Searching for the first blazars with the Large Millimeter Telescope and GLAST

Alberto CarramiñanaGustavo Rodríguez Liñan

Instituto Nacional de Astrofísica, Óptica y ElectrónicaTonantzintla, Puebla, México

AGNs @ Huatulco, 18-20 April 2007

The Large Millimeter Telescope

INAOE, Tonantzintla, MéxicoAlfonso Serrano (INAOE PI),

David Hughes (PS), Luis Carrasco (prev. PS), JoséGuichard (INAOE Director), Emmanuel Mendez Palma (prev. PM), Carramiñana (gives talks), Itziar Aretxaga, Esperanza Carrasco, William Wall, Miguel Chávez, Omar López Cruz, Jorge Pedraza, Carlos Martínez, Luis Villanueva, Janina Nava, Alonso Corona, …

University of Massachusetts, Amherst, Mass, US

Peter Schloerb (PI), William Irvine, Min Yun (PS), Ron Snell, Mark Heyer, Grant Wilson, James Lowenthal, Ronna Erickson, Neal Erickson, Kamal Souccar, Gopal Narayanan, Judith Young, César Arteaga, Steve Strom (formerly), Allen Langord, ...

David Smith

The Large Millimeter TelescopeEl Gran Telescopio Milimétrico

• Bi-national collaboration between INAOE and University of Massachusetts, at Amherst

• The largest single dish mm-telescope: 50 meter aperture

• The largest scientific project in Mexico ever• Largest US-MX science collaboration

• In construction at volcán Sierra Negra• Inaugurated on November 22, 2006.

22 November 2006

1996

1999

1992-1996

1998

1997

2000

2001

2002 2003

20042005 2006

2007

Mexican astrophysical facilitiesOAN (San Pedro Mártir)

0.8m, 1.5m, 2.1m optical photometry, spectroscopy (low, high, echelle), NIR

OAGH (Cananea)2.1m optical photometry,

spectroscopy (low, high), NIR (0.4m)

GTC (Canarias)10.2m optical-IR (5% MUCH better than 0!)

SPM - TWIN?

Consorcio Sierra NegraLMT: 50m (85-350 GHz)RT5: 5m (40 GHz) solarSolar neutron monitorCosmic ray array

MEXART (Coeneo, Mich.)64×64 dipole array @ 140

MHz

HAWC @ Mexico?

LMT antenna specifications• 50 m diameter aperture (2000 m2)

• Range 80 to 350 GHz (→ 0.3 to 1.4 meV) → 70 μm rms active surface (180 panels @ 20 μm)

• 5” (λ/mm) beam → 1” pointing

• FOV = 2’×2’• 1 deg/s per axis slew• Spectroscopy – imaging – polarization• Array cameras

A mapping instrument - OTF

LMT science• Universe formation

– CMB peaks at 1mm • CMB structure at small

angular scale• SZ effect in galaxy

clusters

• Galaxy formation– negative K correction for

30K dust • privileged access to the

high redshift Universe • surveys to sample & study

protogalaxy population – direct redshifts from CO

ladder

• Star formation– maps of molecular species

in ULIRs, LIRs and starbursts

– detailed mapping and studies of molecular clouds in Milky Way and nearby galaxies

• Planet formation– detection and imaging of

nearby protoplanetarydisks

• Solar system formation– comets and eKBOs

Arp 220 160 μm250 μm500 μm850 μm

1110 μm1400 μm2100 μm3300 μm

(1+z)

Spectral slope overcompensatesdistance dilution

Massive poststarburst at z>6.5Mobasher et al. 2005Spitzer

• 144 element bolometer array camera• Ideal for large scale continuum mapping• Successfully run on JCMT – fall 2006

At LMT will sample galaxy formation up to z>10 - in search of the first dust

What about AGN formation?

AzTEC

Peering into the first galaxies

• Some SMGs assembled1012M within 109 years

• LMT to seek for dust @ z≥10 → cosmic age ≤ 500 Myr– 100 Myr for growth of

overdensities– stellar burning by 200 Myr?

• When did the first supermassive black holes grow?

~1/1000

Kashlinsky et al. 2005, 2007

GLAST

Bias for jet oriented AGNs“blazars”

How far will GLAST see?

Fossati 98

(1+z)

GLAST: up to z=7 for “1047 erg/s”!!

3EGs

Sowards-Emmerd et al. 2005See also Romani (2006)

SPEED 4 pixel freq. selective bolometers for simultaneous 2.1,1.4, 1.1, 0.8mm

1σ @ LMT: 1.3 to 4.9 mJy Hz1/2

Wilson et al. 2005

7 10 15 20 25

log (ν / Hz)

meV eV keV MeV GeV TeV

−16

−14

−13

−12

−11

−10

−15

log

(νF ν

/ erg

cm

-2s-

1 )

colours, variability,polarization

How to findthese blazars?• Plan A:

– Shallow extended AzTEC - LMT surveys

– Variability– Follow up spectral

slope with SPEED-LMT

– Search in GLAST• Plan B:

– mw ID program forGLAST unids

AzTEC10,000 deg2 in 300 hrs1σ = 5mJy @ 1.4mm

Jesús Galindo 2007

¡FELIZ CUMPLEAÑOS!