Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium

Sarah S. Zeichner; José C. Aponte; Surjyendu Bhattacharjee; Guannan Dong; Amy E. Hofmann; Jason P. Dworkin; Daniel P. Glavin; Jamie E. Elsila; Heather V. Graham; Hiroshi Naraoka; Yoshinori Takano; Shogo Tachibana; Allison T. Karp; Kliti Grice; Alex I. Holman; Katherine H. Freeman; Hisayoshi Yurimoto; Tomoki Nakamura; Takaaki Noguchi; Ryuji Okazaki; Hikaru Yabuta; Kanako Sakamoto; Toru Yada; Masahiro Nishimura; Aiko Nakato; Akiko Miyazaki; Kasumi Yogata; Masanao Abe; Tatsuaki Okada; Tomohiro Usui; Makoto Yoshikawa; Takanao Saiki; Satoshi Tanaka; Fuyuto Terui; Satoru Nakazawa; Sei Ichiro Watanabe; Yuichi Tsuda; Kenji Hamase; Kazuhiko Fukushima; Dan Aoki; Minako Hashiguchi; Hajime Mita; Yoshito Chikaraishi; Naohiko Ohkouchi; Nanako O. Ogawa; Saburo Sakai; Eric T. Parker; Hannah L. McLain; Francois Regis Orthous-Daunay; Véronique Vuitton; Cédric Wolters; Philippe Schmitt-Kopplin; Norbert Hertkorn; Roland Thissen; Alexander Ruf; Junko Isa; Yasuhiro Oba; Toshiki Koga; Toshihiro Yoshimura; Daisuke Araoka; Haruna Sugahara; Aogu Furusho; Yoshihiro Furukawa; Junken Aoki; Kuniyuki Kano; Shin Ichiro M. Nomura; Kazunori Sasaki; Hajime Sato; Takaaki Yoshikawa; Satoru Tanaka; Mayu Morita; Morihiko Onose; Fumie Kabashima; Kosuke Fujishima; Tomoya Yamazaki; Yuki Kimura; John M. Eiler

doi:10.1126/science.adg6304

Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium

Sarah S. Zeichner, José C. Aponte, Surjyendu Bhattacharjee, Guannan Dong, Amy E. Hofmann, Jason P. Dworkin, Daniel P. Glavin, Jamie E. Elsila, Heather V. Graham, Hiroshi Naraoka, Yoshinori Takano, Shogo Tachibana, Allison T. Karp, Kliti Grice, Alex I. Holman, Katherine H. Freeman, Hisayoshi Yurimoto, Tomoki Nakamura, Takaaki Noguchi, Ryuji OkazakiHikaru Yabuta, Kanako Sakamoto, Toru Yada, Masahiro Nishimura, Aiko Nakato, Akiko Miyazaki, Kasumi Yogata, Masanao Abe, Tatsuaki Okada, Tomohiro Usui, Makoto Yoshikawa, Takanao Saiki, Satoshi Tanaka, Fuyuto Terui, Satoru Nakazawa, Sei Ichiro Watanabe, Yuichi Tsuda, Kenji Hamase, Kazuhiko Fukushima, Dan Aoki, Minako Hashiguchi, Hajime Mita, Yoshito Chikaraishi, Naohiko Ohkouchi, Nanako O. Ogawa, Saburo Sakai, Eric T. Parker, Hannah L. McLain, Francois Regis Orthous-Daunay, Véronique Vuitton, Cédric Wolters, Philippe Schmitt-Kopplin, Norbert Hertkorn, Roland Thissen, Alexander Ruf, Junko Isa, Yasuhiro Oba, Toshiki Koga, Toshihiro Yoshimura, Daisuke Araoka, Haruna Sugahara, Aogu Furusho, Yoshihiro Furukawa, Junken Aoki, Kuniyuki Kano, Shin Ichiro M. Nomura, Kazunori Sasaki, Hajime Sato, Takaaki Yoshikawa, Satoru Tanaka, Mayu Morita, Morihiko Onose, Fumie Kabashima, Kosuke Fujishima, Tomoya Yamazaki, Yuki Kimura, John M. Eiler

