- 追加された行はこの色です。
- 削除された行はこの色です。
[[NIC-Top]]に戻る
//#ref(nic_performance.png)
* 基本性能 [#r9b4a2f7]
| | ''Unit'' | ''J'' | ''H'' | ''Ks'' | ''Remarks, reference'' |
| ''Conversion factor'' | e-/ADU | 9.2+/-0.2| 9.8 +/-0.2 | 9.4 +/- 0.2 | 1) |
| ''Readout noise'' | e- | 50+/-4| 74 +/-4 | 83 +/- 5 | x1 readout mode, 1) |
| | | ~10| ~10 | ~10 | x8 readout mode, 1) |
| ''Linearity limit'' | ADU | ~8,000 | ~8,000 | ~8,000 | 1) |
| ''Field of view'' | arcmin^2 | 2.73 x 2.73 | 2.73 x 2.73 | 2.73 x 2.73 | 1) |
| ''Pixel scale'' | arcsec/pix | 0.16 | 0.16 | 0.16 | 1) |
| ''Limiting magnitude'' | mag | 18.9 | 19.0 | 18.0 | x8 readout mode, 120 sec x 10 dither, S/N=10. 2) |
| ''Photometry precision'' | mag | 0.0014 | 0.005 | 0.011 | 10 sec x 10 dither x 26 set, 1) |
||||||Right:|c
| |CENTER: ''Unit'' |CENTER: ''J'' |CENTER: ''H'' |CENTER: ''Ks'' |''Remarks, reference'' |h
| ''Conversion factor'' |CENTER: e-/ADU |CENTER: 9.2+/-0.2|CENTER: 9.8 +/-0.2 |CENTER: 9.4 +/- 0.2 | 1) |
| ''Readout noise'' |CENTER: e- |CENTER: 50+/-4|CENTER: 74 +/-4 |CENTER: 83 +/- 5 | x1 readout mode, 1) |
| | |CENTER: ~10|CENTER: ~10 |CENTER: ~10 | x8 readout mode, 1) |
| ''Linearity limit'' |CENTER: ADU |CENTER: ~8,000 |CENTER: ~8,000 |CENTER: ~8,000 |Incl. the counts before the first read., 1) |
| ''Field of view'' |CENTER: arcmin^2 |CENTER: 2.73x2.73 |CENTER: 2.73x2.73 |CENTER: 2.73x2.73 | 1) |
| ''Pixel scale'' |CENTER: arcsec/pix |CENTER: 0.16 |CENTER: 0.16 |CENTER: 0.16 | 1) |
| ''Limiting magnitude'' |CENTER: mag |CENTER: 18.9 |CENTER: 19.0 |CENTER: 18.0 | 120 sec x 10 dither, S/N=10. |
| | | | | | x8 readout mode, 2) |
| ''Photometry precision'' |CENTER: mag |CENTER: 0.014 |CENTER: 0.005 |CENTER: 0.011 | 10 sec x 10 dither x 26 set, 1) |
| | | | | | Ref: J=10.8, H=10.2, Ks=9.9|
| | | | | | Obj: J=11.2, H=10.7, Ks=10.6|
** 補足 [#yddf0365]
観測所要時間（読み出し含む）は、露出時間+約13秒（1回読み出しモード）~
** References [#x7c06f77]
-1) [[Ishiguro et al.(2011)>http://www.nhao.jp/nhao/researches/annualreport/docs/ar2011-3.pdf]]
-2) 高橋 レポート(2013)
#ref(NIC_LimitMag201307.pdf)
