A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes

D. Bockelée-Morvan; P. Hartogh; J. Crovisier; B. Vandenbussche; B. M. Swinyard; N. Biver; D. C. Lis; C. Jarchow; R. Moreno; D. Hutsemékers; E. Jehin; M. Küppers; L. M. Lara; E. Lellouch; J. Manfroid; M. De Val-Borro; S. Szutowicz; M. Banaszkiewicz; F. Bensch; M. I. Blecka; M. Emprechtinger; T. Encrenaz; T. Fulton; M. Kidger; M. Rengel; C. Waelkens; E. Bergin; G. A. Blake; J. A.D.L. Blommaert; J. Cernicharo; L. Decin; P. Encrenaz; T. De Graauw; S. Leeks; A. S. Medvedev; D. Naylor; R. Schieder; N. Thomas

doi:10.1051/0004-6361/201014655

A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes

D. Bockelée-Morvan
, P. Hartogh
, J. Crovisier
, B. Vandenbussche
, B. M. Swinyard
, N. Biver
, D. C. Lis
, C. Jarchow
, R. Moreno
, D. Hutsemékers
, E. Jehin
, M. Küppers
, L. M. Lara
, E. Lellouch
, J. Manfroid
, M. De Val-Borro
, S. Szutowicz
, M. Banaszkiewicz
, F. Bensch
, M. I. Blecka

M. Emprechtinger, T. Encrenaz, T. Fulton, M. Kidger, M. Rengel, C. Waelkens, E. Bergin, G. A. Blake, J. A.D.L. Blommaert, J. Cernicharo, L. Decin, P. Encrenaz, T. De Graauw, S. Leeks, A. S. Medvedev, D. Naylor, R. Schieder, N. Thomas

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Comet C/2006 W3 (Christensen) was observed in November 2009 at 3.3 AU from the Sun with Herschel.The PACS instrument acquired images of the dust coma in 70-μm and 160-μm filters and spectra covering several H₂O rotational lines. Spectra in the range 450-1550 GHz were acquired with SPIRE. The comet emission continuum from 70 to 672 μm was measured, but no lines were detected. The spectral energy distribution indicates thermal emission from large particles and provides a measure of the size distribution index and dust production rate. The upper limit to the water production rate is compared to the production rates of other species (CO, CH₃OH, HCN, H₂S, OH) measured with the IRAM 30-m and Nançay telescopes. The coma is found to be strongly enriched in species more volatile than water, in comparison to comets observed closer to the Sun. The CO to H₂O production rate ratio exceeds 220%. The dust-to-gas production rate ratio is on the order of 1.

Originele taal-2	English
Artikelnummer	L149
Aantal pagina's	6
Tijdschrift	Astronomy and Astrophysics
Volume	518
DOI's	https://doi.org/10.1051/0004-6361/201014655
Status	Published - jul. 2010
Extern gepubliceerd	Ja

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Bockelée-Morvan, D., Hartogh, P., Crovisier, J., Vandenbussche, B., Swinyard, B. M., Biver, N., Lis, D. C., Jarchow, C., Moreno, R., Hutsemékers, D., Jehin, E., Küppers, M., Lara, L. M., Lellouch, E., Manfroid, J., De Val-Borro, M., Szutowicz, S., Banaszkiewicz, M., Bensch, F., ... Thomas, N. (2010). A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes. Astronomy and Astrophysics, 518, Artikel L149. https://doi.org/10.1051/0004-6361/201014655

@article{ea3288d58ee74a34a5a3921c71b3e5a6,

title = "A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes",

abstract = "Comet C/2006 W3 (Christensen) was observed in November 2009 at 3.3 AU from the Sun with Herschel.The PACS instrument acquired images of the dust coma in 70-μm and 160-μm filters and spectra covering several H2O rotational lines. Spectra in the range 450-1550 GHz were acquired with SPIRE. The comet emission continuum from 70 to 672 μm was measured, but no lines were detected. The spectral energy distribution indicates thermal emission from large particles and provides a measure of the size distribution index and dust production rate. The upper limit to the water production rate is compared to the production rates of other species (CO, CH3OH, HCN, H2S, OH) measured with the IRAM 30-m and Nan{\c c}ay telescopes. The coma is found to be strongly enriched in species more volatile than water, in comparison to comets observed closer to the Sun. The CO to H2O production rate ratio exceeds 220\%. The dust-to-gas production rate ratio is on the order of 1.",

keywords = "Comets: general, Comets: individual: C/2006 W3 (Christensen), Radio continuum: planetary systems, Radio lines: planetary systems, Techniques: photometric",

author = "D. Bockel{\'e}e-Morvan and P. Hartogh and J. Crovisier and B. Vandenbussche and Swinyard, \{B. M.\} and N. Biver and Lis, \{D. C.\} and C. Jarchow and R. Moreno and D. Hutsem{\'e}kers and E. Jehin and M. K{\"u}ppers and Lara, \{L. M.\} and E. Lellouch and J. Manfroid and \{De Val-Borro\}, M. and S. Szutowicz and M. Banaszkiewicz and F. Bensch and Blecka, \{M. I.\} and M. Emprechtinger and T. Encrenaz and T. Fulton and M. Kidger and M. Rengel and C. Waelkens and E. Bergin and Blake, \{G. A.\} and Blommaert, \{J. A.D.L.\} and J. Cernicharo and L. Decin and P. Encrenaz and \{De Graauw\}, T. and S. Leeks and Medvedev, \{A. S.\} and D. Naylor and R. Schieder and N. Thomas",

