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#author("2021-08-03T16:52:04+09:00","default:astewww","astewww")
#author("2021-10-03T17:43:37+09:00","default:astewww","astewww")
[[ASTE Wiki]]

* Demo [CI](3P2-3P1) maps of a massive star forming region RCW38 [#hde09898]

:Last update|
-- 2021-08-03 released.
//-- 2021-07-02 CI images were added.
//-- 2021-04-02 created.

:Table of contents|
#contents

----

** Data archive [#q113d8ca]
- Demo science observations toward RCW38 with [CI] are on-going.
- Since the observations are still on the way, observation data are not opened yet.
- If you want to access the data, please contact with "[[''ASTE Helpdesk''>https://www.nro.nao.ac.jp/~nro45mrt/html/helpdesk/inquiry_form.html]]".

** Data information [#je8cebb2]
| Target              | RCW38 |
| Observation date    | 2019/11 |
| Receiver            | CAT10 (DSB) |
| Spectrometer        | WHSF (FX mode) |
| Mode                | OTF mapping |
| Target line         | [CI](3P2-3P1) |
| Frequency           | 809.341970 GHz |
| Bandwidth           | 1024 MHz |
| Channel spacing     | 0.5 MHz |
| Velocity resolution | smoothed to 0.5 km/s |
| Beam size (FWHM)    | 12.6 arcsec x 13.1 arcsec (after convolution with the spheroidal function) |
| Mapping size        | 6 arcmin x 4 arcmin |
| Total mapping time  | ~4 hrs |
| Tsys                | 2000 K at the zenith |
| PWV                 | ~0.5 - 0.8 mm |

//** Data calibration
//- Absolute calibration

** Sample image [#mcd3ae65]

- [CI](3P2-3P1)
#br
|BGCOLOR(#FFFFFF):CENTER: |BGCOLOR(#FFFFFF):CENTER: |c
|BGCOLOR(#D0D8E0): [CI] - Integrated intensity map |BGCOLOR(#D0D8E0): [CI] - Peak intensity map |
|&ref(20210303RCW38CI.mom0.jpg,,50%);|&ref(20210303RCW38CI.peak.jpg,,50%);|
|LEFT: - Integrated v_LSR range = -5 km/s ~ +15 km/s||
|BGCOLOR(#D0D8E0): [CI] - RMS map ||
|&ref(20210303RCW38CI.rms.jpg,,50%);|~|
|LEFT: - RMS v_LSR range = -10 km/s ~ -5 km/s|~|
-
-- Note that non-uniform noise levels can be seen in the RMS map.

** Acknowledgement and references in publications [#i7fa1456]

*** Acknowledgement [#y1fd402a]
- Please include the following statement in the acknowledgement, when you publish your studies using the ASTE demo science data:
#br
The ASTE demo science data collection was partially supported by JSPS KAKENHI Grant No. 18H03725.

*** References [#tf1eab4d]
- No reference is available yet.
- Band10 receiver
-- Ito, T., et al. 2020, Proc. SPIE, 114533Q
- CSV of the Band10 receiver
-- Kamazaki, T., et al. 2020, Proc. SPIE, 114533X
//- Please include the following paper for the reference to the ASTE demo science data.
//#br
//Izumi, N. et al. 2001, PASJ, 73, 174