AAT / AAOmega

S

3.9

3.14

392 fibres

1300 - 8000

2006

AAT / Hermes

S

3.9

3.14

392 fibres

28000

2012

GMT / GMACS

N

21.9

0.05

400 fibres

1500-5000

2025?

GTC / GO-IRS

N

10.4

0.05

1000 fibres

2000 - 20000

Proposed

HET / VIRUS

N

10

0.09

150 IFUs

500

2016

LAMOST

N

4.0

19.6

4000 fibres

1000, 10000

2009?

Mayall / BigBOSS

N

3.8

7.07

5000 fibres

5000

2020

MMT / HECTOSPEC

N

6.5

0.79

300 fibres

1000

2003

CFHT / MSE

N

10

1.5

3200 fibres

2000 - 20,000

Proposed

VISTA / 4MOST

S

3.7

4

2400 fibres

2400

2023?

SDSS-III / BOSS

N

2.5

7.07

1000 fibres

1600 - 2700

2009

Subaru / PFS

N

8.2

1.78

2400 fibres

2000 - 5000

2021?

Subaru /FMOS

N

8.2

0.2

400 fibres

600/3000

2011

VLT / MOONS

S

8.2

0.14

500+500 fibres

4000 - 20000

2022?

WHT / WEAVE

N

4.2

3.14

1000 fibres

5000, 20000

2021

Blanco, Mayall / HYDRA

S

4.0

0.3

~138

5000

1998

E-ELT / MOSAIC

S

39

0.01

300

5000 - 20000

2032?

GEMINI / GMOS

N/S

8.1

0.007

100s slits

4000 - 9000

2001/3

HET / HETDEX

N

9

0.108

145 fibre 
bundles

1000

2015

Keck / Deimos

N

9.8

0.08

~ 100 slitlets

5000

2002

VLT / FLAMES

S

8.2

0.126

130 fibres

5000 - 30000

2003

VLT / VIMOS

S

8.2

0.063

200 - 800 slits

200 - 2500

2003

WHT / AF2

N

4.2

0.785

150 fibres

100 - 9500

1994

WIYN / HydraW

N

3.5

0.78

100 fibres

1000 - 10000

1994

CAHA / MOSCA

N

3.5

0.04

? slits

~3000

1996

GMT / NIRMOS

N

21.5

0.010

50 slits

3000

2025?

GTC / EMIR

N

10.4

0.007

50 slits

4000

2016

GTC / MEGARA

N

10.4

0.0034

100 fibre bundles

5000 - 19000

2017

GTC / OSIRIS

N

10.4

0.012

30 slits

250 - 3000

2013

LBT / LUCI

N

2x8.4

0.004

Up to 33 masks

~2000-~8500

2008

Keck / MOSFIRE

N

9.8

0.010

46 slits

~3600

2011

VLT / FORS

S

8.2

0.013

19 slits

260 - 2600

1999

VLT / KMOS

S

8.2

0.011

24 IFUs

~3000-4000

2012

WHT / LIRIS

N

4.2

0.005

25 slits

700 - 2500

2005