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Abstract

Polycyclic aromatic hydrocarbons (PAHs) contain ≲20% of the carbon in the interstellar medium. They are potentially produced in circumstellar environments (at temperatures ≳1000 kelvin), by reactions within cold (~10 kelvin) interstellar clouds, or by processing of carbon-rich dust grains. We report isotopic properties of PAHs extracted from samples of the asteroid Ryugu and the meteorite Murchison. The doubly-¹³C substituted compositions (D2×¹³C values) of the PAHs naphthalene, fluoranthene, and pyrene are 9 to 51% higher than values expected for a stochastic distribution of isotopes. The D2×¹³C values are higher than expected if the PAHs formed in a circumstellar environment, but consistent with formation in the interstellar medium. By contrast, the PAHs phenanthrene and anthracene in Ryugu samples have D2×¹³C values consistent with formation by higher-temperature reactions.

Original language	English
Pages (from-to)	1411-1416
Number of pages	6
Journal	Science
Volume	382
Issue number	6677
DOIs	https://doi.org/10.1126/science.adg6304
State	Published - 1 Dec 2023

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Zeichner, S. S., Aponte, J. C., Bhattacharjee, S., Dong, G., Hofmann, A. E., Dworkin, J. P., Glavin, D. P., Elsila, J. E., Graham, H. V., Naraoka, H., Takano, Y., Tachibana, S., Karp, A. T., Grice, K., Holman, A. I., Freeman, K. H., Yurimoto, H., Nakamura, T., Noguchi, T., ... Eiler, J. M. (2023). Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium. Science, 382(6677), 1411-1416. https://doi.org/10.1126/science.adg6304

@article{87539bbd5bed4f5a8b17c4cae8c7b51d,

title = "Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium",

abstract = "Polycyclic aromatic hydrocarbons (PAHs) contain ≲20% of the carbon in the interstellar medium. They are potentially produced in circumstellar environments (at temperatures ≳1000 kelvin), by reactions within cold (~10 kelvin) interstellar clouds, or by processing of carbon-rich dust grains. We report isotopic properties of PAHs extracted from samples of the asteroid Ryugu and the meteorite Murchison. The doubly-13C substituted compositions (D2×13C values) of the PAHs naphthalene, fluoranthene, and pyrene are 9 to 51% higher than values expected for a stochastic distribution of isotopes. The D2×13C values are higher than expected if the PAHs formed in a circumstellar environment, but consistent with formation in the interstellar medium. By contrast, the PAHs phenanthrene and anthracene in Ryugu samples have D2×13C values consistent with formation by higher-temperature reactions.",

author = "Zeichner, {Sarah S.} and Aponte, {Jos{\'e} C.} and Surjyendu Bhattacharjee and Guannan Dong and Hofmann, {Amy E.} and Dworkin, {Jason P.} and Glavin, {Daniel P.} and Elsila, {Jamie E.} and Graham, {Heather V.} and Hiroshi Naraoka and Yoshinori Takano and Shogo Tachibana and Karp, {Allison T.} and Kliti Grice and Holman, {Alex I.} and Freeman, {Katherine H.} and Hisayoshi Yurimoto and Tomoki Nakamura and Takaaki Noguchi and Ryuji Okazaki and Hikaru Yabuta and Kanako Sakamoto and Toru Yada and Masahiro Nishimura and Aiko Nakato and Akiko Miyazaki and Kasumi Yogata and Masanao Abe and Tatsuaki Okada and Tomohiro Usui and Makoto Yoshikawa and Takanao Saiki and Satoshi Tanaka and Fuyuto Terui and Satoru Nakazawa and Watanabe, {Sei Ichiro} and Yuichi Tsuda and Kenji Hamase and Kazuhiko Fukushima and Dan Aoki and Minako Hashiguchi and Hajime Mita and Yoshito Chikaraishi and Naohiko Ohkouchi and Ogawa, {Nanako O.} and Saburo Sakai and Parker, {Eric T.} and McLain, {Hannah L.} and Orthous-Daunay, {Francois Regis} and V{\'e}ronique Vuitton and C{\'e}dric Wolters and Philippe Schmitt-Kopplin and Norbert Hertkorn and Roland Thissen and Alexander Ruf and Junko Isa and Yasuhiro Oba and Toshiki Koga and Toshihiro Yoshimura and Daisuke Araoka and Haruna Sugahara and Aogu Furusho and Yoshihiro Furukawa and Junken Aoki and Kuniyuki Kano and Nomura, {Shin Ichiro M.} and Kazunori Sasaki and Hajime Sato and Takaaki Yoshikawa and Satoru Tanaka and Mayu Morita and Morihiko Onose and Fumie Kabashima and Kosuke Fujishima and Tomoya Yamazaki and Yuki Kimura and Eiler, {John M.}",

