The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region

The B-Fields In Star-Forming Regions Observations bistro Collaboration; Simon Coudé; Pierre Bastien; Martin Houde; Sarah Sadavoy; Rachel Friesen; James Di Francesco; Doug Johnstone; Steve Mairs; Tetsuo Hasegawa; Woojin Kwon; Shih Ping Lai; Keping Qiu; Derek Ward-Thompson; David Berry; Michael Chun Yuan Chen; Jason Fiege; Erica Franzmann; Jennifer Hatchell; Kevin Lacaille; Brenda C. Matthews; Gerald H. Moriarty-Schieven; Andy Pon; Philippe André; Doris Arzoumanian; Yusuke Aso; Do Young Byun; Chakali Eswaraiah; Huei Ru Chen; Wen Ping Chen; Tao Chung Ching; Jungyeon Cho; Minho Choi; Antonio Chrysostomou; Eun Jung Chung; Yasuo Doi; Emily Drabek-Maunder; C. Darren Dowell; Stewart P.S. Eyres; Sam Falle; Per Friberg; Gary Fuller; Ray S. Furuya; Tim Gledhill; Sarah F. Graves; Jane S. Greaves; Matt J. Griffin; Qilao Gu; Saeko S. Hayashi; Thiem Hoang; Wayne Holland; Tsuyoshi Inoue; Shu Ichiro Inutsuka; Kazunari Iwasaki; Il Gyo Jeong; Yoshihiro Kanamori; Akimasa Kataoka; Ji Hyun Kang; Miju Kang; Sung Ju Kang; Koji S. Kawabata; Francisca Kemper; Gwanjeong Kim; Jongsoo Kim; Kee Tae Kim; Kyoung Hee Kim; Mi Ryang Kim; Shinyoung Kim; Jason M. Kirk; Masato I.N. Kobayashi; Patrick M. Koch; Jungmi Kwon; Jeong Eun Lee; Chang Won Lee; Sang Sung Lee; Dalei Li; Di Li; Hua Bai Li; Hong Li Liu; Junhao Liu; Sheng Yuan Liu; Tie Liu; Sven Van Loo; A. Ran Lyo; Masafumi Matsumura; Tetsuya Nagata; Fumitaka Nakamura; Hiroyuki Nakanishi; Nagayoshi Ohashi; Takashi Onaka; Harriet Parsons; Kate Pattle; Nicolas Peretto; Tae Soo Pyo; Lei Qian; Ramprasad Rao; Mark G. Rawlings; Brendan Retter; John Richer; Andrew Rigby; Jean Francois Robitaille; Hiro Saito; Giorgio Savini; Anna M.M. Scaife; Masumichi Seta; Hiroko Shinnaga; Archana Soam; Motohide Tamura; Ya Wen Tang; Kohji Tomisaka; Yusuke Tsukamoto; Hongchi Wang; Jia Wei Wang; Anthony P. Whitworth; Hsi Wei Yen; Hyunju Yoo; Jinghua Yuan; Tetsuya Zenko; Chuan Peng Zhang; Guoyin Zhang; Jianjun Zhou; Lei Zhu

