Tmt night

Overview of Instrument Capabilities

Instrument

TimescaleStatus

Field of view/ slit length/ pixel scale

Spectral resolution

Wavelength range (µm)

Sensitivity

InfraRed Imager and Spectrometer (IRIS) [AO feed from NFIRAOS]

First light/ Final Design

IFU 0.45x0.51”@0.004”/pix to 2.25”x4.4”@0.050”/pix

4000-8000

0.84-2.4

texp=900s, S/N=10 per channel, H=25.8, K=24.2

Imager 34”x34”@0.004”/pix

J, H, K+ narrow bands

texp=3600s, S/N=100 H=26.2, K=25.6

Wide Field Optical Spectrometer (WFOS)

First light/ Conceptual

25.5 (8.3x3) arcmin2, 500” total slit length (~62 targets with 8” slits), 0.05”/pixel

1500-5000 @0.75" slits 15,000 @0.25" slits

0.31-1.0

0.7 spectral range @R=1500

texp=5x900s, S/N=150 per element, R=3500 V=20.5

InfraRed Multi-slit Spectrometer (IRMS) [AO feed from NFIRAOS]

2nd Generation/ Concept

2’ diameter (up to 46 deployable slits)

4660

0.95-2.45

texp=1000s, S/N=10 per element, R=3270 Y=23.4, J=23.0, H=22.7, K=21.2

bMICHI - mid-IR AO Fed spectrometer imager IFU

(MIRES)

2nd Generation/ Concept

Imager: (L&M bands) 24.4x24.4”@0.011”/pix

(N band) 28.1x28.1”@0.028”/pix

10-100

Imager & spectrometer

3.4-14 (L, M, N)

(16-25 Q TBD)

 

0.1mJy@8µm gives 10s in 1hr

Spectrometer: low res 28.1” length, high res 2” length

600 & 120,000

3x10-19 W/m2@8µm gives 10s in 1hr

IFU (7.3-13.8 N only) 5x2”

1000

7.3-13.8

 

Planetary System Instrument (PSI)

Contrast 10-8@2λ/d (max 10-9)

2nd Generation/ Concept

~1” outer working angle, ~10mas inner working angle

IFU  ~5000

 

1-5

 

Imager <100

 

Multi-IFU imaging spectrometer (IRMOS) MOAO

2nd Generation/ Concept

>ten 3” IFUs over >5' diameter field

2000-10,000

0.8-2.5

texp=1 hr, S/N=10 per element, R=2000 Y=23.6, J=22.5, H=24.9, K=24.0

Near-IR AO-fed Echelle Spectrometer (NIRES) [AO feed from NFIRAOS]

2nd Generation/ Concept

2” slit

20000–100000

1-5

texp=1 hr, S/N=100 per element, R=50,000 Y=17.4, J=17.2, H=17.0, K=16.6

High-Resolution Optical Spectrometer (HROS)

2nd Generation/ Concept

5”slit

50,000 to 90,000

0.31-1.1 (1.3 goal)

texp=6 hr, S/N=100 per channel@R=100,000, M=18.9

Multi-Object Diffraction-limited High-Resolution Infrared Spectrograph (MODHIS) [AO feed from NFIRAOS]

2nd Generation/ Whitepaper

25  0.1”x0.1”collectors, @0.02” spatial sampling, 2”-5” diameter field of regard

100,000

0.95-2.5

30 cm/s

Astronomical Rapid Imager and Spectropolarimetric Explorer (ARISE)

2nd Generation/ Whitepaper

Imaging 5’x5’ @0.1”/pixel
IFU @0.1”/pixel
10 Hz full frame
100 Hz windowed

Broadband to >15000

0.31-4.8

 

 

Enquiries and questions to: instruments@tmt.org