year = "2023",

month = dec,

day = "1",

doi = "10.1126/science.adg6304",

language = "English",

volume = "382",

pages = "1411--1416",

journal = "Science",

issn = "0036-8075",

publisher = "American Association for the Advancement of Science",

number = "6677",

}

Zeichner, SS, Aponte, JC, Bhattacharjee, S, Dong, G, Hofmann, AE, Dworkin, JP, Glavin, DP, Elsila, JE, Graham, HV, Naraoka, H, Takano, Y, Tachibana, S, Karp, AT, Grice, K, Holman, AI, Freeman, KH, Yurimoto, H, Nakamura, T, Noguchi, T, Okazaki, R, Yabuta, H, Sakamoto, K, Yada, T, Nishimura, M, Nakato, A, Miyazaki, A, Yogata, K, Abe, M, Okada, T, Usui, T, Yoshikawa, M, Saiki, T, Tanaka, S, Terui, F, Nakazawa, S, Watanabe, SI, Tsuda, Y, Hamase, K, Fukushima, K, Aoki, D, Hashiguchi, M, Mita, H, Chikaraishi, Y, Ohkouchi, N, Ogawa, NO, Sakai, S, Parker, ET, McLain, HL, Orthous-Daunay, FR, Vuitton, V, Wolters, C, Schmitt-Kopplin, P, Hertkorn, N, Thissen, R, Ruf, A, Isa, J, Oba, Y, Koga, T, Yoshimura, T, Araoka, D, Sugahara, H, Furusho, A, Furukawa, Y, Aoki, J, Kano, K, Nomura, SIM, Sasaki, K, Sato, H, Yoshikawa, T, Tanaka, S, Morita, M, Onose, M, Kabashima, F, Fujishima, K, Yamazaki, T, Kimura, Y & Eiler, JM 2023, 'Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium', Science, vol. 382, no. 6677, pp. 1411-1416. https://doi.org/10.1126/science.adg6304

TY - JOUR

T1 - Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium

AU - Zeichner, Sarah S.

AU - Aponte, José C.

AU - Bhattacharjee, Surjyendu

AU - Dong, Guannan

AU - Hofmann, Amy E.

AU - Dworkin, Jason P.

AU - Glavin, Daniel P.

AU - Elsila, Jamie E.

AU - Graham, Heather V.

AU - Naraoka, Hiroshi

AU - Takano, Yoshinori

AU - Tachibana, Shogo

AU - Karp, Allison T.

AU - Grice, Kliti

AU - Holman, Alex I.

AU - Freeman, Katherine H.