doi:10.3847/1538-4357/ab1b23

The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region

The B-Fields In Star-Forming Regions Observations bistro Collaboration, Simon Coudé, Pierre Bastien, Martin Houde, Sarah Sadavoy, Rachel Friesen, James Di Francesco, Doug Johnstone, Steve Mairs, Tetsuo Hasegawa, Woojin Kwon, Shih Ping Lai, Keping Qiu, Derek Ward-Thompson, David Berry, Michael Chun Yuan Chen, Jason Fiege, Erica Franzmann, Jennifer Hatchell, Kevin LacailleBrenda C. Matthews, Gerald H. Moriarty-Schieven, Andy Pon, Philippe André, Doris Arzoumanian, Yusuke Aso, Do Young Byun, Chakali Eswaraiah, Huei Ru Chen, Wen Ping Chen, Tao Chung Ching, Jungyeon Cho, Minho Choi, Antonio Chrysostomou, Eun Jung Chung, Yasuo Doi, Emily Drabek-Maunder, C. Darren Dowell, Stewart P.S. Eyres, Sam Falle, Per Friberg, Gary Fuller, Ray S. Furuya, Tim Gledhill, Sarah F. Graves, Jane S. Greaves, Matt J. Griffin, Qilao Gu, Saeko S. Hayashi, Thiem Hoang, Wayne Holland, Tsuyoshi Inoue, Shu Ichiro Inutsuka, Kazunari Iwasaki, Il Gyo Jeong, Yoshihiro Kanamori, Akimasa Kataoka, Ji Hyun Kang, Miju Kang, Sung Ju Kang, Koji S. Kawabata, Francisca Kemper, Gwanjeong Kim, Jongsoo Kim, Kee Tae Kim, Kyoung Hee Kim, Mi Ryang Kim, Shinyoung Kim, Jason M. Kirk, Masato I.N. Kobayashi, Patrick M. Koch, Jungmi Kwon, Jeong Eun Lee, Chang Won Lee, Sang Sung Lee, Dalei Li, Di Li, Hua Bai Li, Hong Li Liu, Junhao Liu, Sheng Yuan Liu, Tie Liu, Sven Van Loo, A. Ran Lyo, Masafumi Matsumura, Tetsuya Nagata, Fumitaka Nakamura, Hiroyuki Nakanishi, Nagayoshi Ohashi, Takashi Onaka, Harriet Parsons, Kate Pattle, Nicolas Peretto, Tae Soo Pyo, Lei Qian, Ramprasad Rao, Mark G. Rawlings, Brendan Retter, John Richer, Andrew Rigby, Jean Francois Robitaille, Hiro Saito, Giorgio Savini, Anna M.M. Scaife, Masumichi Seta, Hiroko Shinnaga, Archana Soam, Motohide Tamura, Ya Wen Tang, Kohji Tomisaka, Yusuke Tsukamoto, Hongchi Wang, Jia Wei Wang, Anthony P. Whitworth, Hsi Wei Yen, Hyunju Yoo, Jinghua Yuan, Tetsuya Zenko, Chuan Peng Zhang, Guoyin Zhang, Jianjun Zhou, Lei Zhu

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Abstract

We present the POL-2 850 μm linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations survey at the James Clerk Maxwell Telescope. We find a trend of decreasing polarization fraction as a function of total intensity, which we link to depolarization effects toward higher-density regions of the cloud. We then use the polarization data at 850 μm to infer the plane-of-sky orientation of the large-scale magnetic field in Barnard 1. This magnetic field runs north-south across most of the cloud, with the exception of B1-c, where it turns more east-west. From the dispersion of polarization angles, we calculate a turbulence correlation length of 5.0 ±2.″5 (1500 au) and a turbulent-to-total magnetic energy ratio of 0.5 ±0.3 inside the cloud. We combine this turbulent-to-total magnetic energy ratio with observations of NH₃ molecular lines from the Green Bank Ammonia Survey to estimate the strength of the plane-of-sky component of the magnetic field through the Davis-Chandrasekhar-Fermi method. With a plane-of-sky amplitude of 120 ±60 μG and a criticality criterion λ _c = 3.0 ±1.5, we find that Barnard 1 is a supercritical molecular cloud with a magnetic field nearly dominated by its turbulent component.

