| Issue |
A&A
Volume 376, Number 1, September II 2001
|
|
|---|---|---|
| Page(s) | 333 - 335 | |
| Section | Astronomical instrumentation | |
| DOI | https://doi.org/10.1051/0004-6361:20010873 | |
| Published online | 15 September 2001 | |
Suggestions for an interstellar cyclopropene search*
School of Physical Sciences, Swami Ramanand Teerth Marathwada University, Nanded 431 606, India
Corresponding author: S. Chandra, chandrasuresh@123india.com
Received:
13
December
1999
Accepted:
25
May
2001
Following tentative detection of cyclopropene (C3H4) in Sgr B2
through its transition 3
, several attempts to confirm the
presence of cyclopropene in astronomical objects (including Sgr B2
itself) have been made. We suggest that cyclopropene may be observed in
astronomical objects through its transition 2
at 3.67218 GHz,
in absorption, even against the cosmic 2.7 K background, in a region having low
density and low kinetic temperature.
Key words: ISM: molecules / molecular data
© ESO, 2001
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