Tentative line list
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Tentative line list (based on proposed use cases). Prominences 587.6 He I (D 3 ) 656.3 Hα 854.2 Ca II 1083.0 He I. Filaments 656.3 854.2 1083.0 1565.0 Fe I. Photosphere/Chromosphere 517.3 Mg I (b 2 ) 630.2 Fe I 854.2

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Tentative line list (based on proposed use cases)

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Tentative line list based on proposed use cases

Tentative line list

(based on proposed use cases)

Prominences

587.6 He I (D3)

656.3 Hα

854.2 Ca II

1083.0 He I

Filaments

656.3

854.2

1083.0

1565.0 Fe I

Photosphere/Chromosphere

517.3 Mg I (b2)

630.2 Fe I

854.2

1083.0

1565.0

Photosphere

517.3

525.0 Fe I

630.2

1565.0

Other lines of interest

(e.g., accessible with a versatile grating in a fixed-beam configuration)

393.3 Ca II (K)589.0 Na I (D2)

396.8 Ca II (H)589.6 Na I (D1)

460.7 Sr I849.8 Ca II

486.1 Hβ866.2 Ca II

518.4 Mg I (b1)874.1 Mn I

553.8 Mn I

more lines, anyone?


Tentative line list based on proposed use cases

z = incoming radiation

 = outgoing radiation

n = grating normal

 = blaze angle

]z=+


Tentative line list based on proposed use cases

ViSP potential gratings

Prominence use case

NSO2 308.57 52.0 -59.9

587.6 8 -24.0 0.068 961597

656.3 8 -10.8 0.537 868409

854.2 6 -14.1 0.962 902085

1083.0 5 -6.1 0.407 808715

ruling 

Custom 404.92 57.4 -66.6

587.6 7 -18.2 0.999 1443490

656.3 6 -24.0 0.646 1532428

854.2 5 -12.3 0.726 1318510

1083.0 4 -9.8 0.670 1254960

ma+beffK

Filament use case

53-*-423E 175.56 32.0 -37.8

656.3 9 -12.8 0.912 310601

854.2 7 -12.0 0.996 312314

1083.0 6 -6.0 0.375 320480

1565.0 4 -8.8 0.895 317665

Custom 292.53 50.0 -56.6

656.3 8 -12.1 0.967 745091

854.2 6 -14.9 0.952 762262

1083.0 5 -8.1 0.765 713720

1565.0 3 -24.0 0.568 787278

Photosphere/Chromosphere use case

53-*-423E 175.56 32.0 -40.5Custom 251.84 59.0 -65.7

517.3 11 -20.0 0.287 333376 517.3 13 -14.2 0.954 1283565

630.2 10 -13.2 0.287 350491 630.2 11 -9.1 0.471 1170423

854.2 7 -16.8 1.000 342620 854.2 8 -11.6 0.940 1228894

1083.0 5 -22.9 0.346 322893 1083.0 6 -19.2 0.621 1371016

1565.0 4 -13.7 0.872 349626 1565.0 4 -24.0 0.469 1432163


Tentative line list based on proposed use cases

A universal grating for a fixed beam?

(work in progress)

153.0 line/mm, j =12.3, a+b = -15.5

Problem: low K →poor resolution


Tentative line list based on proposed use cases

Polarimetry with ViSP

Modulator:spinning “block” of 3 fixed retarders


Tentative line list based on proposed use cases

Polarimetry with ViSP

Modulator:spinning “block” of 3 fixed retarders


Tentative line list based on proposed use cases

Polarimetry with ViSP

Modulator:spinning “block” of 4 fixed retarders


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