Kim, Taewoo, N. Le, Huynh Anh, Malkan, Matthew A., Mandal, Amit Kumar, Park, Daeseong, Park, Songyoun, Sung, Hyun-il, U, Vivian, Williams, Peter R.

“…Abstract The broad-line region (BLR) size–luminosity relation has paramount importance for estimating the mass of black holes in active galactic nuclei (AGNs)…”
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The Fe ii/Mg ii Flux Ratio of Low-luminosity Quasars at z ∼ 3 by Shin, Jaejin, Nagao, Tohru, Woo, Jong-Hak, Le, Huynh Anh N.

“…The Fe ii/Mg ii line flux ratio has been used to investigate the chemical evolution of high-redshift active galactic nuclei (AGNs). No strong evolution has…”
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Calibration and Limitations of the Mg ii Line-based Black Hole Masses by Woo, Jong-Hak, Le, Huynh Anh N., Karouzos, Marios, Park, Dawoo, Park, Daeseong, Malkan, Matthew A., Treu, Tommaso, Bennert, Vardha N.

“…We present single-epoch black hole mass ( ) calibrations based on the rest-frame ultraviolet (UV) and optical measurements of Mg ii 2798 and Hβ 4861 lines and…”
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Calibrating Mg ii-based Black Hole Mass Estimators Using Low-to-high-luminosity Active Galactic Nuclei by Le, Huynh Anh N., Woo, Jong-Hak, Xue, Yongquan

“…We present single-epoch black hole mass (MBH) estimators based on the rest-frame ultraviolet (UV) Mg ii 2798 and optical Hβ 4861 emission lines. To enlarge the…”
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Comparison of the UV and Optical Fe ii Emission in Type 1 AGNs by Le, Huynh Anh N., Woo, Jong-Hak

“…We present the kinematical properties of the UV and optical Fe ii emission gas based on the velocity shift and line width measurements of a sample of 223 Type…”
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Active Galactic Nuclei and Star Formation in nearby Galaxies (AGNSTRONG). I. Sample and Strategy by Le, Huynh Anh N., Qin, Chen, Xue, Yongquan, Zhu, Shifu, N. Nguyen, Kim Ngan, Xia, Ruisong, Lin, Xiaozhi

“…Abstract We introduce our project, AGNSTRONG (Active Galactic Nuclei and STaR fOrmation in Nearby Galaxies). Our research goals encompass investigating the…”
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A 10,000-solar-mass black hole in the nucleus of a bulgeless dwarf galaxy by Woo, Jong-Hak, Cho, Hojin, Gallo, Elena, Hodges-Kluck, Edmund, Le, Huynh Anh N., Shin, Jaejin, Son, Donghoon, Horst, John C.

“…The motions of gas and stars in the nuclei of nearby galaxies have demonstrated that massive black holes are common1 and that their masses correlate with the…”
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[O iii] 5007 Å Emission Line Width as a Surrogate for σ ∗ in Type 1 AGNs? by Le, Huynh Anh N., Xue, Yongquan, Lin, Xiaozhi, Wang, Yijun

“…Abstract We present a study of the relation between the [O iii ] 5007 Å emission line width ( σ [O III ] ) and stellar velocity dispersion ( σ * ), utilizing a…”
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The Seoul National University AGN Monitoring Project. III. Hβ Lag Measurements of 32 Luminous Active Galactic Nuclei and the High-luminosity End of the Size–Luminosity Relation by Woo, Jong-Hak, Wang, Shu, Rakshit, Suvendu, Cho, Hojin, Son, Donghoon, Bennert, Vardha N., Gallo, Elena, Hodges-Kluck, Edmund, Treu, Tommaso, Barth, Aaron J., Cho, Wanjin, Foord, Adi, Geum, Jaehyuk, Guo, Hengxiao, Jadhav, Yashashree, Jeon, Yiseul, Kabasares, Kyle M., Kang, Won-Suk, Kim, Changseok, Kim, Minjin, Kim, Tae-Woo, Le, Huynh Anh N., Malkan, Matthew A., Mandal, Amit Kumar, Park, Daeseong, Spencer, Chance, Shin, Jaejin, Sung, Hyun-il, U, Vivian, Williams, Peter R., Yee, Nick

“…Abstract We present the main results from a long-term reverberation mapping campaign carried out for the Seoul National University AGN Monitoring Project…”
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IGRINS Slit-viewing Camera Software by Lee, Hye-In, Pak, Soojong, Mace, Gregory N., Kaplan, Kyle F., N. Le, Huynh Anh, Oh, Heeyoung, Park, Chan, Lee, Sungho