Original language	English
Article number	88
Journal	Astrophysical Journal
Volume	877
Issue number	2
Early online date	29 May 2019
DOIs	https://doi.org/10.3847/1538-4357/ab1b23
Publication status	Published - 1 Jun 2019

Keywords

ISM: clouds
ISM: individual objects (Barnard 1)
ISM: magnetic fields
polarization
stars: formation
submillimeter: ISM

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10.3847/1538-4357/ab1b23

Coudé_2019_ApJ_877_88Final published version, 1.83 MB

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B-Fields In Star-Forming Regions Observations bistro Collaboration, T., Coudé, S., Bastien, P., Houde, M., Sadavoy, S., Friesen, R., Francesco, J. D., Johnstone, D., Mairs, S., Hasegawa, T., Kwon, W., Lai, S. P., Qiu, K., Ward-Thompson, D., Berry, D., Chen, M. C. Y., Fiege, J., Franzmann, E., Hatchell, J., ... Zhu, L. (2019). The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region. Astrophysical Journal, 877(2), Article 88. https://doi.org/10.3847/1538-4357/ab1b23

@article{30439f23d39c4197949ddd89dcccd0e3,

title = "The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region",

abstract = "We present the POL-2 850 μm linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations survey at the James Clerk Maxwell Telescope. We find a trend of decreasing polarization fraction as a function of total intensity, which we link to depolarization effects toward higher-density regions of the cloud. We then use the polarization data at 850 μm to infer the plane-of-sky orientation of the large-scale magnetic field in Barnard 1. This magnetic field runs north-south across most of the cloud, with the exception of B1-c, where it turns more east-west. From the dispersion of polarization angles, we calculate a turbulence correlation length of 5.0 ±2.″5 (1500 au) and a turbulent-to-total magnetic energy ratio of 0.5 ±0.3 inside the cloud. We combine this turbulent-to-total magnetic energy ratio with observations of NH3 molecular lines from the Green Bank Ammonia Survey to estimate the strength of the plane-of-sky component of the magnetic field through the Davis-Chandrasekhar-Fermi method. With a plane-of-sky amplitude of 120 ±60 μG and a criticality criterion λ c = 3.0 ±1.5, we find that Barnard 1 is a supercritical molecular cloud with a magnetic field nearly dominated by its turbulent component.",

keywords = "ISM: clouds, ISM: individual objects (Barnard 1), ISM: magnetic fields, polarization, stars: formation, submillimeter: ISM",

author = "{B-Fields In Star-Forming Regions Observations bistro Collaboration}, The and Simon Coud{\'e} and Pierre Bastien and Martin Houde and Sarah Sadavoy and Rachel Friesen and Francesco, {James Di} and Doug Johnstone and Steve Mairs and Tetsuo Hasegawa and Woojin Kwon and Lai, {Shih Ping} and Keping Qiu and Derek Ward-Thompson and David Berry and Chen, {Michael Chun Yuan} and Jason Fiege and Erica Franzmann and Jennifer Hatchell and Kevin Lacaille and Matthews, {Brenda C.} and Moriarty-Schieven, {Gerald H.} and Andy Pon and Philippe Andr{\'e} and Doris Arzoumanian and Yusuke Aso and Byun, {Do Young} and Chakali Eswaraiah and Chen, {Huei Ru} and Chen, {Wen Ping} and Ching, {Tao Chung} and Jungyeon Cho and Minho Choi and Antonio Chrysostomou and Chung, {Eun Jung} and Yasuo Doi and Emily Drabek-Maunder and Dowell, {C. Darren} and Eyres, {Stewart P.S.} and Sam Falle and Per Friberg and Gary Fuller and Furuya, {Ray S.} and Tim Gledhill and Graves, {Sarah F.} and Greaves, {Jane S.} and Griffin, {Matt J.} and Qilao Gu and Hayashi, {Saeko S.} and Thiem Hoang and Wayne Holland and Tsuyoshi Inoue and Inutsuka, {Shu Ichiro} and Kazunari Iwasaki and Jeong, {Il Gyo} and Yoshihiro Kanamori and Akimasa Kataoka and Kang, {Ji Hyun} and Miju Kang and Kang, {Sung Ju} and Kawabata, {Koji S.} and Francisca Kemper and Gwanjeong Kim and Jongsoo Kim and Kim, {Kee Tae} and Kim, {Kyoung Hee} and Kim, {Mi Ryang} and Shinyoung Kim and Kirk, {Jason M.} and Kobayashi, {Masato I.N.} and Koch, {Patrick M.} and Jungmi Kwon and Lee, {Jeong Eun} and Lee, {Chang Won} and Lee, {Sang Sung} and Dalei Li and Di Li and Li, {Hua Bai} and Liu, {Hong Li} and Junhao Liu and Liu, {Sheng Yuan} and Tie Liu and Loo, {Sven Van} and Lyo, {A. Ran} and Masafumi Matsumura and Tetsuya Nagata and Fumitaka Nakamura and Hiroyuki Nakanishi and Nagayoshi Ohashi and Takashi Onaka and Harriet Parsons and Kate Pattle and Nicolas Peretto and Pyo, {Tae Soo} and Lei Qian and Ramprasad Rao and Rawlings, {Mark G.} and Brendan Retter and John Richer and Andrew Rigby and Robitaille, {Jean Francois} and Hiro Saito and Giorgio Savini and Scaife, {Anna M.M.} and Masumichi Seta and Hiroko Shinnaga and Archana Soam and Motohide Tamura and Tang, {Ya Wen} and Kohji Tomisaka and Yusuke Tsukamoto and Hongchi Wang and Wang, {Jia Wei} and Whitworth, {Anthony P.} and Yen, {Hsi Wei} and Hyunju Yoo and Jinghua Yuan and Tetsuya Zenko and Zhang, {Chuan Peng} and Guoyin Zhang and Jianjun Zhou and Lei Zhu",

