Abstract
view Abstract Citations (38) References (11) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS Interpretation of the Newly Discovered Submillimeter Water Maser Neufeld, David A. ; Melnick, Gary J. Abstract The 10(29)-9(36)321 GHz water maser discovered recently by Menten et al. (1990) may be pumped collisionally under a wide range of physical conditions. This range of conditions is similar but not identical to that required to excite the well-studied 22 GHz water maser. The ratio of the observed 22 GHz and 321 GHz intersteller maser luminosities can be explained by collisional excitation within the same warm, dense gas. Collisional pumping in a circumstellar envelope can account for the observed 321 GHz maser emission in the supergiant star VY CMa. Publication: The Astrophysical Journal Pub Date: March 1990 DOI: 10.1086/185681 Bibcode: 1990ApJ...352L...9N Keywords: Interstellar Masers; Late Stars; Star Formation; Stellar Envelopes; Submillimeter Waves; Water Masers; Interstellar Matter; Supergiant Stars; Astrophysics; INTERSTELLAR: MOLECULES; MASERS; STARS: CIRCUMSTELLAR SHELLS; STARS: FORMATION; STARS: LATE-TYPE full text sources ADS | data products SIMBAD (2)
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