Personal information

No personal information available

Activities

Collapse all

Works (44)

The Young Ages of 70 μm Dark Clumps Inferred from Carbon Chain Chemistry

The Astrophysical Journal
2025-03-10 | Journal article
DOI: 10.3847/1538-4357/adabdd
Contributors: Kadin Worthen; Brian E. Svoboda; David S. Meier; Juergen Ott; Rachel Friesen; Jennifer Patience; Yancy Shirley
Source: check_circle
Crossref

Peculiar Dust Emission within the Orion Molecular Cloud

The Astrophysical Journal
2025-02-01 | Journal article
DOI: 10.3847/1538-4357/ad93c7
Contributors: Parisa Nozari; Sarah Sadavoy; Edwige Chapillon; Brian Mason; Rachel Friesen; Ian Lowe; Thomas Stanke; James Di Francesco; Thomas Henning; Qizhou Zhang et al.
Source: check_circle
Crossref

Filament Accretion and Fragmentation in the Perseus Molecular Cloud

The Astrophysical Journal
2024-12-01 | Journal article
DOI: 10.3847/1538-4357/ad88e8
Contributors: Michael Chun-Yuan Chen; James Di Francesco; Rachel K. Friesen; Jaime E. Pineda; Paola Caselli; Adam Ginsburg; Helen Kirk; Anna Punanova
Source: check_circle
Crossref

Filamentary mass accretion towards the high-mass protobinary system G11.92–0.61 MM2

Monthly Notices of the Royal Astronomical Society
2024-08-07 | Journal article
DOI: 10.1093/mnras/stae1844
Contributors: S Zhang; C J Cyganowski; J D Henshaw; C L Brogan; T R Hunter; R K Friesen; I A Bonnell; S Viti
Source: check_circle
Crossref

The Stability of Dense Cores near the Serpens South Protocluster

The Astrophysical Journal
2024-07-01 | Journal article
DOI: 10.3847/1538-4357/ad435b
Contributors: Rachel K. Friesen; Emma Jarvis
Source: check_circle
Crossref

The Initial Conditions of Clustered Core Collapse: Multiwavelength Analysis of Oph A SM1N and N6 at 100 au Resolution

The Astrophysical Journal
2024-04-01 | Journal article
DOI: 10.3847/1538-4357/ad2857
Contributors: Rachel K. Friesen; Tyler L. Bourke; Paola Caselli; James Di Francesco; Zhi-Yun Li; Jaime E. Pineda
Source: check_circle
Crossref

The Reservoir of the Per-emb-2 Streamer

The Astrophysical Journal
2024-04-01 | Journal article
DOI: 10.3847/1538-4357/ad2fa1
Contributors: Kotomi Taniguchi; Jaime E. Pineda; Paola Caselli; Tomomi Shimoikura; Rachel K. Friesen; Dominique M. Segura-Cox; Anika Schmiedeke
Source: check_circle
Crossref

On the Magnetic Field Properties of Protostellar Envelopes in Orion

The Astrophysical Journal Letters
2024-03-01 | Journal article
DOI: 10.3847/2041-8213/ad27d4
Contributors: Bo 博 Huang 黄; Josep M. Girart; Ian W. Stephens; Manuel Fernández López; Hector G. Arce; John M. Carpenter; Paulo Cortes; Erin G. Cox; Rachel Friesen; Valentin J. M. Le Gouellec et al.
Source: check_circle
Crossref

Deuterium fractionation in cold dense cores in the low-mass star-forming region L1688

Monthly Notices of the Royal Astronomical Society
2024-01-23 | Journal article
DOI: 10.1093/mnras/stae116
Contributors: I V Petrashkevich; A F Punanova; P Caselli; O Sipilä; J E Pineda; R K Friesen; M G Korotaeva; A I Vasyunin
Source: check_circle
Crossref

Turbulence and Accretion: A High-resolution Study of the B5 Filaments

The Astrophysical Journal
2022-08-01 | Journal article
DOI: 10.3847/1538-4357/ac7d4a
Contributors: Michael Chun-Yuan Chen; James Di Francesco; Jaime E. Pineda; Stella S. R. Offner; Rachel K. Friesen
Source: check_circle
Crossref

