Measuring Clustering in Confused Maps: First Results from ACT X BLAST

Transcription

1 Measuring Clustering in Confused Maps: First Results from ACT X BLAST marco viero / university of toronto marco viero / california institute of technology1

2 Galaxy Formation is Not Independent of Environment Blue Star-Forming Galaxy Red Quiescent Galaxy marco viero 2

3 Galaxy Formation is Not Independent of Environment marco viero 2

4 Clustering Relates Galaxies to Their Environment marco viero 3

5 Clustering Relates Galaxies to Their Environment 2-Point Correlation Function Counts in Cells Nearest Neighbor marco viero 3

6 Clustering Relates Galaxies to Their Environment 2-Point Correlation Function Counts in Cells Catalog Nearest Neighbor marco viero 3

7 Submm Maps/Catalogs are NOT Like Those at Shorter - Wavelengths K-band ~ 45 sources/ arcmin 2 10 marco viero 4

8 Submm Maps/Catalogs are NOT Like Those at Shorter - Wavelengths K-band ~ 45 sources/ arcmin 2 SPIRE ~ 0.5 sources/ arcmin 2 10 marco viero 4

9 Submm Maps/Catalogs are NOT Like Those at Shorter - Wavelengths Only ~15% of Flux is Resolved into Point Sources 10 marco viero 4

10 Submm Maps/Catalogs are NOT Like Those at Shorter - Wavelengths Only ~15% of Flux is Resolved into Point Sources I.e., ~ 85% of Sources in the Map Appear as Fluctuations 10 marco viero 4

11 CMB has been Working With Maps of Fluctuations for Years! WMAP marco viero 5

12 CMB has been Working With Maps of Fluctuations for Years! WMAP marco viero 5

13 CMB has been Working With Maps of Fluctuations for Years! Power Spectrum Fourier Transform 2-Point Correlation Function marco viero 5

14 BLAST marco viero 6

15 UBC Ed Chapin Mark Halpern Gaelen Marsden Douglas Scott Don Wiebe JPL Jamie Bock U of T Peter Martin Barth Netterfield Brown University Greg Tucker CDF (France) Guillaume Patanchon UPenn Mark Devlin Jeff Klein Chris Semisch Matt Truch U of Miami Josh Gundersen Nick Thomas INAOE (Mexico) David Hughes Itziar Aretxaga Cardiff University Peter Ade Matt Griffin Peter Hargrave Phil Mauskopf Carole Tucker marco Enzo Pascaleviero Lorenzo Moncelsi 7 Open University Mattia Negrello U. Arizona Marie Rex Caltech Marco Viero

16 MIT balloon Cobra Toco QMAP Archeops White Mountain MAX White Dish Saskatoon BAM BOOMERanG QMAT WMAP MINT ACT UBC Ed Chapin Mark Halpern Gaelen Marsden Douglas Scott Don Wiebe JPL Jamie Bock U of T Peter Martin Barth Netterfield Brown University Greg Tucker CDF (France) Guillaume Patanchon UPenn Mark Devlin Jeff Klein Chris Semisch Matt Truch U of Miami Josh Gundersen Nick Thomas INAOE (Mexico) David Hughes Itziar Aretxaga Cardiff University Peter Ade Matt Griffin Peter Hargrave Phil Mauskopf Carole Tucker marco Enzo Pascaleviero Lorenzo Moncelsi 7 Open University Mattia Negrello U. Arizona Marie Rex Caltech Marco Viero

17 Balloon-borne Large Aperture Submillimeter Telescope (BLAST) SPIRE-like spider-web bolometer detector arrays µm 43 detectors 350 µm 88 detectors 250 µm mm (13 ) 23 mm (6.5 ) Overlapping beams marco viero 8

18 Balloon-borne Large Aperture Submillimeter Telescope (BLAST) SPIRE-like spider-web bolometer detector arrays but a 1.8 m primary resulting in beams: μm μm μm i.e., twice the size of SPIRE s beams marco viero 8

19 BLAST Measured Clustering from Fluctuations marco viero 9

20 BLAST Measured Clustering from Fluctuations Viero et al marco viero 9

21 BLAST Measured Clustering from Fluctuations Shot Noise Viero et al marco viero 9

22 BLAST Measured Clustering from Fluctuations Shot Noise Clustering Viero et al marco viero 9

23 BLAST Measured Clustering from Fluctuations Excess Signal from Galaxy Clustering Shot Noise Clustering Viero et al marco viero 9

24 BLAST Measured Clustering from Fluctuations Clustering Signal After Removal of Shot Noise Viero et al marco viero 9

25 BLAST Measured Clustering from Fluctuations BLAST prediction... Clustering Signal After Removal of Shot Noise marco viero 9

26 BLAST Measured Clustering from Fluctuations BLAST prediction... Clustering Signal After Removal of Shot Noise... Herschel observation marco viero 9

