Millimeter and submillimeter spectroscopy of the deuterated molecular ion SD+

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F67985815%3A90106%2F24%3A00616880" target="_blank" >RIV/67985815:90106/24:00616880 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.3847/1538-4357/ad2f9d" target="_blank" >https://doi.org/10.3847/1538-4357/ad2f9d</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.3847/1538-4357/ad2f9d" target="_blank" >10.3847/1538-4357/ad2f9d</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Millimeter and submillimeter spectroscopy of the deuterated molecular ion SD+

Popis výsledku v původním jazyce

Seven rotational and fine-structure transitions of the deuterated molecular ion SD+ in the X-3 Sigma(-) ground electronic state have been measured in the 271-863 GHz region in the laboratory. This ion has been produced by direct-current glow discharge using a mixture of D2S and argon in a free space cell in a temperature range of140degree celsius to160degree celsius. The rotational, centrifugal distortion, spin-spin interaction, and hyperfine constants have been determined, the standard deviation of the residuals in the fitting is 109 kHz. The set of obtained spectroscopic parameters provides a list of accurate submillimeter rest frequencies of SD+ for astronomical detection. We have investigated lines of SD+ toward the quasar PKS 1830-211 using the Atacama Large Millimeter/submillimeter Array archive, as the z = 0.89 molecular absorber exists in front of this quasar. A data set covering the 297 GHz region includes the N-J = 2(3)-1(2) transition at 561 GHz due to redshift, providing an upper limit of the column density N-tot = 3 x 10(12) cm(-2) for SD+.

Název v anglickém jazyce

Millimeter and submillimeter spectroscopy of the deuterated molecular ion SD+

Popis výsledku anglicky

Seven rotational and fine-structure transitions of the deuterated molecular ion SD+ in the X-3 Sigma(-) ground electronic state have been measured in the 271-863 GHz region in the laboratory. This ion has been produced by direct-current glow discharge using a mixture of D2S and argon in a free space cell in a temperature range of140degree celsius to160degree celsius. The rotational, centrifugal distortion, spin-spin interaction, and hyperfine constants have been determined, the standard deviation of the residuals in the fitting is 109 kHz. The set of obtained spectroscopic parameters provides a list of accurate submillimeter rest frequencies of SD+ for astronomical detection. We have investigated lines of SD+ toward the quasar PKS 1830-211 using the Atacama Large Millimeter/submillimeter Array archive, as the z = 0.89 molecular absorber exists in front of this quasar. A data set covering the 297 GHz region includes the N-J = 2(3)-1(2) transition at 561 GHz due to redshift, providing an upper limit of the column density N-tot = 3 x 10(12) cm(-2) for SD+.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10308 - Astronomy (including astrophysics,space science)

Projekt

—

Návaznosti

—

Rok uplatnění

2024

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Astrophysical Journal

ISSN

0004-637X

e-ISSN

1538-4357

Svazek periodika

965

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

GB - Spojené království Velké Británie a Severního Irska

Počet stran výsledku

6

Strana od-do

46

Kód UT WoS článku

001196962500001

EID výsledku v databázi Scopus

2-s2.0-85189769143