High-Time-Cadence Spectroscopy and Photometry of Stellar Flares on M-dwarf YZ Canis Minoris with Seimei Telescope and TESS. I. Discovery of Rapid and Short-Duration Prominence Eruptions

Authors: Kajikiya, Yuto, Namekata, Kosuke, Notsu, Yuta, Maehara, Hiroyuki, Sato, Bunei, Nogami, Daisaku

Subject Terms: Astrophysics - Solar and Stellar Astrophysics, Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2411.08462

The development of HISPEC for Keck and MODHIS for TMT: science cases and predicted sensitivities

Authors: Konopacky, Quinn M., Baker, Ashley D., Mawet, Dimitri, Fitzgerald, Michael P., Jovanovic, Nemanja, Beichman, Charles, Ruane, Garreth, Bertz, Rob, Terada, Hiroshi, Dekany, Richard, Lingvay, Larry, Kassis, Marc, Anderson, David, Tamura, Motohide, Benneke, Bjorn, Beatty, Thomas, Do, Tuan, Nishiyama, Shogo, Plavchan, Peter, Wang, Jason, Wang, Ji, Burgasser, Adam, Ruffio, Jean-Baptiste, Zhang, Huihao, Brown, Aaron, Fucik, Jason, Gibbs, Aidan, Gibson, Rose, Halverson, Sam, Johnson, Christopher, Karkar, Sonia, Kotani, Takayuki, Kress, Evan, Leifer, Stephanie, Magnone, Kenneth, Maire, Jerome, Pahuja, Rishi, Porter, Michael, Roberts, Mitsuko, Sappey, Ben, Thorne, Jim, Wang, Eric, Artigau, Etienne, Blake, Geoffrey A., Canalizo, Gabriela, Chen, Guo, Doppmann, Greg, Doyon, Rene, Dressing, Courtney, Fang, Min, Greene, Thomas, Herczeg, Greg, Hillenbrand, Lynne, Howard, Andrew, Kane, Stephen, Kataria, Tiffany, Kempton, Eliza, Knutson, Heather, Lafreniere, David, Liu, Chao, Metchev, Stanimir, Millar-Blanchaer, Max, Narita, Norio, Pandey, Gajendra, Rajaguru, S. P., Robertson, Paul, Salyk, Colette, Sato, Bunei, Schlawin, Evertt, Sengupta, Sujan, Sivarani, Thirupathi, Skidmore, Warren, Vasisht, Gautam, Yasui, Chikako, Zhang, Hui

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/2309.11050

Absence of extended atmospheres in low-mass star radius-gap planets GJ 9827 b, GJ 9827 d and TOI-1235 b

Authors: Krishnamurthy, Vigneshwaran, Hirano, Teruyuki, Gaidos, Eric, Sato, Bunei, Kopparapu, Ravi, Barclay, Thomas, Garcia-Sage, Katherine, Harakawa, Hiroki, Hodapp, Klaus, Jacobson, Shane, Konishi, Mihoko, Kotani, Takayuki, Kudo, Tomoyuki, Kurokawa, Takashi, Kuzuhara, Masayuki, Lopez, Eric, Nishikawa, Jun, Omiya, Masashi, Schlieder, Joshua E., Serizawa, Takuma, Tamura, Motohide, Ueda, Akitoshi, Vievard, Sebastien

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2302.01479

Non-detection of Helium in the upper atmospheres of TRAPPIST-1b, e and f

Authors: Krishnamurthy, Vigneshwaran, Hirano, Teruyuki, Stefánsson, Guðmundur, Ninan, Joe P., Mahadevan, Suvrath, Gaidos, Eric, Kopparapu, Ravi, Sato, Bunei, Hori, Yasunori, Bender, Chad F., Cañas, Caleb I., Diddams, Scott A., Halverson, Samuel, Harakawa, Hiroki, Hawley, Suzanne, Hearty, Fred, Hebb, Leslie, Hodapp, Klaus, Jacobson, Shane, Kanodia, Shubham, Konishi, Mihoko, Kotani, Takayuki, Kowalski, Adam, Kudo, Tomoyuki, Kurokawa, Takashi, Kuzuhara, Masayuki, Lin, Andrea, Maney, Marissa, Metcalf, Andrew J., Morris, Brett, Nishikawa, Jun, Omiya, Masashi, Robertson, Paul, Roy, Arpita, Schwab, Christian, Serizawa, Takuma, Tamura, Motohide, Ueda, Akitoshi, Vievard, Sébastien, Wisniewski, John

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/2106.11444

High-resolution Infrared Spectrograph for Exoplanet Characterization with the Keck and Thirty Meter Telescopes