year = "2010",

month = jul,

doi = "10.1051/0004-6361/201014655",

language = "English",

volume = "518",

journal = "Astronomy and Astrophysics",

issn = "0004-6361",

publisher = "EDP Sciences",

}

Bockelée-Morvan, D, Hartogh, P, Crovisier, J, Vandenbussche, B, Swinyard, BM, Biver, N, Lis, DC, Jarchow, C, Moreno, R, Hutsemékers, D, Jehin, E, Küppers, M, Lara, LM, Lellouch, E, Manfroid, J, De Val-Borro, M, Szutowicz, S, Banaszkiewicz, M, Bensch, F, Blecka, MI, Emprechtinger, M, Encrenaz, T, Fulton, T, Kidger, M, Rengel, M, Waelkens, C, Bergin, E, Blake, GA, Blommaert, JADL, Cernicharo, J, Decin, L, Encrenaz, P, De Graauw, T, Leeks, S, Medvedev, AS, Naylor, D, Schieder, R & Thomas, N 2010, 'A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes', Astronomy and Astrophysics, vol. 518, L149. https://doi.org/10.1051/0004-6361/201014655

TY - JOUR

T1 - A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes

AU - Bockelée-Morvan, D.

AU - Hartogh, P.

AU - Crovisier, J.

AU - Vandenbussche, B.

AU - Swinyard, B. M.

AU - Biver, N.

AU - Lis, D. C.

AU - Jarchow, C.

AU - Moreno, R.

AU - Hutsemékers, D.

AU - Jehin, E.

AU - Küppers, M.

AU - Lara, L. M.

AU - Lellouch, E.

AU - Manfroid, J.

AU - De Val-Borro, M.

AU - Szutowicz, S.

AU - Banaszkiewicz, M.

AU - Bensch, F.

AU - Blecka, M. I.

AU - Emprechtinger, M.

AU - Encrenaz, T.

AU - Fulton, T.

AU - Kidger, M.

AU - Rengel, M.

AU - Waelkens, C.

AU - Bergin, E.

AU - Blake, G. A.

AU - Blommaert, J. A.D.L.

AU - Cernicharo, J.

AU - Decin, L.

AU - Encrenaz, P.

AU - De Graauw, T.

AU - Leeks, S.

AU - Medvedev, A. S.

AU - Naylor, D.

AU - Schieder, R.

AU - Thomas, N.

PY - 2010/7

Y1 - 2010/7

N2 - Comet C/2006 W3 (Christensen) was observed in November 2009 at 3.3 AU from the Sun with Herschel.The PACS instrument acquired images of the dust coma in 70-μm and 160-μm filters and spectra covering several H2O rotational lines. Spectra in the range 450-1550 GHz were acquired with SPIRE. The comet emission continuum from 70 to 672 μm was measured, but no lines were detected. The spectral energy distribution indicates thermal emission from large particles and provides a measure of the size distribution index and dust production rate. The upper limit to the water production rate is compared to the production rates of other species (CO, CH3OH, HCN, H2S, OH) measured with the IRAM 30-m and Nançay telescopes. The coma is found to be strongly enriched in species more volatile than water, in comparison to comets observed closer to the Sun. The CO to H2O production rate ratio exceeds 220%. The dust-to-gas production rate ratio is on the order of 1.

AB - Comet C/2006 W3 (Christensen) was observed in November 2009 at 3.3 AU from the Sun with Herschel.The PACS instrument acquired images of the dust coma in 70-μm and 160-μm filters and spectra covering several H2O rotational lines. Spectra in the range 450-1550 GHz were acquired with SPIRE. The comet emission continuum from 70 to 672 μm was measured, but no lines were detected. The spectral energy distribution indicates thermal emission from large particles and provides a measure of the size distribution index and dust production rate. The upper limit to the water production rate is compared to the production rates of other species (CO, CH3OH, HCN, H2S, OH) measured with the IRAM 30-m and Nançay telescopes. The coma is found to be strongly enriched in species more volatile than water, in comparison to comets observed closer to the Sun. The CO to H2O production rate ratio exceeds 220%. The dust-to-gas production rate ratio is on the order of 1.

KW - Comets: general

KW - Comets: individual: C/2006 W3 (Christensen)

KW - Radio continuum: planetary systems

KW - Radio lines: planetary systems

KW - Techniques: photometric

UR - https://www.scopus.com/pages/publications/77957829343

U2 - 10.1051/0004-6361/201014655

DO - 10.1051/0004-6361/201014655

M3 - Article

AN - SCOPUS:77957829343

SN - 0004-6361

VL - 518

JO - Astronomy and Astrophysics

JF - Astronomy and Astrophysics

M1 - L149

ER -

A study of the distant activity of comet C/2006 W3 (Christensen) with Herschel and ground-based radio telescopes

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