8.5.1 STIS Central Wavelengths
There are many central wavelength settings allowed for HST's STIS. This article provides a list of those central wavelengths for the Astronomer's Proposal Tool (APT). |
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Format definitions
Boldface type indicates the name of an APT parameter or a value for a parameter.
Black text indicates an important note.
Magenta text indicates available but unsupported parameters (requires prior approval from STScI).
Red text indicates restricted parameters (for STScI use only).
Brown text indicates text file parameters.
Items in brackets - <value> - are required values.
Items in square brackets - [<value>] - are optional.
Table 8.2: Supported Central Wavelengths for STIS Gratings Spectral
| Spectral Element | Central Wavelength (Angstroms) |
|---|---|
| E140H | 1234, 1271, 1307, 1343, 1380, 1416, 1453, 1489, 1526, 1562, 1598 |
| E140M | 1425 |
| E230H | 1763, 1813, 1863, 1913, 1963, 2013, 2063, 2113, 2163, 2213, 2263, 2313, 2363, 2413, 2463, 2513, 2563, 2613, 2663, 2713, 2762, 2812, 2862, 2912, 2962, 3012 |
| E230M | 1978, 2124, 2269, 2415, 2561, 2707 |
| G140L | 1425 |
| G140M | 1173, 1218, 1222, 1272, 1321, 1371, 1387, 1400, 1420, 1470, 1518, 1540, 1550, 1567, 1616, 1640, 1665, 1714 |
| G230L | 2376 |
| G230LB | 2375 |
| G230M | 1687, 1769, 1851, 1884, 1933, 2014, 2095, 2176, 2257, 2338, 2419, 2499, 2579, 2600, 2659, 2739, 2800, 2818, 2828, 2898, 2977, 3055 |
| G230MB | 1713, 1854, 1995, 2135, 2276, 2416, 2557, 2697, 2794, 2836, 2976, 3115 |
| G430L | 4300 |
| G430M | 3165, 3305, 3423, 3680, 3843, 3936, 4194, 4451, 4706, 4781, 4961, 5093, 5216, 5471 |
| G750L | 7751 |
| G750M | 5734, 6094, 6252, 6581, 6768, 7283, 7795, 8311, 8561, 8825, 9286, 9336, 9806, 9851 |
Table 8.3: Available but unsupported Wavelengths for STIS Gratings.
Table 8.4: Wavelengths for Restricted Gratings.
Related Links
8.5.2 STIS Internal Calibration Targets
8.5.3 STIS Coordinate Systems
8.5.4 The Official STIS Aperture List