Details

Autor(en) / Beteiligte

• FRIEDEL, D. N
• KEMBALL, Athol
• FIELDS, Brian D

Titel

THE SEARCH FOR EXTRAGALACTIC LITHIUM HYDRIDE

Ist Teil von

• The Astrophysical journal, 2011-09, Vol.738 (1), p.jQuery1323904245786='48'-jQuery1323904245786='48'

Ort / Verlag

Bristol: IOP

Erscheinungsjahr

2011

Quelle

EZB Free E-Journals

Beschreibungen/Notizen

• We have conducted Combined Array for Research in Millimeter-wave Astronomy observations of LiH, in absorption, toward three quasars. These quasars, B0218+357, PKS1830--211, and PKS0201+113, have redshifts of z = 0.685 -- 3.387, and shift the LiH J = 1-0 transition to the 1 mm and 3 mm wavelength bands, where atmospheric absorption is sharply reduced from that predominating near the rest frequency of 443 GHz. We report a 3 Delta *s detection of LiH toward B0218+357 with a column density of 1.4 X 1012 cm--2 and place an upper limit on the 6Li/7Li ratio of <0.16. LiH was not detected toward any other source.