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Proposal Identification No.: A2224 Date Received: 2006­Mar­10 19:26:28
Technical Page
Proposal Type: Regular
General Category: Astronomy
Sub­Category: Spectroscopy
Observation Category: Galactic
Total Time Requested: 4 Hours
Proposal Title: Radio Line Observations Toward Star Forming Regions: An Undergraduate
Educational Project using the Arecibo 305m Telescope
ABSTRACT:
The increased remote observing capabilities of astronomical observatories allow their use in higher education. This
is important for general high level education of science students as well as for early training of a future generation
of radio astronomers. With the goal of introducing a group of undergraduate students currently enrolled in the
Astronomical Laboratory course at NMT (PHYS­328L) to 1. the field of massive star formation, and 2. the
techniques of professional radio astronomy, we propose observations of six star forming regions with the Arecibo
telescope. We will observe simultaneously a tracer of molecular gas (H2CO 6cm absorption), and a tracer of ionized
gas (H110a). The students will be able to plan, conduct, and analyze radio observations. They will verify the close
relationship between massive star forming regions and molecular clouds, and determine kinematic distances to HII
regions and molecular clouds based on the (LSR) velocity centroids of the radio recombination lines and the H2CO
6cm detections. The proposed project is well understood due to previous work of the PI in this area, and we plan to
observe during a period of the day when the telescope is not heavily used.
Name Institution E­mail Phone Student
Peter Hofner New Mexico Tech phofner@nrao.edu 505­835­2961 no
Service Observing Request Remot e Observing Request
X None No
All of the observing run. Maybe
Part of the observing run. X Yes
Queue Observing
Instrument Setup
C
Atmospheric Observation Instruments:
1

Special Equipment or setup: none
RFI Considerations
Frequency Ranges Planned
4820 ­ 4880 MHz
2