year = "2019",

month = jun,

day = "1",

doi = "10.3847/1538-4357/ab1b23",

language = "English",

volume = "877",

journal = "Astrophysical Journal",

issn = "0004-637X",

publisher = "Institute of Physics Publishing, Inc",

number = "2",

}

B-Fields In Star-Forming Regions Observations bistro Collaboration, T, Coudé, S, Bastien, P, Houde, M, Sadavoy, S, Friesen, R, Francesco, JD, Johnstone, D, Mairs, S, Hasegawa, T, Kwon, W, Lai, SP, Qiu, K, Ward-Thompson, D, Berry, D, Chen, MCY, Fiege, J, Franzmann, E, Hatchell, J, Lacaille, K, Matthews, BC, Moriarty-Schieven, GH, Pon, A, André, P, Arzoumanian, D, Aso, Y, Byun, DY, Eswaraiah, C, Chen, HR, Chen, WP, Ching, TC, Cho, J, Choi, M, Chrysostomou, A, Chung, EJ, Doi, Y, Drabek-Maunder, E, Dowell, CD, Eyres, SPS, Falle, S, Friberg, P, Fuller, G, Furuya, RS, Gledhill, T, Graves, SF, Greaves, JS, Griffin, MJ, Gu, Q, Hayashi, SS, Hoang, T, Holland, W, Inoue, T, Inutsuka, SI, Iwasaki, K, Jeong, IG, Kanamori, Y, Kataoka, A, Kang, JH, Kang, M, Kang, SJ, Kawabata, KS, Kemper, F, Kim, G, Kim, J, Kim, KT, Kim, KH, Kim, MR, Kim, S, Kirk, JM, Kobayashi, MIN, Koch, PM, Kwon, J, Lee, JE, Lee, CW, Lee, SS, Li, D, Li, D, Li, HB, Liu, HL, Liu, J, Liu, SY, Liu, T, Loo, SV, Lyo, AR, Matsumura, M, Nagata, T, Nakamura, F, Nakanishi, H, Ohashi, N, Onaka, T, Parsons, H, Pattle, K, Peretto, N, Pyo, TS, Qian, L, Rao, R, Rawlings, MG, Retter, B, Richer, J, Rigby, A, Robitaille, JF, Saito, H, Savini, G, Scaife, AMM, Seta, M, Shinnaga, H, Soam, A, Tamura, M, Tang, YW, Tomisaka, K, Tsukamoto, Y, Wang, H, Wang, JW, Whitworth, AP, Yen, HW, Yoo, H, Yuan, J, Zenko, T, Zhang, CP, Zhang, G, Zhou, J & Zhu, L 2019, 'The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region', Astrophysical Journal, vol. 877, no. 2, 88. https://doi.org/10.3847/1538-4357/ab1b23

