SCORPIO grisms

SCORPIO grisms

Grisms for spectral observations (longslit, multislit, slitless)
Name lines/mm Central wavelength, A Spectral range, A Resolution, A
GR300 300 6500 3500-9500 15

GR600g 600 5300 3800-6800 8-10

GR600r 600 8100 6600-9600 8-10

GR1200g 1200 5000 4200-5800 5

VPHG1720 1720 6500 6000-7000 2.5

VPHG2310 2310 5200 4860-5600 2.2

VPHG550g 550 5100 3500-7200 10

VPHG550r 550 8000 6000-10000 10

VPHG1200g 1200 4800 4000-5700 5

VPHG1200r 1200 6600 5700-7500 5

VPHG1800r 1800 6600 6100-7200 2.5

VPHG2300g 2300 5100 4700-5500 2.2

VPHG3000b 3000 3800 3500-4100 1.5

Grisms for spectral observations (longslit, multislit, slitless)
Name	lines/mm	Central wavelength, A	Spectral range, A	Resolution, A
GR300	300	6500	3500-9500	15
GR600g	600	5300	3800-6800	8-10
GR600r	600	8100	6600-9600	8-10
GR1200g	1200	5000	4200-5800	5
VPHG1720	1720	6500	6000-7000	2.5
VPHG2310	2310	5200	4860-5600	2.2
VPHG550g	550	5100	3500-7200	10
VPHG550r	550	8000	6000-10000	10
VPHG1200g	1200	4800	4000-5700	5
VPHG1200r	1200	6600	5700-7500	5
VPHG1800r	1800	6600	6100-7200	2.5
VPHG2300g	2300	5100	4700-5500	2.2
VPHG3000b	3000	3800	3500-4100	1.5

We are grateful to Osservatorio Astronomico di Padova (specially E.Giro and P.Rafanelly) which has presented for us two volume phase holographic gratings (used in VPHG1720 and VPHG2310 grisms).