Before taking a look at the numbers in the following table, please remember a few things:
There are throughput measurements for the following configurations:
Wavelength (Å) | Order | Gecko Optics |
Filter or Grism |
THROUGHPUT (e-/col/sec) |
Notes |
---|---|---|---|---|---|
8660 | 6 | RED | 1814 | 17840 | Vega |
7773 | 7 | RED | 1704 | 39400 | Omi Her and Vega |
7700 | 7 | RED | 1704 | 36810 | Vega |
6707 | 8 | RED | 1626 | 76000-90000 | Omi Her and Vega |
6565 | 9 | RED | 1617 | 14750 | Vega |
6428 | 9 | RED | 1617 | 36030 | Vega |
6286 | 9 | RED | RED | 47390 | Vega |
6150 | 9 | RED | RED | 76200 | Omi Her and Vega |
5957 | 9 | RED | 1521 | 97800 | Omi Her and Vega |
5890 | 9 | RED | 1519 | 78360 | |
5890 | 9 | RED | 1521 | 94533 | Vega |
5786 | 10 | RED | 1521 | 42000 | Omi Her and Vega |
5657 | 10 | RED | RED | 64400 | Vega |
5143 | 11 | RED | Blue | 78000 | Vega |
4860 | 12 | RED | Blue | 17030 | Vega |
4352 | 13 | RED | Blue | 29410 | Vega |
4040 | 14 | UV | UV | 6500-7200 | July 2001; 2 stars, 2 nights, 2 measurements |
3950 | 15 | RED | UV | 23630 | Vega |
3947 | 14 | UV | UV | 22500 | July 2001; 2 stars, 4 measurements, 3 nights |
3930 | 14 | UV | UV | 10000-14000 | July 2001; 2 stars, 2 measurements, 2 nights |
3772 | 15 | UV | UV | 5264 | HR39, Sep 14 2000 |
3635 | 16 | UV | UV | 350-600 | July 2001; 3 stars, 2 nights, 3 measurements |
3536 | 16 | UV | UV | 2242 | HR39, Sep 14 2000 |
3328 | 17 | UV | UV | 949 | HR39, Sep 14 2000 |
3130 | 18 | UV | UV | 168 | HR39, Sep 14 2000 |
Wavelength (Å) | Order | Gecko Optics |
Filter or Grism |
THROUGHPUT (e-/col/sec) |
Notes |
---|---|---|---|---|---|
8082 | center of 7 | RED | RED | 11000 | 2 stars |
7281 | 8 | RED | 1711 | 150002000 | 3 stars | 7281 | 8 | RED | filter | 15000-30000? | 2 stars, 2 results? |
7072 | center of 8 | RED | RED | 20900 | 2 stars |
6707 | 8 | RED | RED | 75000 | 2 stars |
6675 | 8 | RED | RED | 42000 | 1 star + cirrus |
6645 | 8 | RED | 1617 | 33000-45000 | 2 stars |
6600 | 8 | RED | RED | 40000 | 1 star + cirrus? |
6562 | 8 | RED | RED | 35000 | |
6335 | 9 | RED | RED | 70400 | 2 stars |
6330 | 9 | RED | 1604 | 40000 | 4 stars |
6330 | 9 | RED | 1604 | 34777 | Xi Ori |
6330 | 9 | RED | RED | 29201 | Xi Ori |
6286 | center of 9 | RED | RED | 29500 | 3 stars |
6150 | 9 | RED | RED | 35000-45000 | 3 stars |
5657 | center of 10 | RED | BLUE | 37900 | 3 stars |
5143 | center of 11 | RED | BLUE | 44000 | 1 star |
4861 | 12 | RED | BLUE | 14600 | 2 stars |
4714 | center of 12 | RED | UV | 19700 | 2 stars |
4455 | 12 | RED | BLUE | 23000 | |
4352 | center of 13 | RED | UV | 18100 | 2 stars |
4041 | center of 14 | RED | UV | 19400 | 3 stars |
3950 | 14 | RED | UV | 11000 | 3 stars |
Wavelength (Å) | Order | Gecko Optics |
Filter or Grism |
THROUGHPUT (e-/col/sec) |
Notes |
---|---|---|---|---|---|
4100 | 14 | RED | UV | 3100 | 2 stars |
5142 | 11 | RED | BLUE | 30000 | 3 stars |
6565 | 8 | RED | 1617 | 43300 | 1 star |
7281 | 8 | RED | 1711 | 19000 | 2 stars |
8082 | 7 | RED | RED | 17000 | 2 stars |
Wavelength (Å) | Order | Gecko Optics |
Filter or Grism |
THROUGHPUT (e-/col/sec) |
Notes |
---|---|---|---|---|---|
3078 | 18 | UV | UV | 400 | 4 stars + cirrus |