An Interferometric View of H-MM1. I. Direct Observation of NH3 Depletion

The Astronomical Journal
2022-06-01 | Journal article
DOI: 10.3847/1538-3881/ac6be7
Contributors: Jaime E. Pineda; Jorma Harju; Paola Caselli; Olli Sipilä; Mika Juvela; Charlotte Vastel; Erik Rosolowsky; Andreas Burkert; Rachel K. Friesen; Yancy Shirley et al.
Source: check_circle
Crossref

A Study of 90 GHz Dust Emissivity on Molecular Cloud and Filament Scales

The Astrophysical Journal
2022-04-01 | Journal article
DOI: 10.3847/1538-4357/ac5d4f
Contributors: Ian Lowe; Brian Mason; Tanay Bhandarkar; S. E. Clark; Mark Devlin; Simon R. Dicker; Shannon M. Duff; Rachel Friesen; Alvaro Hacar; Brandon Hensley et al.
Source: check_circle
Crossref

Are Massive Dense Clumps Truly Subvirial? A New Analysis Using Gould Belt Ammonia Data

The Astrophysical Journal
2021-11-01 | Journal article
DOI: 10.3847/1538-4357/ac20d2
Contributors: Ayushi Singh; Christopher D. Matzner; Rachel K. Friesen; Peter G. Martin; Jaime E. Pineda; Erik Rosolowsky; Felipe Alves; Ana Chacón-Tanarro; Hope How-Huan Chen; Michael Chun-Yuan Chen et al.
Source: check_circle
Crossref

Transition from coherent cores to surrounding cloud in L1688

Astronomy & Astrophysics
2021-04 | Journal article
DOI: 10.1051/0004-6361/202039897
Contributors: Spandan Choudhury; Jaime E. Pineda; Paola Caselli; Stella S. R. Offner; Erik Rosolowsky; Rachel K. Friesen; Elena Redaelli; Ana Chacón-Tanarro; Yancy Shirley; Anna Punanova et al.
Source: check_circle
Crossref

Erratum: “The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333” (2020, ApJ, 899, 28)

The Astrophysical Journal
2021-04-01 | Journal article
DOI: 10.3847/1538-4357/abf2b3
Contributors: Yasuo Doi; Tetsuo Hasegawa; Ray S. Furuya; Simon Coudé; Charles L. H. Hull; Doris Arzoumanian; Pierre Bastien; Michael Chun-Yuan Chen; James Di Francesco; Rachel Friesen et al.
Source: check_circle
Crossref

The JCMT BISTRO Survey: Magnetic Fields Associated with a Network of Filaments in NGC 1333

The Astrophysical Journal
2020-08-01 | Journal article
DOI: 10.3847/1538-4357/aba1e2
Contributors: Yasuo Doi; Tetsuo Hasegawa; Ray S. Furuya; Simon Coudé; Charles L. H. Hull; Doris Arzoumanian; Pierre Bastien; Michael Chun-Yuan Chen; James Di Francesco; Rachel Friesen et al.
Source: check_circle
Crossref

Confirmation of Enhanced Long-wavelength Dust Emission in OMC 2/3

The Astrophysical Journal
2020-04-10 | Journal article
DOI: 10.3847/1538-4357/ab734a
Contributors: Brian Mason; Simon Dicker; Sarah Sadavoy; Sara Stanchfield; Tony Mroczkowski; Charles Romero; Rachel Friesen; Craig Sarazin; Jonathan Sievers; Thomas Stanke et al.
Source: check_circle
Crossref

Velocity-coherent Filaments in NGC 1333: Evidence for Accretion Flow?

The Astrophysical Journal
2020-03-01 | Journal article
DOI: 10.3847/1538-4357/ab7378
Contributors: Michael Chun-Yuan Chen; James Di Francesco; Erik Rosolowsky; Jared Keown; Jaime E. Pineda; Rachel K. Friesen; Paola Caselli; How-Huan Chen; Christopher D. Matzner; Stella S. Offner et al.
Source: check_circle
Crossref

Droplets. II. Internal Velocity Structures and Potential Rotational Motions in Pressure-dominated Coherent Structures

