Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars

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Standard

Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars. / Boogert, A. C.Adwin; Pontoppidan, Klaus M.; Lahuis, Fred; Jørgensen, Jes K.; Augereau, Jean Charles; Blake, Geoffrey A.; Brooke, Timothy Y.; Brown, Joanna; Dullemond, C. P.; Evans, Neal J.; Geers, Vincent; Hogerheijde, Michiel R.; Kessler-Silacci, Jacqueline; Knez, Claudia; Morris, Pat; Noriega-Crespo, Alberto; Schöier, Fredrik L.; Van Dishoeck, Ewine F.; Allen, Lori E.; Harvey, Paul M.; Koerner, David W.; Mundy, Lee G.; Myers, Philip C.; Padgett, Deborah L.; Sargent, Anneila I.; Stapelfeldt, Karl R.

In: Astrophysical Journal, Supplement Series, Vol. 154, No. 1, 01.09.2004, p. 359-362.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Boogert, ACA, Pontoppidan, KM, Lahuis, F, Jørgensen, JK, Augereau, JC, Blake, GA, Brooke, TY, Brown, J, Dullemond, CP, Evans, NJ, Geers, V, Hogerheijde, MR, Kessler-Silacci, J, Knez, C, Morris, P, Noriega-Crespo, A, Schöier, FL, Van Dishoeck, EF, Allen, LE, Harvey, PM, Koerner, DW, Mundy, LG, Myers, PC, Padgett, DL, Sargent, AI & Stapelfeldt, KR 2004, 'Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars', Astrophysical Journal, Supplement Series, vol. 154, no. 1, pp. 359-362. https://doi.org/10.1086/422556

APA

Boogert, A. C. A., Pontoppidan, K. M., Lahuis, F., Jørgensen, J. K., Augereau, J. C., Blake, G. A., Brooke, T. Y., Brown, J., Dullemond, C. P., Evans, N. J., Geers, V., Hogerheijde, M. R., Kessler-Silacci, J., Knez, C., Morris, P., Noriega-Crespo, A., Schöier, F. L., Van Dishoeck, E. F., Allen, L. E., ... Stapelfeldt, K. R. (2004). Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars. Astrophysical Journal, Supplement Series, 154(1), 359-362. https://doi.org/10.1086/422556

Vancouver

Boogert ACA, Pontoppidan KM, Lahuis F, Jørgensen JK, Augereau JC, Blake GA et al. Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars. Astrophysical Journal, Supplement Series. 2004 Sep 1;154(1):359-362. https://doi.org/10.1086/422556

Author

Boogert, A. C.Adwin ; Pontoppidan, Klaus M. ; Lahuis, Fred ; Jørgensen, Jes K. ; Augereau, Jean Charles ; Blake, Geoffrey A. ; Brooke, Timothy Y. ; Brown, Joanna ; Dullemond, C. P. ; Evans, Neal J. ; Geers, Vincent ; Hogerheijde, Michiel R. ; Kessler-Silacci, Jacqueline ; Knez, Claudia ; Morris, Pat ; Noriega-Crespo, Alberto ; Schöier, Fredrik L. ; Van Dishoeck, Ewine F. ; Allen, Lori E. ; Harvey, Paul M. ; Koerner, David W. ; Mundy, Lee G. ; Myers, Philip C. ; Padgett, Deborah L. ; Sargent, Anneila I. ; Stapelfeldt, Karl R. / Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars. In: Astrophysical Journal, Supplement Series. 2004 ; Vol. 154, No. 1. pp. 359-362.

Bibtex

@article{0d808f4819ea4cee94c71745e8b1e1d9,
title = "Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars",
abstract = "Sensitive 5-38 μm Spitzer Space Telescope and ground-based 3-5 μm spectra of the embedded low-mass protostars B5 IRS1 and HH 46 IRS show deep ice absorption bands superposed on steeply rising mid-infrared continua. The ices likely originate in the circumstellar envelopes. The CO2 bending mode at 15 μm is a particularly powerful tracer of the ice composition and processing history. Toward these protostars, this band shows little evidence for thermal processing at temperatures above 50 K. Signatures of lower temperature processing are present in the CO and OCN- bands, however. The observed CO2 profile indicates an intimate mixture with H 2O, but not necessarily with CH3OH, in contrast to some high-mass protostars. This is consistent with the low CH3OH abundance derived from the ground-based L-band spectra. The CO2:H2O column density ratios are high in both B5 IRS1 and HH 46 IRS (∼35%). Clearly, the Spitzer spectra are essential for studying ice evolution in low-mass protostellar environments and for eventually determining the relation between interstellar and solar system ices.",
keywords = "Astrochemistry, Infrared: ISM, ISM: abundances, ISM: molecules, Stars: formation, Stars: individual (B5 IRS 1)",
author = "Boogert, {A. C.Adwin} and Pontoppidan, {Klaus M.} and Fred Lahuis and J{\o}rgensen, {Jes K.} and Augereau, {Jean Charles} and Blake, {Geoffrey A.} and Brooke, {Timothy Y.} and Joanna Brown and Dullemond, {C. P.} and Evans, {Neal J.} and Vincent Geers and Hogerheijde, {Michiel R.} and Jacqueline Kessler-Silacci and Claudia Knez and Pat Morris and Alberto Noriega-Crespo and Sch{\"o}ier, {Fredrik L.} and {Van Dishoeck}, {Ewine F.} and Allen, {Lori E.} and Harvey, {Paul M.} and Koerner, {David W.} and Mundy, {Lee G.} and Myers, {Philip C.} and Padgett, {Deborah L.} and Sargent, {Anneila I.} and Stapelfeldt, {Karl R.}",
year = "2004",
month = sep,
day = "1",
doi = "10.1086/422556",
language = "English",
volume = "154",
pages = "359--362",
journal = "Astrophysical Journal",
issn = "0067-0049",
publisher = "Institute of Physics Publishing, Inc",
number = "1",

