Presentation is loading. Please wait.

Presentation is loading. Please wait.

Progress Report on the 6dF Galaxy Survey Heath Jones Redshifts and Redshift Completeness Results and Planned Data Releases Observations and Sky Coverage.

Published byMillicent Warren Modified over 9 years ago

Similar presentations

Presentation on theme: "Progress Report on the 6dF Galaxy Survey Heath Jones Redshifts and Redshift Completeness Results and Planned Data Releases Observations and Sky Coverage."— Presentation transcript:

1

2 Progress Report on the 6dF Galaxy Survey Heath Jones Redshifts and Redshift Completeness Results and Planned Data Releases Observations and Sky Coverage Research School of Astronomy and Astrophysics Australian National University

3 Tiling the Sample 172000 galaxies 1564 fields assigned across the southern sky Campbell, Saunders & Colless, (in prep)

4 Tiling the Sample 12 samples with tiling completeness 94% or better 9 samples with tiling completeness 96% or better SamplePriorityTotalTiling Completeness 2MASS Ks < 12.75811398894.1 % 2MASS H < 13.056328391.8 2MASS J < 13.756200892.7 SuperCOSMOS r F < 15.76919994.9 SuperCOSMOS b J < 17.06974993.8 Shapley693985.7 ROSAT All-Sky Survey6291391.7 HIPASS (> 4-sigma)682185.5 IRAF Faint Source Catalogue61070794.9 Denis J < 145150593.2 Denis I < 155201761.7 2MASS AGN4213291.7 Hamburg-ESO Survey4353990.6 NOAO-VLA Sky Survey4433487.6 Number of Sources on Sky Number Covered by Tiles Campbell, Saunders & Colless, (in prep)

5 The Observing/Reducing Cycle Preparation, observing, reducing follows the lunar cycle

6 The Observing/Reducing Cycle Preparation, observing, reducing follows the lunar cycle Redshifting takes place in the following lunation

7 The Observing/Reducing Cycle Preparation, observing, reducing follows the lunar cycle Redshifting takes place in the following lunation Survey results are updated/reported ~6 weeks after observation

8 Observing Progress ~650 fields have been observed, (as of mid-June) Target is ~1500.

9 Observing Progress ~650 fields have been observed, (as of mid-June) Target is ~1500. SemesterFieldsCumulate 01 A26 01 B89115 02 A193308 02 B222530 03 A121651

10 Observing Progress ~650 fields have been observed, (as of mid-June) Target is ~1500. SemesterFieldsCumulate 01 A26 01 B89115 02 A193308 02 B222530 03 A121651 Similar observing pattern to 2dF survey

11 Progress on the Sky 547 fields 595 fields 422 fields Observing strategy sees sky tackled in thirds… ~1500 field centres assigned across the southern sky

12 Progress on the Sky ~650 observed, (as of mid-June 2003) ~1500 field centres assigned across the southern sky Observing strategy sees sky tackled in thirds…

13 Progress on the Sky ~415 redshifted from 2002-2003 data, (up to mid-May 2003) ~1500 field centres assigned across the southern sky ~650 observed, (as of mid-June 2003) Observing strategy sees sky tackled in thirds…

14 Redshift Progress On Individual Samples SampleSourcesRedshiftsCoverage 2MASS Ks < 12.751139884322638 % 2MASS H < 13.05328352416 2MASS J < 13.75200831916 SuperCOSMOS r F < 15.79199269030 SuperCOSMOS b J < 17.09749244625 Shapley93917719 ROSAT All-Sky Survey291344815 HIPASS (> 4-sigma)82119424 IRAF Faint Source Catalogue10707234122 Denis J < 14150515110 Denis I < 1520171799 2MASS AGN21321115 Hamburg-ESO Survey35391464 SUMSS447554412 Shanks et al.4666213 NOAO-VLA Sky Survey43342245 40% coverage down to 4% BOTH 6DF AND LITERATURE REDSHIFTS

15 Success Rates (Per Field) 1. Sources through fibres:2. Successful Redshifts

16 Relationship between Completeness and S/N

17 Results from the 6dF Observations ~65500 objects observed, (as of mid-June) ~41,000 redshifted 34400 galaxies1300 stars (3%)450 ISM (1%)4700 failed (11%)

18 Results from the 6dF Observations ~65500 objects observed, (as of mid-June) ~41,000 redshifted 450 ISM (1%)1300 stars (3%)4700 failed (11%)34400 galaxies 90% of fields > than 70% 80% of fields > than 80% complete Number of Galaxy Redshifts + Redshift Failures PER FIELD