TY - JOUR

T1 - The JCMT BISTRO Survey

T2 - The Magnetic Field of the Barnard 1 Star-forming Region

AU - B-Fields In Star-Forming Regions Observations bistro Collaboration, The

AU - Coudé, Simon

AU - Bastien, Pierre

AU - Houde, Martin

AU - Sadavoy, Sarah

AU - Friesen, Rachel

AU - Francesco, James Di

AU - Johnstone, Doug

AU - Mairs, Steve

AU - Hasegawa, Tetsuo

AU - Kwon, Woojin

AU - Lai, Shih Ping

AU - Qiu, Keping

AU - Ward-Thompson, Derek

AU - Berry, David

AU - Chen, Michael Chun Yuan

AU - Fiege, Jason

AU - Franzmann, Erica

AU - Hatchell, Jennifer

AU - Lacaille, Kevin

AU - Matthews, Brenda C.

AU - Moriarty-Schieven, Gerald H.

AU - Pon, Andy

AU - André, Philippe

AU - Arzoumanian, Doris

AU - Aso, Yusuke

AU - Byun, Do Young

AU - Eswaraiah, Chakali

AU - Chen, Huei Ru

AU - Chen, Wen Ping

AU - Ching, Tao Chung

AU - Cho, Jungyeon

AU - Choi, Minho

AU - Chrysostomou, Antonio

AU - Chung, Eun Jung

AU - Doi, Yasuo

AU - Drabek-Maunder, Emily

AU - Dowell, C. Darren

AU - Eyres, Stewart P.S.

AU - Falle, Sam

AU - Friberg, Per

AU - Fuller, Gary

AU - Furuya, Ray S.

AU - Gledhill, Tim

AU - Graves, Sarah F.

AU - Greaves, Jane S.

AU - Griffin, Matt J.

AU - Gu, Qilao

AU - Hayashi, Saeko S.

AU - Hoang, Thiem

AU - Holland, Wayne

AU - Inoue, Tsuyoshi

AU - Inutsuka, Shu Ichiro

AU - Iwasaki, Kazunari

AU - Jeong, Il Gyo

AU - Kanamori, Yoshihiro

AU - Kataoka, Akimasa

AU - Kang, Ji Hyun

AU - Kang, Miju

AU - Kang, Sung Ju

AU - Kawabata, Koji S.

AU - Kemper, Francisca

AU - Kim, Gwanjeong

AU - Kim, Jongsoo

AU - Kim, Kee Tae

AU - Kim, Kyoung Hee

AU - Kim, Mi Ryang

AU - Kim, Shinyoung

AU - Kirk, Jason M.

AU - Kobayashi, Masato I.N.

AU - Koch, Patrick M.

AU - Kwon, Jungmi

AU - Lee, Jeong Eun

AU - Lee, Chang Won

AU - Lee, Sang Sung

AU - Li, Dalei

AU - Li, Di

AU - Li, Hua Bai

AU - Liu, Hong Li

AU - Liu, Junhao

AU - Liu, Sheng Yuan

AU - Liu, Tie

AU - Loo, Sven Van

AU - Lyo, A. Ran

AU - Matsumura, Masafumi

AU - Nagata, Tetsuya

AU - Nakamura, Fumitaka

AU - Nakanishi, Hiroyuki

AU - Ohashi, Nagayoshi

AU - Onaka, Takashi

AU - Parsons, Harriet

AU - Pattle, Kate

AU - Peretto, Nicolas

AU - Pyo, Tae Soo

AU - Qian, Lei

AU - Rao, Ramprasad

AU - Rawlings, Mark G.

