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“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Subaru Instruments, Science, & Future Masanori Iye (National Astron. Obs.) 1990(Site for Subaru),1995(GTC review),1997(Obs WHT), 2009
1 ) Subaru Intrument Suite - Parameter space coverage, - Operational Aids 2 ) Science Achievements - Probing the cosmic dawn – - Study on GRB – Hypernovae connection 3 ) LGSAO and Wide field instruments - Subaru’s future in the ELT era
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Subaru Telescope History ・ Design Study : 1984-1990 ・ Construction : 1991-1999 ・ Engineering FL : Jan.1999 ・ Open operation : Dec.2000-Cost ・ ~300MEuro for construction,
~20MEuro/yrScience (last five years) ・ proposal award rate 1/3 => 80
refereed papers/yr
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Subaru Telescope image size statistics
FWHM size distribution
すばる 岡山
Best image w/o AO
▼
0.“65 Median
Okayama 2.“2
Kiso 2.”7
1 arcsec = 5 μradλ / D=0.06 arcsec (@λ=2μ) =0.015arcsec(@λ=0.5μ)
Miyashita et al.
Best image ~ 0”2 ( K 、R ) Median seeing ~ 0”6 (R)
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Instrument Phase Space (2009)
Wavelength
Wav
elen
gth
res
olu
tio
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“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Operational Aids8 instruments at 4 foci, 5(7) top units : 4 M2s, Suprime-Cam, (LGSLT, FMOS)
Semi-robotic Exchangers
Suprime-Cam, (FMOS)
AO188, IRCS, (HiCIAO)
FOCAS, MIRCS, CIAO, COMICS
HDS
M2 (Opt-Cs, Opt-Ns, IR-Ns, IR tip-tilt)
Many massive components
to exchange!
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Cassegrain Instrment Exchanger
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Top Unit Exchanger System
show Exchange_topunit_256.wmv
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
2. Science Achievements
1) High redshift galaxies Narrow-band imaging to survey for Lyman Alpha Emitters
2) Hypernova – GRB connection Spectrophotometry of core-collapse SNe
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
4 m telescopes
redshift8 m telescope
CCD
World record of the most distant galaxies
IOK-1 ( Iye et al. Nature 2006)
R
edsh
ift
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
The most distant galaxy 12.8 Gyr ago (z=6.964).Iye et al. 2006, Nature, 443, 186
1 / 41,533
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Guinness record (for 1052 days )* New record will arrive at 95% confidence level at earliest in 27 days and at latest in 112 years.
@July 25, 2009
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Cosmic Dawn
LAEs are decreasing in number from z=5.7, z=6.6, to z=7.0 => Due to intergalactic absorption fo Lyman α photons by neutral hydrogen.
End of re-inoization
Beginning of reionization
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Connection of GRB and Hypernovae
SN 2002apNo GRBHypernovaPolarized SED
shows high velocity
Asymmetric Explosion
jet
GRB
Jet
SN 2003dh/GRB 030329
SN 2002ap
Polarized Scattered Light
SN 2003dh/GRB 030329 Jet along the l-o-s.Hypernova epoch
back-dating coincided with GRB event
No polarization
Jet visible only from its direction
Kawabata, Mazzali,….
Polarimetric Spectroscopy
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Adaptive Optics and Subaru’s
future
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
188 element AO: first NGSAO image
θ1 Ori C
With 188 NGSAO (2006)
Orion Trapezium IR image
Without AO (1999)
6M$ LGSAO improved the image quality of 400M$ telescope by 10 times.
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Subaru LGSAO system
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Sum-frequency laser
13.5W(1064)+5.0W(1319)=>PPMgO:SLT=> 6.4W(NaD2)
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
LGSAO 2nd light movie
LGSAO-video : replay from 08:20
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Wide Field Instruments
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Hyper Suprime Cam (HSC) : 1.5d FOV
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
FMOS : 400 fibers in NIR
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
WFMOS: 4000 fibers, optical
ASPEN intiativeWide field multi 103.5 fiber spectrograph for cosmology and Galactic archeology. (BAO, Dark energy,..)
Gemini borad cancellation of WFMOS funding
NAOJ fund raising effort for HFMOS …
“Subaru instruments, science, & future”, M. Iye (NAOJ), 25.07.2009 @ La Palma
Subaru Synergy with TMT・ TMT chose MK.・ Subaru is
prepared to strengthen its wide field survey capability with HSC (+HFMOS?) for the ELT era.・ Time sharing
among 8m class telescopes to be arranged.
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