Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2

P. Hartogh; C. Jarchow; E. Lellouch; M. de Val-Borro; M. Rengel; R. Moreno; A. S. Medvedev; H. Sagawa; B. M. Swinyard; T. Cavalié; D. C. Lis; M. I. Błęcka; M. Banaszkiewicz; D. Bockelée-Morvan; J. Crovisier; T. Encrenaz; M. Küppers; L. -M Lara; S. Szutowicz; B. Vandenbussche; F. Bensch; E. A. Bergin; F. Billebaud; N. Biver; G.A. Blake; J. A. D. L. Blommaert; J. Cernicharo; L. Decin; P. Encrenaz; H. Feuchtgruber; T. Fulton; T. de Graauw; E. Jehin; M. Kidger; R. Lorente; D. A. Naylor; G. Portyankina; M. Sánchez-Portal; R. Schieder; S. Sidher; N. Thomas; E. Verdugo; C. Waelkens; N. Whyborn; D. Teyssier; F. Helmich; P. Roelfsema; J. Stutzki; H. G. Leduc; J. A. Stern

doi:10.1051/0004-6361/201015160

Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2

P. Hartogh^*, C. Jarchow, E. Lellouch, M. de Val-Borro, M. Rengel, R. Moreno, A. S. Medvedev, H. Sagawa, B. M. Swinyard, T. Cavalié, D. C. Lis, M. I. Błęcka, M. Banaszkiewicz, D. Bockelée-Morvan, J. Crovisier, T. Encrenaz, M. Küppers, L. -M Lara, S. Szutowicz, B. VandenbusscheF. Bensch, E. A. Bergin, F. Billebaud, N. Biver, G.A. Blake, J. A. D. L. Blommaert, J. Cernicharo, L. Decin, P. Encrenaz, H. Feuchtgruber, T. Fulton, T. de Graauw, E. Jehin, M. Kidger, R. Lorente, D. A. Naylor, G. Portyankina, M. Sánchez-Portal, R. Schieder, S. Sidher, N. Thomas, E. Verdugo, C. Waelkens, N. Whyborn, D. Teyssier, F. Helmich, P. Roelfsema, J. Stutzki, H. G. Leduc, J. A. Stern

^*Corresponding author for this work

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Abstract

We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O-2) in the Martian atmosphere performed on 13 and 16 April 2010 (L-s similar to 77 degrees). We derived a constant volume mixing ratio of 1400 +/- 120 ppm for O-2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O-2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around L-s similar to 75 degrees but overestimate the volume mixing ratio compared to our measurements.

Original language	English
Article number	L49
Number of pages	5
Journal	Astronomy & Astrophysics
Volume	521
DOIs	https://doi.org/10.1051/0004-6361/201015160
Publication status	Published - Oct-2010

Keywords

planets and satellites: atmospheres
radiative transfer
submillimeter: general
molecular processes
GENERAL-CIRCULATION MODEL
MARTIAN ATMOSPHERE
CARBON-MONOXIDE
SEASONAL-VARIATIONS
MOLECULAR-OXYGEN
MU-M
VENUS
WATER
PHOTOCHEMISTRY
SPECTROSCOPY

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Hartogh, P., Jarchow, C., Lellouch, E., de Val-Borro, M., Rengel, M., Moreno, R., Medvedev, A. S., Sagawa, H., Swinyard, B. M., Cavalié, T., Lis, D. C., Błęcka, M. I., Banaszkiewicz, M., Bockelée-Morvan, D., Crovisier, J., Encrenaz, T., Küppers, M., Lara, L. .-M., Szutowicz, S., ... Stern, J. A. (2010). Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2. Astronomy & Astrophysics, 521, Article L49. https://doi.org/10.1051/0004-6361/201015160

@article{ba6a1874a3554197a438a74d529a1fed,

title = "Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2",

abstract = "We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O-2) in the Martian atmosphere performed on 13 and 16 April 2010 (L-s similar to 77 degrees). We derived a constant volume mixing ratio of 1400 +/- 120 ppm for O-2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O-2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around L-s similar to 75 degrees but overestimate the volume mixing ratio compared to our measurements.",

keywords = "planets and satellites: atmospheres, radiative transfer, submillimeter: general, molecular processes, GENERAL-CIRCULATION MODEL, MARTIAN ATMOSPHERE, CARBON-MONOXIDE, SEASONAL-VARIATIONS, MOLECULAR-OXYGEN, MU-M, VENUS, WATER, PHOTOCHEMISTRY, SPECTROSCOPY",

author = "P. Hartogh and C. Jarchow and E. Lellouch and {de Val-Borro}, M. and M. Rengel and R. Moreno and Medvedev, {A. S.} and H. Sagawa and Swinyard, {B. M.} and T. Cavali{\'e} and Lis, {D. C.} and B{\l}{\c e}cka, {M. I.} and M. Banaszkiewicz and D. Bockel{\'e}e-Morvan and J. Crovisier and T. Encrenaz and M. K{\"u}ppers and Lara, {L. -M} and S. Szutowicz and B. Vandenbussche and F. Bensch and Bergin, {E. A.} and F. Billebaud and N. Biver and G.A. Blake and Blommaert, {J. A. D. L.} and J. Cernicharo and L. Decin and P. Encrenaz and H. Feuchtgruber and T. Fulton and {de Graauw}, T. and E. Jehin and M. Kidger and R. Lorente and Naylor, {D. A.} and G. Portyankina and M. S{\'a}nchez-Portal and R. Schieder and S. Sidher and N. Thomas and E. Verdugo and C. Waelkens and N. Whyborn and D. Teyssier and F. Helmich and P. Roelfsema and J. Stutzki and Leduc, {H. G.} and Stern, {J. A.}",