19 Results from the 6dF Observations ~65500 objects observed, (as of mid-June) ~41,000 redshifted 450 ISM (1%)1300 stars (3%)4700 failed (11%)34400 galaxies

20 Galaxy Redshift Completeness - K-band Survey Number of Galaxy Redshifts Per Unit Area Number of Galaxy Redshifts + Failures Per Unit Area showing 0 to 100%

21 Galaxy Redshift Completeness - K-band Survey Number of Galaxy Redshifts Per Unit Area Number of Galaxy Redshifts + Failures Per Unit Area Only the K-band Survey Completeness calculated from the 412 redshifted fields, plus literature redshifts High areal sky coverage does not necessarily imply high redshift completeness showing 50 to 100% MEDIAN ~ 60 %

22 Progress in Each Strip There are 1564 fields on the sky: STRIP A – 651 (42%) have been observed, – 913 (58%) remain. (as of June 2003) Coverage by strip: STRIP A 547 fields161 observed (29%) 386 remain STRIP B (595 fields)428 observed (72%) 167 remain STRIP C (422 fields) 62 observed (15%) 360 remain

23 Progress in Each Strip There are 1564 fields on the sky: STRIP A STRIP B – 651 (42%) have been observed, – 913 (58%) remain. (as of June 2003) Coverage by strip: STRIP A 547 fields161 observed (29%) 386 remain STRIP B 595 fields428 observed (72%) 167 remain STRIP C (422 fields) 62 observed (15%) 360 remain

24 Progress in Each Strip There are 1564 fields on the sky: STRIP A 547 fields161 observed (29%) 386 remain STRIP B 595 fields428 observed (72%) 167 remain STRIP C 422 fields 62 observed (15%) 360 remain STRIP A STRIP B STRIP C – 651 (42%) have been observed, – 913 (58%) remain. (as of June 2003) Coverage by strip:

25 Data Releases Initial release of ~13000 galaxies in December 2002 Next data release planned for the end 2003/start 2004 http://www-wfau.roe.ac.uk/6dFGS/ 6dF Galaxy Survey Database

26 Further Information 6dF Galaxy Survey Home Page –http://www.mso.anu.edu.au/6dFGS/ 6dFGS Progress Page – http://www.mso.anu.edu.au/6dFGS/Team/Progress_Page/ http://www-wfau.roe.ac.uk/6dFGS/ 6dFGS Online Database –

27

28 K-band Redshift Completeness and Observed Fields

29 Fields Observed and Those Remaining STRIP A STRIP B STRIP C

30 K-band Completeness and Fields Observed

31 K-band Completeness and Remaining Fields

32 Redshift Progress On Individual Samples SampleSourcesRedshiftsCoverage 2MASS Ks < 12.751139884322638 % 2MASS H < 13.05328352416 2MASS J < 13.75200831916 SuperCOSMOS r F < 15.79199269030 SuperCOSMOS b J < 17.09749244625 Shapley93917719 ROSAT All-Sky Survey291344815 HIPASS (> 4-sigma)82119424 IRAF Faint Source Catalogue10707234122 Denis J < 14150515110 Denis I < 1520171799 2MASS AGN21321115 Hamburg-ESO Survey35391464 SUMSS447554412 Shanks et al.4666213 NOAO-VLA Sky Survey43342245 40% coverage down to 4% BOTH 6DF AND LITERATURE REDSHIFTS

33 Redshift Progress On Individual Samples - Breakdown SampleSources6dF Redshifts Literature Redshifts Coverage 2MASS Ks < 12.75113988235511967538 % 2MASS H < 13.05328326326116 2MASS J < 13.75200816415516 SuperCOSMOS r F < 15.79199850184030 SuperCOSMOS b J < 17.09749989145725 Shapley939888919 ROSAT All-Sky Survey291321223615 HIPASS (> 4-sigma)8216912524 IRAF Faint Source Catalogue10707752158922 Denis J < 141505628910 Denis I < 152017491309 2MASS AGN213276355 Hamburg-ESO Survey353994524 SUMSS447530224212 Shanks et al.46616113 NOAO-VLA Sky Survey4334208165

Download ppt "Progress Report on the 6dF Galaxy Survey Heath Jones Redshifts and Redshift Completeness Results and Planned Data Releases Observations and Sky Coverage."