The Astrophysical Journal
2019-12-01 | Journal article
DOI: 10.3847/1538-4357/ab4ce9
Contributors: Hope How-Huan Chen; Jaime E. Pineda; Stella S. R. Offner; Alyssa A. Goodman; Andreas Burkert; Rachel K. Friesen; Erik Rosolowsky; Samantha Scibelli; Yancy Shirley
Source: check_circle
Crossref

KFPA Examinations of Young STellar Object Natal Environments (KEYSTONE): Hierarchical Ammonia Structures in Galactic Giant Molecular Clouds

The Astrophysical Journal
2019-10-01 | Journal article
DOI: 10.3847/1538-4357/ab3e76
Contributors: Jared Keown; James Di Francesco; Erik Rosolowsky; Ayushi Singh; Charles Figura; Helen Kirk; L. D. Anderson; Michael Chun-Yuan Chen; Davide Elia; Rachel Friesen et al.
Source: check_circle
Crossref

Relative Alignment between the Magnetic Field and Molecular Gas Structure in the Vela C Giant Molecular Cloud Using Low- and High-density Tracers

The Astrophysical Journal
2019-06-19 | Journal article
DOI: 10.3847/1538-4357/ab1eb0
Contributors: Laura M. Fissel; Peter A. R. Ade; Francesco E. Angilè; Peter Ashton; Steven J. Benton; Che-Yu Chen; Maria Cunningham; Mark J. Devlin; Bradley Dober; Rachel Friesen et al.
Source: check_circle
Crossref

Droplets. I. Pressure-dominated Coherent Structures in L1688 and B18

The Astrophysical Journal
2019-06-01 | Journal article
DOI: 10.3847/1538-4357/ab1a40
Contributors: Hope How-Huan Chen; Jaime E. Pineda; Alyssa A. Goodman; Andreas Burkert; Stella S. R. Offner; Rachel K. Friesen; Philip C. Myers; Felipe Alves; Héctor G. Arce; Paola Caselli et al.
Source: check_circle
Crossref

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

The Astrophysical Journal
2019-06-01 | Journal article
DOI: 10.3847/1538-4357/ab1b23
Contributors: Simon Coudé; Pierre Bastien; Martin Houde; Sarah Sadavoy; Rachel Friesen; James Di Francesco; Doug Johnstone; Steve Mairs; Tetsuo Hasegawa; Woojin Kwon et al.
Source: check_circle
Crossref

SOFIA FORCAST Photometry of 12 Extended Green Objects in the Milky Way

The Astrophysical Journal
2019-04-20 | Journal article
DOI: 10.3847/1538-4357/ab1140
Contributors: A. P. M. Towner; C. L. Brogan; T. R. Hunter; C. J. Cyganowski; R. K. Friesen
Source: check_circle
Crossref

The Green Bank Ammonia Survey: A Virial Analysis of Gould Belt Clouds in Data Release 1

The Astrophysical Journal
2019-04-01 | Journal article
DOI: 10.3847/1538-4357/ab0c08
Contributors: Ronan Kerr; Helen Kirk; James Di Francesco; Jared Keown; Mike Chen; Erik Rosolowsky; Stella S. R. Offner; Rachel Friesen; Jaime E. Pineda; Yancy Shirley et al.
Source: check_circle
Crossref

The Central 1000 au of a Pre-stellar Core Revealed with ALMA. I. 1.3 mm Continuum Observations

The Astrophysical Journal
2019-03-20 | Journal article
DOI: 10.3847/1538-4357/ab0700
Contributors: Paola Caselli; Jaime E. Pineda; Bo Zhao; Malcolm C. Walmsley; Eric Keto; Mario Tafalla; Ana Chacón-Tanarro; Tyler L. Bourke; Rachel Friesen; Daniele Galli et al.
Source: check_circle
Crossref

Magnetic Field Structure of Dense Cores Using Spectroscopic Methods

The Astrophysical Journal
2019-02-20 | Journal article
DOI: 10.3847/1538-4357/ab0086
Contributors: Sayantan Auddy; Philip C. Myers; Shantanu Basu; Jorma Harju; Jaime E. Pineda; Rachel K. Friesen
Source: check_circle
Crossref

An Ammonia Spectral Map of the L1495-B218 Filaments in the Taurus Molecular Cloud. II. CCS and HC7N Chemistry and Three Modes of Star Formation in the Filaments

