2nd generation of TNG instruments
according to the prescription of the Gruppo Istruttorio per il TNG
 NICS 2
 UV-optimized spectrograph
 high resolution IR spectrograph
call for proposal: deadline November 2002
project presentation: March 2003
GIANO approved to phase A: July 2003: 50,000 euro assigned
 GIANO Preliminary Design Review:
December 2003
requirements: wide spectral coverage, ultra-stable, fast track, low-cost
slits : 0.5”, 0.75”, 1.0”, 1.5”
HR : 16,000 (1.5” )
50,000 (0.5” )
slit length: 6.5”, 56 orders, 0.9 – 2.5 m
LR/VLR : 130 (1.5” )
1,000 (0.5” )
slit length: 30”, 26/16 orders, 0.7 – 2.5 m
polarimetric
unit
Osservatorio di Bologna
• management & administration
• scientific coordination
• high - level software, WEB page
People:
Centro Galileo Galilei
• management & procurement
• integration at the telescope
People:
E.Oliva, F.Ghinassi, M.Lodi
L.Origlia, E.Rossetti, P.Montegriffo,
M.Lolli, A.Piccioni, R.Abicca, A.Caiulo
Osservatorio di Catania
• pre-slit optics
• polarimetry
People:
F.Leone, S.Scuderi, P.Bruno
Osservatorio di Arcetri
• optics, mechanics, cryogenics
• electronics & low-level software
• scientific coordination
People:
S.Gennari, V.Biliotti, C.Baffa, R.Maiolino,
C.DelVecchio, E.Giani, A.Checcucci, G.Falcini
INOA di Firenze
• absorption cells
People: F.D’Amato
man power …
@29 man yrs
@ 23 people
expected cost …
@30% array
650 K$ + 650 Keuro
@2 yrs for
array delivery
time scheduling …
@ 3 years
high instrumental efficiencies
HR : 17% , LR : 23% ,
VLR : 26%
limiting magnitudes
(conservative, based on real arrays)
HR (R=25,000, 4hr, S/N=10)
17.1
in J,
16.6
in H &
… 2MASS
15.4
in K
LR (R=500, 4hr, S/N=10)
20
in
J , 19 in H , 18
…UKIDSS
in
K
high resolution
Gemini
South
Keck II
Mauna Kea
Phoenix
ESO VLT
Paranal
CRIRES …from 2005…
NIRSPEC in echelle mode
• single order echelle
• range: 0.8 – 2.5 mm
• R=75,000 with 0.17” slit
• slit lenght: 60”
• coverage: @ 200 Å
• array: InSb 10242
• range: 0.9 – 5.5 mm
• R=25,000 with 0.4” slit
• slit lenght: 8”-12”
• coverage: @ 2000 Å
• array: InSb 10242
narrow slits & coverage,
single lines
of bright stars
Rmax @ 33,000
poorly stable
• single order echelle
• range: 1 – 5 mm
• R=20,000 with 1” slit
• slit lenght: 50”
• coverage: @ 250 Å
• array mosaic: 3 InSb 10242
narrow coverage,
single lines
GIANO highly competitive!
low resolution
TNG
La Palma
NICS + AMICI:
• range: 0.8 – 2.5 mm
• R=50 with 1” slit
• slit lenght: 4’
• array: HgCdTe 10242
SEDs, no lines
high resolution …
1000 AU
high-z
100 pc
5 kpc
5 Mpc
50 Mpc
low resolution …
10 AU
100 pc
500 Mpc
high-z