note = "M1 - Journal Article",

year = "2010",

month = oct,

doi = "10.1051/0004-6361/201015160",

language = "English",

volume = "521",

journal = "Astronomy & Astrophysics",

issn = "0004-6361",

publisher = " EDP Sciences",

}

Hartogh, P, Jarchow, C, Lellouch, E, de Val-Borro, M, Rengel, M, Moreno, R, Medvedev, AS, Sagawa, H, Swinyard, BM, Cavalié, T, Lis, DC, Błęcka, MI, Banaszkiewicz, M, Bockelée-Morvan, D, Crovisier, J, Encrenaz, T, Küppers, M, Lara, L-M, Szutowicz, S, Vandenbussche, B, Bensch, F, Bergin, EA, Billebaud, F, Biver, N, Blake, GA, Blommaert, JADL, Cernicharo, J, Decin, L, Encrenaz, P, Feuchtgruber, H, Fulton, T, de Graauw, T, Jehin, E, Kidger, M, Lorente, R, Naylor, DA, Portyankina, G, Sánchez-Portal, M, Schieder, R, Sidher, S, Thomas, N, Verdugo, E, Waelkens, C, Whyborn, N, Teyssier, D, Helmich, F, Roelfsema, P, Stutzki, J, Leduc, HG & Stern, JA 2010, 'Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2', Astronomy & Astrophysics, vol. 521, L49. https://doi.org/10.1051/0004-6361/201015160

TY - JOUR

T1 - Herschel/HIFI observations of Mars

T2 - First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2

AU - Hartogh, P.

AU - Jarchow, C.

AU - Lellouch, E.

AU - de Val-Borro, M.

AU - Rengel, M.

AU - Moreno, R.

AU - Medvedev, A. S.

AU - Sagawa, H.

AU - Swinyard, B. M.

AU - Cavalié, T.

AU - Lis, D. C.

AU - Błęcka, M. I.

AU - Banaszkiewicz, M.

AU - Bockelée-Morvan, D.

AU - Crovisier, J.

AU - Encrenaz, T.

AU - Küppers, M.

AU - Lara, L. -M

AU - Szutowicz, S.

AU - Vandenbussche, B.

AU - Bensch, F.

AU - Bergin, E. A.

AU - Billebaud, F.

AU - Biver, N.

AU - Blake, G.A.

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

AU - Cernicharo, J.

AU - Decin, L.

AU - Encrenaz, P.

AU - Feuchtgruber, H.

AU - Fulton, T.

AU - de Graauw, T.

AU - Jehin, E.

AU - Kidger, M.

AU - Lorente, R.

AU - Naylor, D. A.

AU - Portyankina, G.

AU - Sánchez-Portal, M.

AU - Schieder, R.

AU - Sidher, S.

AU - Thomas, N.

AU - Verdugo, E.

AU - Waelkens, C.

AU - Whyborn, N.

AU - Teyssier, D.

AU - Helmich, F.

AU - Roelfsema, P.

AU - Stutzki, J.

AU - Leduc, H. G.

AU - Stern, J. A.

N1 - M1 - Journal Article

PY - 2010/10

Y1 - 2010/10

N2 - We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O-2) in the Martian atmosphere performed on 13 and 16 April 2010 (L-s similar to 77 degrees). We derived a constant volume mixing ratio of 1400 +/- 120 ppm for O-2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O-2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around L-s similar to 75 degrees but overestimate the volume mixing ratio compared to our measurements.

AB - We report on an initial analysis of Herschel/HIFI observations of hydrogen chloride (HCl), hydrogen peroxide (H2O2), and molecular oxygen (O-2) in the Martian atmosphere performed on 13 and 16 April 2010 (L-s similar to 77 degrees). We derived a constant volume mixing ratio of 1400 +/- 120 ppm for O-2 and determined upper limits of 200 ppt for HCl and 2 ppb for H2O2. Radiative transfer model calculations indicate that the vertical profile of O-2 may not be constant. Photochemical models determine the lowest values of H2O2 to be around L-s similar to 75 degrees but overestimate the volume mixing ratio compared to our measurements.

KW - planets and satellites: atmospheres

KW - radiative transfer

KW - submillimeter: general

KW - molecular processes

KW - GENERAL-CIRCULATION MODEL

KW - MARTIAN ATMOSPHERE

KW - CARBON-MONOXIDE

KW - SEASONAL-VARIATIONS

KW - MOLECULAR-OXYGEN

KW - MU-M

KW - VENUS

KW - WATER

KW - PHOTOCHEMISTRY

KW - SPECTROSCOPY

U2 - 10.1051/0004-6361/201015160

DO - 10.1051/0004-6361/201015160

M3 - Article

SN - 0004-6361

VL - 521

JO - Astronomy & Astrophysics

JF - Astronomy & Astrophysics

M1 - L49

ER -

Herschel/HIFI observations of Mars: First detection of O2 at submillimetre wavelengths and upper limits on HCl and H2O2

Abstract

Keywords

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