The Astrophysical Journal
2019-02-01 | Journal article
DOI: 10.3847/1538-4357/aaf887
Contributors: Young Min Seo; Liton Majumdar; Paul F. Goldsmith; Yancy L. Shirley; Karen Willacy; Derek Ward-Thompson; Rachel Friesen; David Frayer; Sarah E. Church; Dongwoo Chung et al.
Source: check_circle
Crossref

ALMA Observations of the ρ Ophiuchus B2 Region. I. Molecular Outflows and Their Driving Sources

The Astrophysical Journal
2019-01-20 | Journal article
DOI: 10.3847/1538-4357/aaf857
Contributors: Takeshi Kamazaki; Fumitaka Nakamura; Ryohei Kawabe; Chihomi Hara; Shigehisa Takakuwa; Naomi Hirano; James Di Francesco; Rachel Friesen; Motohide Tamura
Source: check_circle
Crossref

ALMA Detections of the Youngest Protostars in Ophiuchus

The Astrophysical Journal
2018-12-20 | Journal article
DOI: 10.3847/1538-4357/aaeff5
Contributors: R. K. Friesen; A. Pon; T. L. Bourke; P. Caselli; J. Di Francesco; J. K. Jørgensen; J. E. Pineda
Source: check_circle
Crossref

The Extraordinary Outburst in the Massive Protostellar System NGC 6334I-MM1: Flaring of the Water Masers in a North–South Bipolar Outflow Driven by MM1B

The Astrophysical Journal
2018-10-20 | Journal article
DOI: 10.3847/1538-4357/aae151
Contributors: C. L. Brogan; T. R. Hunter; C. J. Cyganowski; J. O. Chibueze; R. K. Friesen; T. Hirota; G. C. MacLeod; B. A. McGuire; A. M. Sobolev
Source: check_circle
Crossref

The Extraordinary Outburst in the Massive Protostellar System NGC 6334I-MM1: Emergence of Strong 6.7 GHz Methanol Masers

The Astrophysical Journal
2018-02-20 | Journal article
DOI: 10.3847/1538-4357/aaa962
Contributors: T. R. Hunter; C. L. Brogan; G. C. MacLeod; C. J. Cyganowski; J. O. Chibueze; R. Friesen; T. Hirota; D. P. Smits; C. J. Chandler; R. Indebetouw
Source: check_circle
Crossref

The Green Bank Ammonia Survey: Unveiling the Dynamics of the Barnard 59 Star-forming Clump

The Astrophysical Journal
2017-12-01 | Journal article
DOI: 10.3847/1538-4357/aa9703
Contributors: E. Redaelli; F. O. Alves; P. Caselli; J. E. Pineda; R. K. Friesen; A. Chacón-Tanarro; C. D. Matzner; A. Ginsburg; E. Rosolowsky; J. Keown et al.
Source: check_circle
Crossref

The Green Bank Ammonia Survey: Observations of Hierarchical Dense Gas Structures in Cepheus-L1251

The Astrophysical Journal
2017-11-20 | Journal article
DOI: 10.3847/1538-4357/aa93ec
Contributors: Jared Keown; James Di Francesco; Helen Kirk; Rachel K. Friesen; Jaime E. Pineda; Erik Rosolowsky; Adam Ginsburg; Stella S. R. Offner; Paola Caselli; Felipe Alves et al.
Source: check_circle
Crossref

The Green Bank Ammonia Survey: Dense Cores under Pressure in Orion A

The Astrophysical Journal
2017-09-10 | Journal article
DOI: 10.3847/1538-4357/aa8631
Contributors: Helen Kirk; Rachel K. Friesen; Jaime E. Pineda; Erik Rosolowsky; Stella S. R. Offner; Christopher D. Matzner; Philip C. Myers; James Di Francesco; Paola Caselli; Felipe O. Alves et al.
Source: check_circle
Crossref

The Green Bank Ammonia Survey: First Results of NH3 Mapping of the Gould Belt

The Astrophysical Journal
2017-07-01 | Journal article
DOI: 10.3847/1538-4357/aa6d58
Contributors: Rachel K. Friesen; Jaime E. Pineda; Erik Rosolowsky; Felipe Alves; Ana Chacón-Tanarro; Hope How-Huan Chen; Michael Chun-Yuan Chen; James Di Francesco; Jared Keown; Helen Kirk et al.
Source: check_circle
Crossref

