Tips for HSC data¶
In case you have no data for detrend¶
The data for detrend have been released regardless of proposal ID. So you can donwnload the Bias or Flat data from STARS, if you did not take it during your observation. The following example is to search for the data to make detrend. Please login to STARS, then go to first step.
1. Specify the range of date¶
Select Proposal_ID Instrument in [Search by] tab, then choose your proposal ID. You can confirm all data you have taken in the proposal ID. Figure 1 shows that there are 80752 data. Next, specify the start/end date which you want to take data for detrend in Calibration Date Range (Red box in Fig 1).
2. Add search filter¶
When you click Show Extra Parameters below search box (Blue box in Fig 1), boxes for detailed search filter are shown (Blue box in Fig2). Specify “DATA-TYP” and “FILTER01” (if you need) of the data that you want to use for detrend. In the below case, the example of searching “DATA-TYP = DOMEFLAT” for “FILTER01 = HSC-i” is shown.
After you finish adding search filter, click [Search].
Fig 1. Saercing box in STARS
Fig 2. Detailed search box in STARS
3. Confirm the results and request data download¶
If there are appropriate data, the results are shown at the bottom right of search box (Green box in Fig 3). In addition, please check the number of data taken in the proposal ID is 0. After confirmation, download them to your PC. Please refer to this page to download the data.
Fig 3. Results of STARS