OSIRIS Spectrograph Filters, Scales and Fields of View

Filter

Shortest
Wavelength
Extracted(nm)

Longest
Wavelength
Extracted(nm)

Number of Spectral Channels

Number of Complete Spectra

Approx.
Lenslet Geometry

FOV in 0.02öá Scale

FOV in 0.035ö Scale

FOV in 0.05öá Scale


FOV in 0.10öáá Scale

Zbb

999*

1176*

1476

1019

16x64

0.32x1.28

0.56x2.24

0.8 x 3.2

1.6 x 6.4

Jbb

1180

1416*

1574

1019

16x64

0.32x1.28

0.56x2.24

0.8 x 3.2

1.6 x 6.4

Hbb

1473

1803

1651

1019

16x64

0.32x1.28

0.56x2.24

0.8 x 3.2

1.6 x 6.4

Kbb

1965

2381

1665

1019

16x64

0.32x1.28

0.56x2.24

0.8 x 3.2

1.6 x 6.4

Kcb

1965

2381

1665

1019

16x64

n/a

n/a

n/a

1.6 x 6.4

Zn4

1103

1158

459

2038

32x64

0.64x1.28

1.12x2.24

1.6 x 3.2

3.2 x 6.4

Jn1

1174

1232

388

2038

32x64

0.64x1.28

1.12x2.24

1.6 x 3.2

3.2 x 6.4

Jn2

1228

1289

408

2678

42x64

0.84x1.28

1.47x2.24

2.1 x 3.2

4.2 x 6.4

Jn3

1275

1339

428

3063

48x64

0.96x1.28

1.68x2.24

2.4 x 3.2

4.8 x 6.4

Jn4

1323

1389

441

2678

42x64

0.84x1.28

1.47x2.24

2.1 x 3.2

4.2 x 6.4

Hn1

1466

1541

376

2292

36x64

0.72x1.28

1.26x2.24

1.8 x 3.2

3.6 x 6.4

Hn2

1532

1610

391

2868

45x64

0.90x1.28

1.58x2.24

2.25x3.2

4.5 x 6.4

Hn3

1594

1676

411

3063

48x64

0.96x1.28

1.68x2.24

2.4 x 3.2

4.8 x 6.4

Hn4

1652

1737

426

2671

42x64

0.84x1.28

1.47x2.24

2.1 x 3.2

4.2 x 6.4

Hn5

1721

1808

436

2038

32x64

0.64x1.28

1.12x2.24

1.6 x 3.2

3.2 x 6.4

Kn1

1955

2055

401

2292

36x64

0.72x1.28

1.26x2.24

1.8 x 3.2

3.6 x 6.4

Kn2

2036

2141

421

2868

45x64

0.90x1.28

1.58x2.24

2.25x3.2

4.5 x 6.4

Kn3

2121

2229

433

3063

48x64

0.96x1.28

1.68x2.24

2.4 x 3.2

4.8 x 6.4

Kc3

2121

2229

433

3063

48x64

n/a

n/a

n/a

4.8 x 6.4

Kn4

2208

2320

449

2671

42x64

0.84x1.28

1.47x2.24

2.1 x 3.2

4.2 x 6.4

Kc4

2208

2320

449

2671

42x64

n/a

n/a

n/a

4.2 x 6.4

Kn5

2292

2408

465

2038

32x64

0.64x1.28

1.12x2.24

1.6 x 3.2

3.2 x 6.4

Kc5

2292

2408

465

2038

32x64

n/a

n/a

n/a

3.2 x 6.4