On the origin of H2CO abundance enhancements in low-mass protostars

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Standard

On the origin of H2CO abundance enhancements in low-mass protostars. / Schöier, F. L.; Jørgensen, J. K.; Van Dishoeck, E. F.; Blake, Geoffrey A.

I: Astronomy and Astrophysics, Bind 418, Nr. 1, 01.04.2004, s. 185-202.

Publikation: Bidrag til tidsskrift › Tidsskriftartikel › Forskning › fagfællebedømt

Harvard

Schöier, FL, Jørgensen, JK, Van Dishoeck, EF & Blake, GA 2004, 'On the origin of H2CO abundance enhancements in low-mass protostars', Astronomy and Astrophysics, bind 418, nr. 1, s. 185-202. https://doi.org/10.1051/0004-6361:20035769

APA

Schöier, F. L., Jørgensen, J. K., Van Dishoeck, E. F., & Blake, G. A. (2004). On the origin of H2CO abundance enhancements in low-mass protostars. Astronomy and Astrophysics, 418(1), 185-202. https://doi.org/10.1051/0004-6361:20035769

Vancouver

Schöier FL, Jørgensen JK, Van Dishoeck EF, Blake GA. On the origin of H2CO abundance enhancements in low-mass protostars. Astronomy and Astrophysics. 2004 apr. 1;418(1):185-202. https://doi.org/10.1051/0004-6361:20035769

Author

Schöier, F. L. ; Jørgensen, J. K. ; Van Dishoeck, E. F. ; Blake, Geoffrey A. / On the origin of H2CO abundance enhancements in low-mass protostars. I: Astronomy and Astrophysics. 2004 ; Bind 418, Nr. 1. s. 185-202.

Bibtex

@article{c8be668d97b7453d9736efe3397bb9ec,
title = "On the origin of H2CO abundance enhancements in low-mass protostars",
abstract = "The line observations of high angular resolution H2CO 218 GHz were investigated in low-mass protostars IRAS 16293-2422 and L1448-C. There was excess unresolved compact emission centered for both sources which occurred due to accretion disks <200AU in size. The constant H2CO abundance throughout the envelope cannot fit interferometer data of two H2CO lines simultaneously on longest and shortest baselines. H2CO abundance drops in cold dense part provides good fits to single-dish and interferometer data on short baselines for both sources.",
keywords = "Astrochemistry, ISM: abundances, Stars: circumstellar matter, Stars: formation, Stars: individual: IRAS 16293-2422, L1448-C",
author = "Sch{\"o}ier, {F. L.} and J{\o}rgensen, {J. K.} and {Van Dishoeck}, {E. F.} and Blake, {Geoffrey A.}",
year = "2004",
month = apr,
day = "1",
doi = "10.1051/0004-6361:20035769",
language = "English",
volume = "418",
pages = "185--202",
journal = "Astronomy & Astrophysics",
issn = "0004-6361",
publisher = "E D P Sciences",
number = "1",

}

RIS

TY - JOUR

T1 - On the origin of H2CO abundance enhancements in low-mass protostars

AU - Schöier, F. L.

AU - Jørgensen, J. K.

AU - Van Dishoeck, E. F.

AU - Blake, Geoffrey A.

PY - 2004/4/1

Y1 - 2004/4/1

N2 - The line observations of high angular resolution H2CO 218 GHz were investigated in low-mass protostars IRAS 16293-2422 and L1448-C. There was excess unresolved compact emission centered for both sources which occurred due to accretion disks <200AU in size. The constant H2CO abundance throughout the envelope cannot fit interferometer data of two H2CO lines simultaneously on longest and shortest baselines. H2CO abundance drops in cold dense part provides good fits to single-dish and interferometer data on short baselines for both sources.

AB - The line observations of high angular resolution H2CO 218 GHz were investigated in low-mass protostars IRAS 16293-2422 and L1448-C. There was excess unresolved compact emission centered for both sources which occurred due to accretion disks <200AU in size. The constant H2CO abundance throughout the envelope cannot fit interferometer data of two H2CO lines simultaneously on longest and shortest baselines. H2CO abundance drops in cold dense part provides good fits to single-dish and interferometer data on short baselines for both sources.

KW - Astrochemistry

KW - ISM: abundances

KW - Stars: circumstellar matter

KW - Stars: formation

KW - Stars: individual: IRAS 16293-2422, L1448-C

UR - http://www.scopus.com/inward/record.url?scp=2342502604&partnerID=8YFLogxK

U2 - 10.1051/0004-6361:20035769

DO - 10.1051/0004-6361:20035769

M3 - Journal article

AN - SCOPUS:2342502604

VL - 418

SP - 185

EP - 202

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

SN - 0004-6361

IS - 1

ER -

ID: 234016445