Outline. Motivation SDP Data Preliminary science with Herschel only Preliminary science adding in other data Conclusion

Transcription

1 hermes.sussex.ac.uk

2 Outline Motivation SDP Data Preliminary science with Herschel only Preliminary science adding in other data Conclusion

3 The Team Plus engineers, instrument builders, software developers etc.

4 Cosmic Far-Infrared Background Radiation

5 Constraining Bolometric Luminosity z=2.2 Log νf ν PACS 110µm PACS 160µm SPIRE 250µm SPIRE 350µm SPIRE 500µm SCUBA 850µm Normalised to have same FIR Luminosity Rest-frame wavelength

6 Mapping SFH SFR per unit volume Pascale et al Millennium simulation

7 Clusters Level Level Level Level4 ~4 Level5 ~30 Level6 ~40 Faint, low luminosity, typical galaxies Bright, high luminosity, rare galaxies Lock. North COSMO S GOODS- N Lock. East EGS GOODS -S ECDFS EGS UDS UDS VVD S CDFS Lockman Boote s ELAIS N1 FLS ELAIS S1 ELAIS N2 AKARI SEP Bootes ELAIS N1 XMM-LSS

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9 HerMES fields IRAS Dust Map Schlegel et al. 1998

10 Data Quality 1 st 15 repeats 2 nd 15 repeats 1 arcmin Everything you see is l

11 250µm GOODS-N 350µm 500µm 10 arcmin

12 Abell 2218

13 250µm 350µm 500µm 1 degree

14 1 Repeat 2 Repeats 4 Repeats 8 Repeats SPACE FOR SLIDE SHOWING 15 Repeats 30 Repeats IMAGES OF EITHER A2218 OR GOODS N AT DIFFERENT DEPTHS 28 arc min

15 SPIRE Confusion Limit Map fluctuations in the limit of no instrument noise. 250 μm σ conf = 4 mjy/beam σ inst = 20 (mjy/beam) s μm σ conf = 5 mjy/beam σ inst = 19 (mjy/beam) s μm σ conf = 6 mjy/beam σ inst = 36 (mjy/beam) s 0.5

16 Science Demonstration Obs. A GOODS-N Lockman-North FLS Lockman-SWIRE ,113 sources Flux(250µm) >20mJy about 7% of our final time

17 Counts from resolved sources 250µm 350µm dn/ds CONFUS ED Blast estimate from P(D) dn/ds dn/ds 500µm

18 PACS Number counts 160µm Lockman North FLS FIDEL Bethermin et al (2009, in press, accepted) dn/ds S 5/2 (Jy 3/2 sr -1 ) Lagache, Dole, Puget 2004 (black) Leborgne et al (blue) Valiante et al (maroon) Rowan-Robinson (plum) Franceschini (Coral) S(mJy)

19 GOODS-N P(D) analysis Signal Instrumental Noise (jack-knife) Model from BLAST 250µm 350µm 500µm

20 Arbitrary Units on Axis Correlation function Resolved Sources in Lockman-SW field With sources 17,000 in PSW 10,000 in PMW 2,600 in PLW Previously sub-mm clustering with SCUBA ~73 sources SAG-1 Imperial College 6 July 2006

21 Correspondence with 24 µm 24µm grey-scale 250µm in blue 350µm in green 500µm in red 8 arc min

22 Hyperluminous galaxies Log νl ν arbitrary offset Dusty torus Reddened QSO Star-formation SFRs > M yr -1 Log Wavelength/µm

23 SPIRE & SCUBA galaxies Log νl ν arbitary offset Log Wavelength/µm

24 Testing radio/ir correlation FIR / Radio radio selected sample (Biggs & Ivison 2006) in HDFN Temperature

25 250µm Luminosity Function

26 Low-z

27 Draft Schedule Launch 14 th May 2009 Dec 2009 ESA First Science workshop May 2010 ESA SDP Conference ~July 2010 A&A issue EDR Nov (ROS+12) DR1 Nov (End of Mission) DR2

28 250µm 350µm 500µm GOODS-N Conclusions Herschel is working exceptionally well HerMES is up and running already So far ~20 sq. deg. of data at or near confusion limit at 250, 350, 500µm >27000 galaxies today On course to reach science goals Will provide an important legacy 10 arcmin

29 Clusters Design GOOD S-S GOODS- N ECDFS Lock. North Lock. East EGS UDS COSMO S EGS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

30 Clusters Level Design GOODS -S GOODS- N ECDFS Lock. North Lock. East EGS UDS COSMO S EGS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

31 Clusters Level Level Design GOODS- N GOODS -S ECDFS Lock. North Lock. East EGS UDS COSMO S EGS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

32 Clusters Level Level Level Design Lock. North GOODS- N Lock. East GOODS -S ECDFS EGS UDS COSMO S EGS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

33 Clusters Level Level Level Level4 ~4 Design Lock. North GOODS- N Lock. East GOODS -S ECDFS EGS UDS COSMO S EGS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

34 Clusters Level Level Level Level4 ~4 Level5 ~30 Design Lock. North COSMO S GOODS- N Lock. East EGS GOODS -S ECDFS EGS UDS UDS VVD S CDFS Lockman Boote s ELAIS N1 AKARI FLS ELAIS S1 ELAIS N2 Bootes ELAIS N1 SEP XMM-LSS

35 Clusters Level Level Level Level4 ~4 Level5 ~30 Level6 ~40 Design CDFS Lock. North COSMO S GOODS- N Lock. East EGS GOODS -S Lockman ECDFS EGS UDS UDS Boote s VVD S ELAIS N1 FLS ELAIS S1 ELAIS N2 AKARI SEP Bootes ELAIS N1 XMM-LSS

36 Clusters Level Level Level Level4 ~4 Level5 ~30 Level6 ~40 SDP Faint, low luminosity, typical galaxies CDFS Lock. North COSMO S GOODS- N Lock. East EGS GOODS -S Lockman ECDFS EGS UDS UDS Boote s VVD S ELAIS N1 FLS ELAIS S1 ELAIS N2 AKARI SEP Bootes ELAIS N1 XMM-LSS