MIRI Performance
point sources - surface brightness values follow at the bottom of this page
|
name |
l(microns) |
lambda/delta lambda |
detection limit, 10 sigma, 10,000 seconds |
|
| F560W | 5.6 | 5 | 0.2 microJy | |
| F770W | 7.7 | 3.5 | 0.28 microJy | |
| F1000W | 10 | 5 | 0.7 microJy | |
| F1130W | 11.3 | 16 | 1.7 microJy | |
| F1280W | 12.8 | 5 | 1.4 microJy | |
| F1500W | 15 | 5 | 1.8 microJy | |
| F1800W | 18 | 6 | 4.3 microJy | |
| F2100W | 21 | 4 | 8.6 microJy | |
| F2550W | 25.5 | 6 | 28 microJy | |
| MRS 1 | 6.4 | 3500 | 0.7 X 10-20 W m-2 | |
| MRS 2 | 9.2 | 2800 | 1.0 X 10-20 W m-2 | |
| MRS 3 | 14.5 | 2700 | 1.2 X 10-20 W m-2 | |
| MRS 4 | 22.5 | 2200 | 6 X 10-20 W m-2 | |
| LRS | 7.5 | 100 | 3 microJy |
Coronagraph Bands
| name | center wavelength (microns) | delta lambda (microns) |
| F1065C | 10.65 | 0.53 |
| F1140C | 11.40 | 0.57 |
| F1550C | 15.5 | 0.78 |
| F2300C | 23 | 4.6 |
Moderate Resolution Spectrometer Characteristics
| name, wavelength range (microns) | FOV (arcsec) | sub-band name | wavelength range (microns) | resolution |
|
Channel 1 4.86 - 7.74 |
3.0 X 3.9 |
A B C |
4.87 - 5.82 5.62 - 6.73 6.49 - 7.76 |
2450 - 3710 2450 - 3710 2450 - 3710 |
|
Channel 2 7.43 - 11.84 |
3.5 X 4.4 |
A B C |
7.45 - 8.90 8.61 - 10.28 9.94 - 11.87 |
2480 - 3690 2480 - 3690 2480 - 3690 |
|
Channel 3 11.44 - 18.20 |
5.2 X 6.2 |
A B C |
11.47 - 13.67 13.25 - 15.80 15.30 - 18.24 |
2510 - 3730 2510 - 3730 2510 - 3730 |
|
Channel 4 17.53 - 28.75 |
6.7 X 7.7 |
A B C |
17.54 - 21.10 20.44 - 24.72 23.84 - 28.82 |
2070 - 2490 2070 - 2490 2070 - 2490 |
Sensitivity vs. Wavelength
SN = 10 in 10,000 seconds, for an unresolved emission line:
Surface Brightness
|
name |
detection limit, 1- sigma per pixel, 10,000 seconds: imager pixels are 0.11" |
|
| F560W | 2.6 nJy/pixel or 0.22 microJy/ square arcsec | |
| F770W | 3.2 nJy/pixel or 0.26 microJy/ square arcsec | |
| F1000W | 6.4 nJy/pixel or 0.53 microJy/ square arcsec | |
| F1130W | 14 nJy/pixel or 1.2 microJy/ square arcsec | |
| F1280W | 10 nJy/pixel or 0.83 microJy/ square arcsec | |
| F1500W | 11.2 nJy/pixel or 0.93 microJy/ square arcsec | |
| F1800W | 23 nJy/pixel or 1.9 microJy/ square arcsec | |
| F2100W | 40 nJy/pixel or 3.3 microJy/ square arcsec | |
| F2550W | 110 nJy/pixel or 9.1 microJy/ square arcsec | |
| MRS 1 | 1.1 X 10-22 W m-2/pixel (0.2" pixels) | |
| MRS 2 | 2.0 X 10-22 W m-2/pixel (0.2" pixels) | |
| MRS 3 | 1.4 X 10-22 W m-2/pixel (0.25" pixels) | |
| MRS 4 | 5 X 10-22 W m-2/pixel (0.27" pixels) | |
Extended source performance of the MRS will be degraded if the source fills most of the IFU field.