VLA Survey of Dense Gas in Extended Green Objects: Prevalence of 25 GHz Methanol Masers

The Astrophysical Journal Supplement Series
2017-06-01 | Journal article
DOI: 10.3847/1538-4365/aa73d8
Contributors: A. P. M. Towner; C. L. Brogan; T. R. Hunter; C. J. Cyganowski; B. A. McGuire; R. Indebetouw; R. K. Friesen; C. J. Chandler
Source: check_circle
Crossref

An Extraordinary Outburst in the Massive Protostellar System NGC 6334I-MM1: Quadrupling of the Millimeter Continuum

The Astrophysical Journal Letters
2017-03-10 | Journal article
DOI: 10.3847/2041-8213/aa5d0e
Contributors: T. R. Hunter; C. L. Brogan; G. MacLeod; C. J. Cyganowski; C. J. Chandler; J. O. Chibueze; R. Friesen; R. Indebetouw; C. Thesner; K. H. Young
Source: check_circle
Crossref

THE FRAGMENTATION AND STABILITY OF HIERARCHICAL STRUCTURE IN SERPENS SOUTH

The Astrophysical Journal
2016-12-20 | Journal article
DOI: 10.3847/1538-4357/833/2/204
Contributors: R. K. Friesen; T. L. Bourke; J. Di Francesco; R. Gutermuth; P. C. Myers
Source: check_circle
Crossref

INFALL/EXPANSION VELOCITIES IN THE LOW-MASS DENSE CORES L492, L694-2, AND L1521F: DEPENDENCE ON POSITION AND MOLECULAR TRACER

The Astrophysical Journal
2016-12-10 | Journal article
DOI: 10.3847/1538-4357/833/1/97
Contributors: Jared Keown; Scott Schnee; Tyler L Bourke; James Di Francesco; Rachel Friesen; Paola Caselli; Philip Myers; Gerard Williger; Mario Tafalla
Source: check_circle
Crossref

THE MASSIVE PROTOSTELLAR CLUSTER NGC 6334I AT 220 au RESOLUTION: DISCOVERY OF FURTHER MULTIPLICITY, DIVERSITY, AND A HOT MULTI-CORE

The Astrophysical Journal
2016-12-01 | Journal article
DOI: 10.3847/0004-637X/832/2/187
Contributors: C. L. Brogan; T. R. Hunter; C. J. Cyganowski; C. J. Chandler; R. Friesen; R. Indebetouw
Source: check_circle
Crossref

PHYSICAL CONDITIONS OF THE EARLIEST PHASES OF MASSIVE STAR FORMATION: SINGLE-DISH AND INTERFEROMETRIC OBSERVATIONS OF AMMONIA AND CCS IN INFRARED DARK CLOUDS

The Astronomical Journal
2015-10-30 | Journal article
DOI: 10.1088/0004-6256/150/5/159
Contributors: William J. Dirienzo; Crystal Brogan; Rémy Indebetouw; Claire J. Chandler; Rachel K. Friesen; Kathryn E. Devine
Source: check_circle
Crossref

REVEALING H2D+ DEPLETION AND COMPACT STRUCTURE IN STARLESS AND PROTOSTELLAR CORES WITH ALMA

The Astrophysical Journal
2014-11-21 | Journal article
DOI: 10.1088/0004-637X/797/1/27
Contributors: R. K. Friesen; J. Di Francesco; T. L. Bourke; P. Caselli; J. K. Jørgensen; J. E. Pineda; M. Wong
Source: check_circle
Crossref

G11.92–0.61-MM2: A BONAFIDE MASSIVE PRESTELLAR CORE?

The Astrophysical Journal
2014-10-31 | Journal article
DOI: 10.1088/2041-8205/796/1/L2
Contributors: C. J. Cyganowski; C. L. Brogan; T. R. Hunter; D. Graninger; K. I. Öberg; A. Vasyunin; Q. Zhang; R. Friesen; S. Schnee
Source: check_circle
Crossref
How many people are using ORCID?