AU - Retter, Brendan

AU - Richer, John

AU - Rigby, Andrew

AU - Robitaille, Jean Francois

AU - Saito, Hiro

AU - Savini, Giorgio

AU - Scaife, Anna M.M.

AU - Seta, Masumichi

AU - Shinnaga, Hiroko

AU - Soam, Archana

AU - Tamura, Motohide

AU - Tang, Ya Wen

AU - Tomisaka, Kohji

AU - Tsukamoto, Yusuke

AU - Wang, Hongchi

AU - Wang, Jia Wei

AU - Whitworth, Anthony P.

AU - Yen, Hsi Wei

AU - Yoo, Hyunju

AU - Yuan, Jinghua

AU - Zenko, Tetsuya

AU - Zhang, Chuan Peng

AU - Zhang, Guoyin

AU - Zhou, Jianjun

AU - Zhu, Lei

PY - 2019/6/1

Y1 - 2019/6/1

N2 - We present the POL-2 850 μm linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations survey at the James Clerk Maxwell Telescope. We find a trend of decreasing polarization fraction as a function of total intensity, which we link to depolarization effects toward higher-density regions of the cloud. We then use the polarization data at 850 μm to infer the plane-of-sky orientation of the large-scale magnetic field in Barnard 1. This magnetic field runs north-south across most of the cloud, with the exception of B1-c, where it turns more east-west. From the dispersion of polarization angles, we calculate a turbulence correlation length of 5.0 ±2.″5 (1500 au) and a turbulent-to-total magnetic energy ratio of 0.5 ±0.3 inside the cloud. We combine this turbulent-to-total magnetic energy ratio with observations of NH3 molecular lines from the Green Bank Ammonia Survey to estimate the strength of the plane-of-sky component of the magnetic field through the Davis-Chandrasekhar-Fermi method. With a plane-of-sky amplitude of 120 ±60 μG and a criticality criterion λ c = 3.0 ±1.5, we find that Barnard 1 is a supercritical molecular cloud with a magnetic field nearly dominated by its turbulent component.

AB - We present the POL-2 850 μm linear polarization map of the Barnard 1 clump in the Perseus molecular cloud complex from the B-fields In STar-forming Region Observations survey at the James Clerk Maxwell Telescope. We find a trend of decreasing polarization fraction as a function of total intensity, which we link to depolarization effects toward higher-density regions of the cloud. We then use the polarization data at 850 μm to infer the plane-of-sky orientation of the large-scale magnetic field in Barnard 1. This magnetic field runs north-south across most of the cloud, with the exception of B1-c, where it turns more east-west. From the dispersion of polarization angles, we calculate a turbulence correlation length of 5.0 ±2.″5 (1500 au) and a turbulent-to-total magnetic energy ratio of 0.5 ±0.3 inside the cloud. We combine this turbulent-to-total magnetic energy ratio with observations of NH3 molecular lines from the Green Bank Ammonia Survey to estimate the strength of the plane-of-sky component of the magnetic field through the Davis-Chandrasekhar-Fermi method. With a plane-of-sky amplitude of 120 ±60 μG and a criticality criterion λ c = 3.0 ±1.5, we find that Barnard 1 is a supercritical molecular cloud with a magnetic field nearly dominated by its turbulent component.

KW - ISM: clouds

KW - ISM: individual objects (Barnard 1)

KW - ISM: magnetic fields

KW - polarization

KW - stars: formation

KW - submillimeter: ISM

UR - http://www.scopus.com/inward/record.url?scp=85068818980&partnerID=8YFLogxK

U2 - 10.3847/1538-4357/ab1b23

DO - 10.3847/1538-4357/ab1b23

M3 - Article

AN - SCOPUS:85068818980

SN - 0004-637X

VL - 877

JO - Astrophysical Journal

JF - Astrophysical Journal

IS - 2

M1 - 88

ER -

The JCMT BISTRO Survey: The Magnetic Field of the Barnard 1 Star-forming Region

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