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Article: First detection of NH 3 (1 0 → 0 0) from a low mass cloud core. On the low ammonia abundance of the ρ Oph A core
Title | First detection of NH 3 (1 0 → 0 0) from a low mass cloud core. On the low ammonia abundance of the ρ Oph A core |
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Authors | Liseau, RLarsson, BBrandeker, ABergman, PBernath, PBlack, JHBooth, RBuat, VCurry, CEncrenaz, PFalgarone, EFeldman, PFich, MFlorén, HFrisk, UGerin, MGregersen, EHarju, JHasegawa, THjalmarson, ÅJohansson, LKwok, SLecacheux, ALiljeström, TMattila, KMitchell, GNordh, LOlberg, MOlofsson, GPagani, LPlume, RRistorcelli, ISandqvist, AaSchéele, FVSerra, GTothill, NVolk, KWilson, C |
Keywords | Clouds Ism: Individual Objects: Ρ Oph A Molecules Stars: Formation |
Issue Date | 2003 |
Publisher | E D P Sciences. The Journal's web site is located at http://www.aanda.org |
Citation | Astronomy And Astrophysics, 2003, v. 402 n. 3, p. L73-L76 How to Cite? |
Abstract | Odin has successfully observed the molecular core ρ Oph A in the 572.5 GHz rotational ground state line of ammonia, NH 3 (J K = 1 0 → 0 0). The interpretation of this result makes use of complementary molecular line data obtained from the ground (C 17O and CH 3OH) as part of the Odin preparatory work. Comparison of these observations with theoretical model calculations of line excitation and transfer yields a quite ordinary abundance of methanol, X(CH 3OH) = 3 × 10 -9. Unless NH 3 is not entirely segregated from C 17O and CH 3OH, ammonia is found to be significantly underabundant with respect to typical dense core values, viz. X(NH 3) = 8 × 10 -10. |
Persistent Identifier | http://hdl.handle.net/10722/179659 |
ISSN | 2023 Impact Factor: 5.4 2023 SCImago Journal Rankings: 1.896 |
ISI Accession Number ID | |
References |
DC Field | Value | Language |
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dc.contributor.author | Liseau, R | en_US |
dc.contributor.author | Larsson, B | en_US |
dc.contributor.author | Brandeker, A | en_US |
dc.contributor.author | Bergman, P | en_US |
dc.contributor.author | Bernath, P | en_US |
dc.contributor.author | Black, JH | en_US |
dc.contributor.author | Booth, R | en_US |
dc.contributor.author | Buat, V | en_US |
dc.contributor.author | Curry, C | en_US |
dc.contributor.author | Encrenaz, P | en_US |
dc.contributor.author | Falgarone, E | en_US |
dc.contributor.author | Feldman, P | en_US |
dc.contributor.author | Fich, M | en_US |
dc.contributor.author | Florén, H | en_US |
dc.contributor.author | Frisk, U | en_US |
dc.contributor.author | Gerin, M | en_US |
dc.contributor.author | Gregersen, E | en_US |
dc.contributor.author | Harju, J | en_US |
dc.contributor.author | Hasegawa, T | en_US |
dc.contributor.author | Hjalmarson, Å | en_US |
dc.contributor.author | Johansson, L | en_US |
dc.contributor.author | Kwok, S | en_US |
dc.contributor.author | Lecacheux, A | en_US |
dc.contributor.author | Liljeström, T | en_US |
dc.contributor.author | Mattila, K | en_US |
dc.contributor.author | Mitchell, G | en_US |
dc.contributor.author | Nordh, L | en_US |
dc.contributor.author | Olberg, M | en_US |
dc.contributor.author | Olofsson, G | en_US |
dc.contributor.author | Pagani, L | en_US |
dc.contributor.author | Plume, R | en_US |
dc.contributor.author | Ristorcelli, I | en_US |
dc.contributor.author | Sandqvist, Aa | en_US |
dc.contributor.author | Schéele, FV | en_US |
dc.contributor.author | Serra, G | en_US |
dc.contributor.author | Tothill, N | en_US |
dc.contributor.author | Volk, K | en_US |
dc.contributor.author | Wilson, C | en_US |
dc.date.accessioned | 2012-12-19T10:02:20Z | - |
dc.date.available | 2012-12-19T10:02:20Z | - |
dc.date.issued | 2003 | en_US |
dc.identifier.citation | Astronomy And Astrophysics, 2003, v. 402 n. 3, p. L73-L76 | en_US |
dc.identifier.issn | 0004-6361 | en_US |
dc.identifier.uri | http://hdl.handle.net/10722/179659 | - |
