Narrow- and medium-band filters, 8000 A and redward

Mount Hamilton Filter List

Narrow and Medium-band Filters
redward of 8000 Angstroms,
kept at the 3-meter

Central
Wavelength FWHM Notes Measured
Wavelength/Width^d

8000 100 Plot, Table^a, 2-inch round filter, very thick. 8004/97

8038 90 Plot, Table^a 8044/79

8040 600 Plot, Table^a, chips in opposite corners on mirrored side. Very thin filter. 8035/675

8091 90 Plot, Table^a 8096/89

8145 92 Plot, Table^a 8148/88

8225 90 Borrowed. Never Returned. Borrower unknown.

8470 55 Plot, Table^a 8472/55

8478 100 Plot, Table^a 8478/100

8570 90 Borrowed in 2005 by Arjun Dey. Never Returned.

8730 90 Plot, Table^a 8735/100

8750 650 Borrowed in 1997 by Chris Simpson & Dan Stern. Never returned.

8800 250 Plot, Table^a, labeled CH4 Mike Brown. 872/263

8950 90 Plot, Table^a 8950/89

9000 400 Plot, Table^a, labeled Corion 9039/325

9070 100 Plot, Table^a 9078/90

9160 100 Plot, Table^a 9152/97

9230 100 Plot, Table^a 9231/83

Central Wavelength	FWHM	Notes	Measured Wavelength/Width^d
8000	100	Plot, Table^a, 2-inch round filter, very thick.	8004/97
8038	90	Plot, Table^a	8044/79
8040	600	Plot, Table^a, chips in opposite corners on mirrored side. Very thin filter.	8035/675
8091	90	Plot, Table^a	8096/89
8145	92	Plot, Table^a	8148/88
8225	90	Borrowed. Never Returned. Borrower unknown.
8470	55	Plot, Table^a	8472/55
8478	100	Plot, Table^a	8478/100
8570	90	Borrowed in 2005 by Arjun Dey. Never Returned.
8730	90	Plot, Table^a	8735/100
8750	650	Borrowed in 1997 by Chris Simpson & Dan Stern. Never returned.
8800	250	Plot, Table^a, labeled CH4 Mike Brown.	872/263
8950	90	Plot, Table^a	8950/89
9000	400	Plot, Table^a, labeled Corion	9039/325
9070	100	Plot, Table^a	9078/90
9160	100	Plot, Table^a	9152/97
9230	100	Plot, Table^a	9231/83

PREVIOUS (7500-7999)

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