27 Use Halo-Model to Estimate Host Halo Masses marco viero 10

28 Use Halo-Model to Estimate Host Halo Masses Clustering Signal made up of two regimes marco viero 10

29 Use Halo-Model to Estimate Host Halo Masses Clustering Signal made up of two regimes 2-halo: Linear Regime (large scales) marco viero 10

30 Use Halo-Model to Estimate Host Halo Masses Clustering Signal made up of two regimes 2-halo: Linear Regime (large scales) 1-halo: Non-Linear Regime (small scales) marco viero 10

31 Use Halo-Model to Estimate Host Halo Masses Clustering Signal made up of two regimes 2-halo: Linear Regime (large scales) 1-halo: Non-Linear Regime (small scales) marco viero 10

32 Use Halo-Model to Estimate Host Halo Masses Halo Model of Mattia Negrello & Source Model of Lagache 2004 Viero et al marco viero 10

33 Use Halo-Model to Estimate Host Halo Masses At z ~ 2 MDM 6x10 12 Msun b 4.0 Halo Model of Mattia Negrello & Source Model of Lagache 2004 Viero et al marco viero 10

34 Summary Power Spectrum of Fluctuations is a Natural Measure of Clustering in Confused Maps marco viero 11

35 Summary Power Spectrum of Fluctuations is a Natural Measure of Clustering in Confused Maps See work by Alex Amblard (2010, in prep.) for latest Fluctuation Power Spectrum Results with SPIRE! marco viero 11

36 But Wait! There s MORE! marco viero 12

37 Multi-Wavelength Data Contains Redshift Information Total Infrared Background Béthermin (2010) arxiv: marco viero 13

38 Multi-Wavelength Data Contains Redshift Information Total Infrared Background Béthermin (2010) arxiv: marco viero 13

39 Multi-Wavelength Data Contains Redshift Information Total Infrared Background Infrared Background at λ > 1mm dominated by high-redshift sources Béthermin (2010) arxiv: marco viero 13

40 Multi-Wavelength Data Contains Redshift Information Total Infrared Background Infrared Background at λ > 1mm dominated by high-redshift sources ACT bands at 220 GHz (1.4 mm) 148 GHz (2 mm) Béthermin (2010) arxiv: marco viero 13

41 Atacama Cosmology Telescope (ACT) marco viero 14

42 ACT Southern Field 300 deg 2 1 resolution 3 bands 148 GHz (~2.0 mm) 218 GHz (~1.4 mm) 277 GHz (~1.1 mm) marco viero 15

43 Overlap: BLAST-SEP Field ACT 148 GHz (2 mm) IRAS 100 μm ~9 deg 2 Mean Flux ~ 1.1 MJy/sr marco viero 16

44 CMB Maps are Made Up of Many Contributions ACT 148 GHz marco viero 17

45 CMB Maps are Made Up of Many Contributions CMB ACT 148 GHz marco viero 17

46 CMB Maps are Made Up of Many Contributions CMB Galaxies ACT 148 GHz marco viero 17

47 CMB Maps are Made Up of Many Contributions CMB Galaxies SZ Clusters ACT 148 GHz marco viero 17

48 Cross-Correlations Isolate Dusty Galaxies from the Rest BLAST 250 μm ACT 148 GHz 9 deg 2 marco viero 18

49 Cross-Correlate BLAST and ACT Preliminary Hajian & Viero et al. (in prep.) marco viero 19

50 Powerful Tool for Constraining Models Preliminary Hajian & Viero et al. (in prep.) Model: Marsden et al marco viero 20

51 Summary marco viero 21

52 Summary Cross-Correlations have the Power to: marco viero 21

53 Summary Cross-Correlations have the Power to: Isolate Dusty Galaxies in CMB maps marco viero 21

54 Summary Cross-Correlations have the Power to: Isolate Dusty Galaxies in CMB maps Identify the High-z Clustering Signal marco viero 21

55 Summary Cross-Correlations have the Power to: Isolate Dusty Galaxies in CMB maps Identify the High-z Clustering Signal Constrain Phenomenological Galaxy Models marco viero 21

56 But Wait! There s More! marco viero 22

57 CMB Studies Want to Remove Galaxies Dunkley et al marco viero 23

58 CMB Studies Want to Remove Galaxies Primary CMB Dunkley et al marco viero 23

59 CMB Studies Want to Remove Galaxies Primary CMB Secondary CMB: Sunyaev-Zel dovich (SZ) Dunkley et al marco viero 23

60 CMB Studies Want to Remove Galaxies Primary CMB Total Signal Secondary CMB: Sunyaev-Zel dovich (SZ) Dunkley et al marco viero 23

61 CMB Studies Want to Remove Galaxies Primary CMB Total Signal Galaxies: Dusty Secondary CMB: Sunyaev-Zel dovich (SZ) Dunkley et al marco viero 23

62 CMB Studies Want to Remove Galaxies Primary CMB Total Signal Galaxies: Dusty Radio Secondary CMB: Sunyaev-Zel dovich (SZ) Dunkley et al marco viero 23