}

RIS

TY - JOUR

T1 - Spitzer space telescope spectroscopy of ices toward low-mass embedded protostars

AU - Boogert, A. C.Adwin

AU - Pontoppidan, Klaus M.

AU - Lahuis, Fred

AU - Jørgensen, Jes K.

AU - Augereau, Jean Charles

AU - Blake, Geoffrey A.

AU - Brooke, Timothy Y.

AU - Brown, Joanna

AU - Dullemond, C. P.

AU - Evans, Neal J.

AU - Geers, Vincent

AU - Hogerheijde, Michiel R.

AU - Kessler-Silacci, Jacqueline

AU - Knez, Claudia

AU - Morris, Pat

AU - Noriega-Crespo, Alberto

AU - Schöier, Fredrik L.

AU - Van Dishoeck, Ewine F.

AU - Allen, Lori E.

AU - Harvey, Paul M.

AU - Koerner, David W.

AU - Mundy, Lee G.

AU - Myers, Philip C.

AU - Padgett, Deborah L.

AU - Sargent, Anneila I.

AU - Stapelfeldt, Karl R.

PY - 2004/9/1

Y1 - 2004/9/1

N2 - Sensitive 5-38 μm Spitzer Space Telescope and ground-based 3-5 μm spectra of the embedded low-mass protostars B5 IRS1 and HH 46 IRS show deep ice absorption bands superposed on steeply rising mid-infrared continua. The ices likely originate in the circumstellar envelopes. The CO2 bending mode at 15 μm is a particularly powerful tracer of the ice composition and processing history. Toward these protostars, this band shows little evidence for thermal processing at temperatures above 50 K. Signatures of lower temperature processing are present in the CO and OCN- bands, however. The observed CO2 profile indicates an intimate mixture with H 2O, but not necessarily with CH3OH, in contrast to some high-mass protostars. This is consistent with the low CH3OH abundance derived from the ground-based L-band spectra. The CO2:H2O column density ratios are high in both B5 IRS1 and HH 46 IRS (∼35%). Clearly, the Spitzer spectra are essential for studying ice evolution in low-mass protostellar environments and for eventually determining the relation between interstellar and solar system ices.

AB - Sensitive 5-38 μm Spitzer Space Telescope and ground-based 3-5 μm spectra of the embedded low-mass protostars B5 IRS1 and HH 46 IRS show deep ice absorption bands superposed on steeply rising mid-infrared continua. The ices likely originate in the circumstellar envelopes. The CO2 bending mode at 15 μm is a particularly powerful tracer of the ice composition and processing history. Toward these protostars, this band shows little evidence for thermal processing at temperatures above 50 K. Signatures of lower temperature processing are present in the CO and OCN- bands, however. The observed CO2 profile indicates an intimate mixture with H 2O, but not necessarily with CH3OH, in contrast to some high-mass protostars. This is consistent with the low CH3OH abundance derived from the ground-based L-band spectra. The CO2:H2O column density ratios are high in both B5 IRS1 and HH 46 IRS (∼35%). Clearly, the Spitzer spectra are essential for studying ice evolution in low-mass protostellar environments and for eventually determining the relation between interstellar and solar system ices.

KW - Astrochemistry

KW - Infrared: ISM

KW - ISM: abundances

KW - ISM: molecules

KW - Stars: formation

KW - Stars: individual (B5 IRS 1)

UR - http://www.scopus.com/inward/record.url?scp=5644262716&partnerID=8YFLogxK

U2 - 10.1086/422556

DO - 10.1086/422556

M3 - Journal article

AN - SCOPUS:5644262716

VL - 154

SP - 359

EP - 362

JO - Astrophysical Journal

JF - Astrophysical Journal

SN - 0067-0049

IS - 1

ER -

ID: 234015961