dc.description.abstract | Odin has successfully observed the molecular core ρ Oph A in the 572.5 GHz rotational ground state line of ammonia, NH 3 (J K = 1 0 → 0 0). The interpretation of this result makes use of complementary molecular line data obtained from the ground (C 17O and CH 3OH) as part of the Odin preparatory work. Comparison of these observations with theoretical model calculations of line excitation and transfer yields a quite ordinary abundance of methanol, X(CH 3OH) = 3 × 10 -9. Unless NH 3 is not entirely segregated from C 17O and CH 3OH, ammonia is found to be significantly underabundant with respect to typical dense core values, viz. X(NH 3) = 8 × 10 -10. | en_US |
dc.language | eng | en_US |
dc.publisher | E D P Sciences. The Journal's web site is located at http://www.aanda.org | en_US |
dc.relation.ispartof | Astronomy and Astrophysics | en_US |
dc.subject | Clouds | en_US |
dc.subject | Ism: Individual Objects: Ρ Oph A | en_US |
dc.subject | Molecules | en_US |
dc.subject | Stars: Formation | en_US |
dc.title | First detection of NH 3 (1 0 → 0 0) from a low mass cloud core. On the low ammonia abundance of the ρ Oph A core | en_US |
dc.type | Article | en_US |
dc.identifier.email | Kwok, S: deannote@hku.hk | en_US |
dc.identifier.authority | Kwok, S=rp00716 | en_US |
dc.description.nature | link_to_subscribed_fulltext | en_US |
dc.identifier.scopus | eid_2-s2.0-0037687318 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-0037687318&selection=ref&src=s&origin=recordpage | en_US |
dc.identifier.volume | 402 | en_US |
dc.identifier.issue | 3 | en_US |
dc.identifier.spage | L73 | en_US |
dc.identifier.epage | L76 | en_US |
dc.identifier.isi | WOS:000182452000010 | - |
dc.publisher.place | France | en_US |
dc.identifier.scopusauthorid | Liseau, R=6701345678 | en_US |
dc.identifier.scopusauthorid | Larsson, B=7202678664 | en_US |
dc.identifier.scopusauthorid | Brandeker, A=7801311956 | en_US |
dc.identifier.scopusauthorid | Bergman, P=7006615192 | en_US |
dc.identifier.scopusauthorid | Bernath, P=35372923700 | en_US |
dc.identifier.scopusauthorid | Black, JH=25222377400 | en_US |
dc.identifier.scopusauthorid | Booth, R=7202614585 | en_US |
dc.identifier.scopusauthorid | Buat, V=7003733332 | en_US |
dc.identifier.scopusauthorid | Curry, C=7101672097 | en_US |
dc.identifier.scopusauthorid | Encrenaz, P=6603978312 | en_US |
dc.identifier.scopusauthorid | Falgarone, E=7003349192 | en_US |
dc.identifier.scopusauthorid | Feldman, P=7103377526 | en_US |
dc.identifier.scopusauthorid | Fich, M=7003964696 | en_US |
dc.identifier.scopusauthorid | Florén, H=6602447564 | en_US |
dc.identifier.scopusauthorid | Frisk, U=8966521600 | en_US |
dc.identifier.scopusauthorid | Gerin, M=7005195915 | en_US |
dc.identifier.scopusauthorid | Gregersen, E=7005825957 | en_US |
dc.identifier.scopusauthorid | Harju, J=8908583000 | en_US |
dc.identifier.scopusauthorid | Hasegawa, T=7404173711 | en_US |
dc.identifier.scopusauthorid | Hjalmarson, Å=15744175200 | en_US |
dc.identifier.scopusauthorid | Johansson, L=7401510283 | en_US |
dc.identifier.scopusauthorid | Kwok, S=22980498300 | en_US |
dc.identifier.scopusauthorid | Lecacheux, A=7003423533 | en_US |
dc.identifier.scopusauthorid | Liljeström, T=6602325021 | en_US |
dc.identifier.scopusauthorid | Mattila, K=7102595643 | en_US |
dc.identifier.scopusauthorid | Mitchell, G=7403103591 | en_US |
dc.identifier.scopusauthorid | Nordh, L=6603608785 | en_US |
dc.identifier.scopusauthorid | Olberg, M=16201342800 | en_US |
dc.identifier.scopusauthorid | Olofsson, G=7005783479 | en_US |
dc.identifier.scopusauthorid | Pagani, L=7006076032 | en_US |
dc.identifier.scopusauthorid | Plume, R=7004220684 | en_US |
dc.identifier.scopusauthorid | Ristorcelli, I=6701750764 | en_US |
dc.identifier.scopusauthorid | Sandqvist, Aa=35451841800 | en_US |
dc.identifier.scopusauthorid | Schéele, FV=6701436121 | en_US |
dc.identifier.scopusauthorid | Serra, G=7202261072 | en_US |
dc.identifier.scopusauthorid | Tothill, N=6602148553 | en_US |
dc.identifier.scopusauthorid | Volk, K=7006571965 | en_US |
dc.identifier.scopusauthorid | Wilson, C=7404896077 | en_US |
dc.identifier.issnl | 0004-6361 | - |