“…We have developed observation control software for the Immersion GRating INfrared Spectrometer (IGRINS) slit-viewing camera module, which maintains the…”
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Variability and the Size-Luminosity Relation of the Intermediate-mass AGN in NGC 4395 by Cho, Hojin, Woo, Jong-Hak, Hodges-Kluck, Edmund, Son, Donghoon, Shin, Jaejin, Gallo, Elena, Bae, Hyun-Jin, Brink, Thomas G., Cho, Wanjin, Filippenko, Alexei V., Horst, John C., Ili, Dragana, Joner, Michael. D., Kang, Daeun, Kang, Wonseok, Kaspi, Shai, Kim, Taewoo, Kova evi, Andjelka B., Kumar, Sahana, N. Le, Huynh Anh, Nadzhip, A. E., Pozo Nuñez, Francisco, Metlov, V. G., Oknyansky, V. L., Park, Songyoun, Popovi, Luka, Rakshit, Suvendu, Schramm, Malte, Shatsky, N. I., Spencer, Michelle, Sung, Eon-Chang, Sung, Hyun-il, Tatarnikov, A. M., Vince, Oliver

“…We present a variability study of the lowest-luminosity Seyfert 1 nucleus of the galaxy NGC 4395 based on photometric monitoring campaigns in 2017 and 2018…”
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X-Ray Spectral Variations of Synchrotron Peak in BL Lacs by Wang, Yijun, Zhu, Shifu, Xue, Yongquan, Gu, Minfeng, Weng, Shanshan, Le, Huynh Anh N.

“…The spectral energy distribution of blazars around the synchrotron peak can be well described by the log-parabolic model that has three parameters: peak energy…”
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The Seoul National University AGN Monitoring Project. II. BLR Size and Black Hole Mass of Two AGNs by Rakshit, Suvendu, Woo, Jong-Hak, Gallo, Elena, Hodges-Kluck, Edmund, Shin, Jaejin, Jeon, Yiseul, Bae, Hyun-Jin, Baldassare, Vivienne, Cho, Hojin, Cho, Wanjin, Foord, Adi, Kang, Daeun, Kang, Wonseok, Karouzos, Marios, Kim, Minjin, Kim, Taewoo, Le, Huynh Anh N., Park, Daeseong, Park, Songyoun, Son, Donghoon, Sung, Hyun-il, Bennert, Vardha N., Malkan, Matthew A.

“…Active galactic nuclei (AGNs) show a correlation between the size of the broad line region and the monochromatic continuum luminosity at 5100 , allowing black…”
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Ionized-gas Kinematics Along the Large-scale Radio Jets in Type-2 AGNs by Le, Huynh Anh N., Woo, Jong-Hak, Son, Donghoon, Karouzos, Marios, Chung, Aeree, Jung, Taehyun, Tremou, Evangelia, Hwang, Narae, Park, Byeong-Gon

“…To investigate the connection between radioactivity and active galactic nucleus (AGN) outflows, we present a study of ionized-gas kinematics based on an [O…”
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Photometric transformation from RGB Bayer filter system to Johnson–Cousins BVR filter system by Park, Woojin, Pak, Soojong, Shim, Hyunjin, Le, Huynh Anh N., Im, Myungshin, Chang, Seunghyuk, Yu, Joonkyu

“…The RGB Bayer filter system consists of a mosaic of R,G, and B filters on the grid of the photo sensors which typical commercial DSLR (Digital Single Lens…”
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Fluorescent H2 Emission Lines from the Reflection Nebula NGC 7023 Observed with IGRINS by Le, Huynh Anh N., Pak, Soojong, Kaplan, Kyle, Mace, Gregory, Lee, Sungho, Pavel, Michael, Jeong, Ueejeong, Oh, Heeyoung, Lee, Hye-In, Chun, Moo-Young, Yuk, In-Soo, Pyo, Tae-Soo, Hwang, Narae, Kim, Kang-Min, Park, Chan, Oh, Jae Sok, Yu, Young Sam, Park, Byeong-Gon, Minh, Young Chol, Jaffe, Daniel T.

“…We have analyzed the temperature, velocity, and density of H2 gas in NGC 7023 with a high-resolution near-infrared spectrum of the northwestern filament of the…”
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Exposure time calculator for Immersion Grating Infrared Spectrograph: IGRINS by Le, Huynh Anh N., Pak, Soojong, Jaffe, Daniel T., Kaplan, Kyle, Lee, Jae-Joon, Im, Myungshin, Seifahrt, Andreas

“…We present an exposure-time calculator (ETC) for the Immersion Grating Infrared Spectrograph (IGRINS). The signal and noise values are calculated by taking…”
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[OIII] 5007A Emission Line Width as a Surrogate for stellar dispersion in Type 1 AGNs? by Le, Huynh Anh N, Xue, Yongquan, Lin, Xiaozhi, Wang, Yijun

“…We present a study of the relation between the [OIII] 5007A emission line width (sigma_{[OIII]}) and stellar velocity dispersion (sigma_{*}), utilizing a…”
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AGN lifetimes in UV-selected galaxies: a clue to supermassive black hole-host galaxy coevolution by Lin, Xiaozhi, Xue, Yongquan, Fang, Guanwen, Fan, Lulu, Le, Huynh Anh N, Ayubinia, Ashraf

“…The coevolution between supermassive black holes (SMBHs) and their host galaxies has been proposed for more than a decade, albeit with little direct evidence…”
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