1. Jordan Goodman HAWC Review - December 2007 The HAWC Site & the Mexican Collaboration Alberto Carramiñana INAOE, Mexico

2. Jordan Goodman HAWC Review - December 2007 Alberto Carramiñana The HAWC site The base of volcán Sierra Negra latitude : 18º59’ longitude: 97º18’ altitude : 4100m Inside Parque Nacional Pico de Orizaba

3. Jordan Goodman HAWC Review - December 2007 The Large Millimeter Telescope The largest single dish mm telescope - the largest science project in MexicoThe largest single dish mm telescope - the largest science project in Mexico –INAOE/UMass project –50m aperture @ 80-350 GHz –cold and high redshift universe –in construction since 2000 –3mm first light in mid 2008 Alberto Carramiñana Sep 2006

4. Jordan Goodman HAWC Review - December 2007 The Large Millimeter Telescope Unique multiwavelength companionUnique multiwavelength companion –flux level: 3 mJy Hz -1/2 (1  ) –day and night –1º/s slewing on both axis Complemented with Sierra Negra Consortium experimentsComplemented with Sierra Negra Consortium experiments –HAWC –Solar Neutron Telescope (operational) –5m radio telescope: Solar + night –cosmic ray array + Fluorescence –two (resurrected) HEGRA IACTs (already in Mexico) –antineutron proposal –Citlaltepetl muon experiment –geophysical and atmospheric monitors Alberto Carramiñana Common EG/WMAP Taurus GMC: CO(1  0) SEQUIOA @ FCRAO 14m 96 sq.deg with 70 m/s resolution www.astro.umass.edu/~heyer/taurus.html

5. Jordan Goodman HAWC Review - December 2007 The HAWC site: easy access Alberto Carramiñana 100 km Mexico DF 120 km Veracruz 160 km

6. Jordan Goodman HAWC Review - December 2007 The HAWC site: excellent geographical location Close to the equator:  sur = 4  cos(lat) sin(  )  4  (2/3) - 10% more sky access than at 30º - 10% more sky access than at 30º - 40% overlap with HESS GP survey - 40% overlap with HESS GP survey - 90% overlap with IceCube - 90% overlap with IceCube - 100% with Whipple Strip Survey and VERITAS Cygnus Survey - 100% with Whipple Strip Survey and VERITAS Cygnus Survey Crab @ 3º from zenith Galactic center is at 48 o Synchronous with Pan-American observatories Alberto Carramiñana

7. Jordan Goodman HAWC Review - December 2007 The HAWC site: excellent geographical location Alberto Carramiñana

8. Jordan Goodman HAWC Review - December 2007 The HAWC site: location and topography Alberto Carramiñana 5610m 4582m LMT 90,000 m 2 30,000 m 2 20m contours

9. Jordan Goodman HAWC Review - December 2007 HAWC in Parque Nacional Pico de Orizaba Site permit granted by SEMARNATSite permit granted by SEMARNAT –June 2007: INAOE submitted to SEMARNAT an Environmental Impact Declaration (EID) for HAWC at Sierra Negra –Sept 2007: permit granted for constructing pond and facilities (30,000 m 2 ), water extraction system / with conditions and without permit for road and power line –Nov 2007: detailed road design + basic underground power line design and cost estimate - will submit EID in Dec 2007/Jan 2008 –Jan/Feb 2008: will submit modification of site permit for tanks and revised site layout including two IACTs –March 2008: initiate road construction (  May 2008) Alberto Carramiñana Road cost contract : 280k pesos ($26k USD) Power line estimate: 800k pesos ($73k USD)

10. Jordan Goodman HAWC Review - December 2007 The HAWC site: weather Six years of weather data at top of SN available HAWC is mostly weather proof, but look for freezing conditions and severe weather -freezing < 10% of the time Alberto Carramiñana

11. Jordan Goodman HAWC Review - December 2007 The HAWC site: Moderate Weather Fast wind (>25 mph) less than 5% of time Occasional influence of hurricanes Dean! max wind speed: 90 MPH Alberto Carramiñana Day

12. Jordan Goodman HAWC Review - December 2007 Water for HAWC Water demands:Water demands: –HAWC tanks/3 years = 0.8 l/s –2M gallons/ 100 tanks Water acquisition systems (by preference):Water acquisition systems (by preference): –well @ 1-2 km from site –water trap @ 7 km from site –transport from lower wells with trucks (15km) Alberto Carramiñana

13. Jordan Goodman HAWC Review - December 2007 Water for HAWC: the well Location of potential wells through topographic and geoelectric studiesLocation of potential wells through topographic and geoelectric studies –advised by collaborators from Geociencias UNAM and UAM –permit granted by SEMARNAT Alberto Carramiñana

14. Jordan Goodman HAWC Review - December 2007 Water for HAWC: more options Water trapWater trap –pump + gravity –7 km pipes –permit granted by SEMARNAT Alberto Carramiñana

15. Jordan Goodman HAWC Review - December 2007 Site operations Consorcio Sierra Negra provider of common services (to be adapted from La Palma):Consorcio Sierra Negra provider of common services (to be adapted from La Palma): –electrical power supply –access road and maintenance –water and sewage –waste collection –security, first aid, fire protection –communications: internet + telephone –base camp –common visitor set up Cost shared by all CSN partners according to experiment cost, locations, consumptions, etc...Cost shared by all CSN partners according to experiment cost, locations, consumptions, etc... Alberto Carramiñana

16. Jordan Goodman HAWC Review - December 2007 The Mexican collaboration Alberto Carramiñana

17. Jordan Goodman HAWC Review - December 2007 The Mexican collaboration Alberto Carramiñana

18. Jordan Goodman HAWC Review - December 2007 The Mexican Funding CONACyT 2006 call for “Ideas de Megaproyectos”CONACyT 2006 call for “Ideas de Megaproyectos” –proposals for up to 1000 Mpesos/5 years –200+ submitted  80 to phase 2 –phase 2: no review(!?)  “research networks” –HAWC in High Energy Physics network Alberto Carramiñana

19. Jordan Goodman HAWC Review - December 2007 The Mexican Funding: the HEP network Alberto Carramiñana

20. Jordan Goodman HAWC Review - December 2007 The Mexican Funding: beyond CONACyT networks Institutional funds (to comply with minimal support):Institutional funds (to comply with minimal support): –require 367k pesos/inst/yr to reach 1.5 MUSD/5yrs –INAOE committed 500k/pesos per year (2007: 100 kpesos MEGA + 280 kpesos road + 100 kpesos site studies + travel +...) CONACyT basic science projects (“Auger-like”):CONACyT basic science projects (“Auger-like”): –call issue on 1/12/7 (deadline 31/1/8) –individuals: up to 1.8 Mpesos /3 years –groups: up to 5 Mpesos /3 years What about NSF - CONACyT common support?What about NSF - CONACyT common support? Alberto Carramiñana