Authors: Mawet, Dimitri, Fitzgerald, Michael, Konopacky, Quinn, Beichman, Charles, Jovanovic, Nemanja, Dekany, Richard, Hover, David, Chisholm, Eric, Ciardi, David, Artigau, Etienne, Banyal, Ravinder, Beatty, Thomas, Benneke, Bjorn, Blake, Geoffrey A., Burgasser, Adam, Canalizo, Gabriela, Chen, Guo, Do, Tuan, Doppmann, Greg, Doyon, Rene, Dressing, Courtney, Fang, Min, Greene, Thomas, Hillenbrand, Lynne, Howard, Andrew, Kane, Stephen, Kataria, Tiffany, Kempton, Eliza, Knutson, Heather, Kotani, Takayuki, Lafreniere, David, Liu, Chao, Nishiyama, Shogo, Pandey, Gajendra, Plavchan, Peter, Prato, Lisa, Rajaguru, S. P., Robertson, Paul, Salyk, Colette, Sato, Bunei, Schlawin, Everett, Sengupta, Sujan, Sivarani, Thirupathi, Skidmore, Warren, Tamura, Motohide, Terada, Hiroshi, Vasisht, Gautam, Wang, Ji, Zhang, Hui

Source: Astro2020 APC White Paper: Optical and Infrared Observations from the Ground

Subject Terms: Astrophysics - Instrumentation and Methods for Astrophysics, Astrophysics - Cosmology and Nongalactic Astrophysics, Astrophysics - Earth and Planetary Astrophysics, Astrophysics - Astrophysics of Galaxies, Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1908.03623

A Long-period Eccentric Substellar Companion to the Evovled Intermediate-Mass Star HD 14067

Authors: Wang, Liang, Sato, Bunei, Omiya, Masashi, Harakawa, Hiroki, Liu, Yujuan, Song, Nan, He, Wei, Wu, Xiaoshu, Izumiura, Hideyuki, Kambe, Eiji, Takeda, Yoichi, Yoshida, Michitoshi, Itoh, Yoichi, Ando, Hiroyasu, Kokubo, Eiichiro, Ida, Shigeru, Zhao, Gang

Subject Terms: Astrophysics - Solar and Stellar Astrophysics

Access URL: http://arxiv.org/abs/1409.6081

A Substellar Companion in a 1.3 yr Nearly-circular Orbit of HD 16760

Authors: Sato, Bunei, Fischer, Debra A., Ida, Shigeru, Harakawa, Hiroki, Omiya, Masashi, Johnson, John A., Marcy, Geoffrey W., Toyota, Eri, Hori, Yasunori, Isaacson, Howard, Howard, Andrew W., Peek, Kathryn M. G.

Subject Terms: Astrophysics - Earth and Planetary Astrophysics

Access URL: http://arxiv.org/abs/0907.5080

A Search for H-alpha Absorption in the Exosphere of the Transiting Extrasolar Planet HD 209458b

Authors: Winn, Joshua N., Suto, Yasushi, Turner, Edwin L., Narita, Norio, Frye, Brenda L., Aoki, Wako, Sato, Bunei, Yamada, Toru

Subject Terms: Astrophysics

Access URL: http://arxiv.org/abs/astro-ph/0404469

Absence of extended atmospheres in low-mass star radius-gap planets.

Authors: Krishnamurthy, Vigneshwaran^1,2,3, vigneshwaran.krishnamurthy@mcgill.ca, Hirano, Teruyuki^1,2, Gaidos, Eric⁴, Sato, Bunei⁵, Kopparapu, Ravi⁶, Barclay, Thomas^6,7, Garcia-Sage, Katherine⁸, Harakawa, Hiroki⁹, Hodapp, Klaus¹⁰, Jacobson, Shane¹⁰, Konishi, Mihoko¹¹, Kotani, Takayuki^1,2,12, Kudo, Tomoyuki⁹, Kurokawa, Takashi^1,13, Kuzuhara, Masayuki^1,2, Lopez, Eric⁶, Nishikawa, Jun^1,2,12, Omiya, Masashi^1,2, Schlieder, Joshua E⁶, Serizawa, Takuma^2,13

Source: Monthly Notices of the Royal Astronomical Society; May2023, Vol. 521 Issue 1, p1210-1220, 11p

Optical spectroscopic observations of a symbiotic star MWC 560 in the mass accumulation phase.

Authors: Ando, Kazuko¹, kazuko.ando02@gmail.com, Fukuda, Naoya¹, Sato, Bunei², Maehara, Hiroyuki³, Izumiura, Hideyuki³

Source: Publications of the Astronomical Society of Japan; Dec2021, Vol. 73 Issue 6, pL37-L41, 5p

Optical spectroscopic monitoring of the symbiotic star MWC 560 before and after the 2018 unpredicted brightening.

Authors: Ando, Kazuko¹, kazuko.ando02@gmail.com, Fukuda, Naoya¹, Akazawa, Hidehiko², Sato, Bunei³, Hasegawa, Ryo³, Koizumi, Yohei³, Omiya, Masashi⁴, Harakawa, Hiroki⁵, Kambe, Eiji⁵, Maehara, Hiroyuki⁶, Izumiura, Hideyuki⁶

Source: Publications of the Astronomical Society of Japan; Jun2021, Vol. 73 Issue 3, pL1-L5, 5p

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