AU - Yurimoto, Hisayoshi

AU - Nakamura, Tomoki

AU - Noguchi, Takaaki

AU - Okazaki, Ryuji

AU - Yabuta, Hikaru

AU - Sakamoto, Kanako

AU - Yada, Toru

AU - Nishimura, Masahiro

AU - Nakato, Aiko

AU - Miyazaki, Akiko

AU - Yogata, Kasumi

AU - Abe, Masanao

AU - Okada, Tatsuaki

AU - Usui, Tomohiro

AU - Yoshikawa, Makoto

AU - Saiki, Takanao

AU - Tanaka, Satoshi

AU - Terui, Fuyuto

AU - Nakazawa, Satoru

AU - Watanabe, Sei Ichiro

AU - Tsuda, Yuichi

AU - Hamase, Kenji

AU - Fukushima, Kazuhiko

AU - Aoki, Dan

AU - Hashiguchi, Minako

AU - Mita, Hajime

AU - Chikaraishi, Yoshito

AU - Ohkouchi, Naohiko

AU - Ogawa, Nanako O.

AU - Sakai, Saburo

AU - Parker, Eric T.

AU - McLain, Hannah L.

AU - Orthous-Daunay, Francois Regis

AU - Vuitton, Véronique

AU - Wolters, Cédric

AU - Schmitt-Kopplin, Philippe

AU - Hertkorn, Norbert

AU - Thissen, Roland

AU - Ruf, Alexander

AU - Isa, Junko

AU - Oba, Yasuhiro

AU - Koga, Toshiki

AU - Yoshimura, Toshihiro

AU - Araoka, Daisuke

AU - Sugahara, Haruna

AU - Furusho, Aogu

AU - Furukawa, Yoshihiro

AU - Aoki, Junken

AU - Kano, Kuniyuki

AU - Nomura, Shin Ichiro M.

AU - Sasaki, Kazunori

AU - Sato, Hajime

AU - Yoshikawa, Takaaki

AU - Tanaka, Satoru

AU - Morita, Mayu

AU - Onose, Morihiko

AU - Kabashima, Fumie

AU - Fujishima, Kosuke

AU - Yamazaki, Tomoya

AU - Kimura, Yuki

AU - Eiler, John M.

PY - 2023/12/1

Y1 - 2023/12/1

N2 - Polycyclic aromatic hydrocarbons (PAHs) contain ≲20% of the carbon in the interstellar medium. They are potentially produced in circumstellar environments (at temperatures ≳1000 kelvin), by reactions within cold (~10 kelvin) interstellar clouds, or by processing of carbon-rich dust grains. We report isotopic properties of PAHs extracted from samples of the asteroid Ryugu and the meteorite Murchison. The doubly-13C substituted compositions (D2×13C values) of the PAHs naphthalene, fluoranthene, and pyrene are 9 to 51% higher than values expected for a stochastic distribution of isotopes. The D2×13C values are higher than expected if the PAHs formed in a circumstellar environment, but consistent with formation in the interstellar medium. By contrast, the PAHs phenanthrene and anthracene in Ryugu samples have D2×13C values consistent with formation by higher-temperature reactions.

AB - Polycyclic aromatic hydrocarbons (PAHs) contain ≲20% of the carbon in the interstellar medium. They are potentially produced in circumstellar environments (at temperatures ≳1000 kelvin), by reactions within cold (~10 kelvin) interstellar clouds, or by processing of carbon-rich dust grains. We report isotopic properties of PAHs extracted from samples of the asteroid Ryugu and the meteorite Murchison. The doubly-13C substituted compositions (D2×13C values) of the PAHs naphthalene, fluoranthene, and pyrene are 9 to 51% higher than values expected for a stochastic distribution of isotopes. The D2×13C values are higher than expected if the PAHs formed in a circumstellar environment, but consistent with formation in the interstellar medium. By contrast, the PAHs phenanthrene and anthracene in Ryugu samples have D2×13C values consistent with formation by higher-temperature reactions.

UR - http://www.scopus.com/inward/record.url?scp=85180805344&partnerID=8YFLogxK

U2 - 10.1126/science.adg6304

DO - 10.1126/science.adg6304

M3 - Article

C2 - 38127762

AN - SCOPUS:85180805344

SN - 0036-8075

VL - 382

SP - 1411

EP - 1416

JO - Science

JF - Science

IS - 6677

ER -

Polycyclic aromatic hydrocarbons in samples of Ryugu formed in the interstellar medium

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