Narrow- and medium-band filters, 7000 to 7499 A

Mount Hamilton Filter List

Narrow and Medium-band Filters
from 7000 to 7499 Angstroms,
kept at the 3-meter

Central
Wavelength FWHM Notes Measured
Wavelength/Width^d

7000 400 Borrowed in 1997 by Chris Simpson & Dan Stern. Never returned.

7007 79 Plot,Table^a 7005/66

7025 230 Plot, Table^c, 1.5-inch round filter. Periphery degraded, central 1.5 cm ok. 7025/210

7053 79 Plot,Table^a, smudge on mirrored side. Periphery degraded, central 1 inch ok. 7055/62

7099 80 Plot,Table^a 7105/74

7141 50 Plot,Table^a, two fingerprints on mirrored side. 7142/46

7146 80 Plot,Table^a, partial fingerprints on mirrored side. 7147/74

7193 80 Plot,Table^a, periphery degraded, central 1 inch ok. 7195/68

7240 82 Plot,Table^a 7244/66

7246 50 Plot,Table^a, periphery degraded, central 3 cm ok. 7238/48

7250 500 Plot,Table^a, crack on edge on mirrored side. 7271/466

7288 82 Plot,Table^a 7292/70

7336 82 Plot,Table^a 7342/68

7384 84 Plot,Table^a 7394/74

7400 - Plot, Table. High pass filter.

7433 84 Plot,Table^a 7435/69

7482 84 Plot,Table^a 7481/70

Central Wavelength	FWHM	Notes	Measured Wavelength/Width^d
7000	400	Borrowed in 1997 by Chris Simpson & Dan Stern. Never returned.
7007	79	Plot,Table^a	7005/66
7025	230	Plot, Table^c, 1.5-inch round filter. Periphery degraded, central 1.5 cm ok.	7025/210
7053	79	Plot,Table^a, smudge on mirrored side. Periphery degraded, central 1 inch ok.	7055/62
7099	80	Plot,Table^a	7105/74
7141	50	Plot,Table^a, two fingerprints on mirrored side.	7142/46
7146	80	Plot,Table^a, partial fingerprints on mirrored side.	7147/74
7193	80	Plot,Table^a, periphery degraded, central 1 inch ok.	7195/68
7240	82	Plot,Table^a	7244/66
7246	50	Plot,Table^a, periphery degraded, central 3 cm ok.	7238/48
7250	500	Plot,Table^a, crack on edge on mirrored side.	7271/466
7288	82	Plot,Table^a	7292/70
7336	82	Plot,Table^a	7342/68
7384	84	Plot,Table^a	7394/74
7400	-	Plot, Table. High pass filter.
7433	84	Plot,Table^a	7435/69
7482	84	Plot,Table^a	7481/70

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^aMeasured by M. Clendenin, 2012.
^cMeasured by B. Dupraw, 2012.
^dGaussian fit to 2012 plot.