THE FORBIDDEN SIDE
OF HIGH-Z UNIVERSE
Roberto DecarliFabian Walter, Jackie Hodge, Elisabete da Cunha, Bram Venemans, Livia Vallini, Jorge Gonzalez,Axel Weiss, Dominik Riechers,Roberto Neri, Pierre Cox, Chris Carilli, Roberto Maiolino
ISM PROBES AT LOW-Z
Wavelength
[NII] (6584 Ang)
[SII] (6731 Ang)[OI] (6300 Ang)
Flu
x
[OIII] (5008 Ang)
[OII] (3727 Ang)
Orion, z=0
ISM PROBES AT HIGH-Z
Wavelength
[NII] (52672 Ang)
[SII] (53848 Ang)[OI] (50400 Ang)
Flu
x
[OIII] (40064 Ang)
[OII] (29816 Ang)
Orion, z=7
ISM PROBES AT MM WAVELENGTHS
CO
Band 3
Band 2
Band 4
Band 1
PdBI
Band 3
Band 6
Band 7
ALMA[CII] [NII][OI]
[OIII][CI]
ISM PROBES AT MM WAVELENGTHS
[CII]
J1148(2005)
J033229.4(2011)
BRI1202N(2006)
ID141(2011)
BRI1335(2010)BRI0952
(2009)
HD
F850.1
J1120
Him
iko
IOK-1
GR
B090423
HDF850.1RD, et al., in prep. Full scan of the
3mm band on the HDFN
Blind CO search
11 “high-quality” line candidates
HDF850.1
HDF850.1
Walter, RD, et al., (2012) Nature
One of the highest-z [CII] detection in a SMG: z=5.183
HDF850.1
0.3” res [CII] image reveals an on-going merger at z=5.2
[CII], blue [CII], red
Neri et al., in prep.
0.3” = 1.8 kpc
J1120+0641
Redshift record holder (among QSOs): z=7.085
Mortlock et al., 2011
[CII] @ Z=7.085
Most distant [CII] detection
SFR~160-440 Mo/yr
Mdust ~ 7-60e7 Mo
Mdyn < 1.4e11 Mo
Venemans et al., 2012
[CII] Continuum
[CII] IN LAES AND GRB HOSTSNo continuum / [CII] detection
SFRFIR < 40-70 Mo/yr (3-s) ~ 2-3 x SFRUV (uncorr.)
Walter et al., 2012; Gonzalez et al., in prep.
Himiko (z=6.595)
IOK-1 (z=6.960)
[CII] IN LAES AND GRB HOSTSNo continuum / [CII] detection
SFRFIR < 40-70 Mo/yr (3-s) ~ 2-3 x SFRUV (uncorr.)
Walter et al., 2012; Gonzalez et al., in prep.
NOT EVEN WITH ALMA??ALMA observations of IOK-1 (PI: Ota)
(see also Ouchi et al. 2013 on Himiko)
Line Continuum
GAS PROBES AT MM WAVELENGTHS
HLSJ0918(2012)
J033229.4(2012)
SMMJ02399(2011)
[NII]
MM
18243
AP
M0827
HD
F850.
1
ID141
PSS
2322
Cloverleaf(2011)
GN
20
BR
1202-
N/S
[NII] AT HIGH-Z
Decarli et al. 2012,13
Targeted [NII] where feasible
[NII] detected in 5 sources (out of 8)
Decarli et al. 2013
Carilli et al. 2013
Bridge
QSO
SMG
LAE-S
LAE-N
BR1202-0725
[NII] COOLINGDecarli et al. 2012,13
L[NII]/LFIR ~ 0.0001
[NII] IN MM18423+59381mm continuum [NII]
[NII] – cont – CO[NII] vel gradient
[NII] IN MM18423+5938
First resolved Schmidt-Kennicutt law at high-z!
Decarli et al. 2012
CONCLUSIONS
[CII] is now “routinely” observed in FIR-bright, high-z galaxies – but not (yet) in more “normal” galaxies
[NII] is also detected for the first time in high-z galaxies
Need to increase sample sizes and line coverage
[NII] / [CII] << 10 in SMGs and QSOs, up to ~0.5 in LAEs
ID.18A BLIND LINE DETECTION …
ID.18
0.44 mm 0.61 mm 0.85 mm
1.25 mm 1.60 mm 3.6 mm
5.8 mm 24 mm 100 mm
20”
… WITH NO COUNTERPART …
CO(3-2) at z=2.07 in an otherwise “dark” galaxy
(or [CII] at z=15.87 – ask Fred)
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