Similar presentations

The Australian Virtual Observatory (a.k.a. eAstronomy Australia) Ray Norris CSIRO ATNF.

The Australian Virtual Observatory (a.k.a. eAstronomy Australia) Ray Norris CSIRO ATNF.
18 July 2015 1 Monte Carlo Markov Chain Parameter Estimation in Semi-Analytic Models Bruno Henriques Peter Thomas Sussex Survey Science Centre.

18 July Monte Carlo Markov Chain Parameter Estimation in Semi-Analytic Models Bruno Henriques Peter Thomas Sussex Survey Science Centre.
Jeroen Stil Department of Physics & Astronomy University of Calgary Stacking of Radio Surveys.

Jeroen Stil Department of Physics & Astronomy University of Calgary Stacking of Radio Surveys.
Luminous Infrared Galaxies with the Submillimeter Array: Probing the Extremes of Star Formation Chris Wilson (McMaster), Glen Petitpas, Alison Peck, Melanie.

Luminous Infrared Galaxies with the Submillimeter Array: Probing the Extremes of Star Formation Chris Wilson (McMaster), Glen Petitpas, Alison Peck, Melanie.
Deep Neutral Hydrogen Surveys with the Arecibo 305-m Telescope – the Arecibo Galaxy Environment Survey Robert Minchin NAIC Arecibo Observatory.

Deep Neutral Hydrogen Surveys with the Arecibo 305-m Telescope – the Arecibo Galaxy Environment Survey Robert Minchin NAIC Arecibo Observatory.
H OPCAT, 6dFGS & Star Formation Rates Marianne T. Doyle Ph.D. Project.

H OPCAT, 6dFGS & Star Formation Rates Marianne T. Doyle Ph.D. Project.
Dark Halos of Fossil Groups and Clusters Observations and Simulations Ali Dariush, Trevor Ponman Graham Smith University of Birmingham, UK Frazer Pearce.

Dark Halos of Fossil Groups and Clusters Observations and Simulations Ali Dariush, Trevor Ponman Graham Smith University of Birmingham, UK Frazer Pearce.
Star-Formation in Close Pairs Selected from the Sloan Digital Sky Survey Overview The effect of galaxy interactions on star formation has been investigated.

Star-Formation in Close Pairs Selected from the Sloan Digital Sky Survey Overview The effect of galaxy interactions on star formation has been investigated.
Exploring the Stellar Populations of Early-Type Galaxies in the 6dF Galaxy Survey Philip Lah Honours Student h Supervisors: Matthew Colless Heath Jones.

Exploring the Stellar Populations of Early-Type Galaxies in the 6dF Galaxy Survey Philip Lah Honours Student h Supervisors: Matthew Colless Heath Jones.
AGN and Quasar Clustering at z=0.2-1.5: Results from the DEEP2 + AEGIS Surveys Alison Coil Hubble Fellow University of Arizona Chandra Science Workshop.

AGN and Quasar Clustering at z= : Results from the DEEP2 + AEGIS Surveys Alison Coil Hubble Fellow University of Arizona Chandra Science Workshop.
The Search for New “r-process-Enhanced” Metal-Poor Stars Timothy C. Beers Michigan State University.

The Search for New “r-process-Enhanced” Metal-Poor Stars Timothy C. Beers Michigan State University.
Exploring the Stellar Populations of Early-Type Galaxies in the 6dF Galaxy Survey Philip Lah Honours Student h Supervisors: Matthew Colless Heath Jones.

Exploring the Stellar Populations of Early-Type Galaxies in the 6dF Galaxy Survey Philip Lah Honours Student h Supervisors: Matthew Colless Heath Jones.
HI at moderate redshifts Philip Lah Science with MIRA workshop Research School of Astronomy & Astrophysics Mount Stromlo Observatory.

HI at moderate redshifts Philip Lah Science with MIRA workshop Research School of Astronomy & Astrophysics Mount Stromlo Observatory.
Discovery of Galaxy Clusters Around Redshift 1 Deborah Haarsma, Calvin GLCW, June 1, 2007.

Discovery of Galaxy Clusters Around Redshift 1 Deborah Haarsma, Calvin GLCW, June 1, 2007.
“ Testing the predictive power of semi-analytic models using the Sloan Digital Sky Survey” Juan Esteban González Birmingham, 24/06/08 Collaborators: Cedric.

“ Testing the predictive power of semi-analytic models using the Sloan Digital Sky Survey” Juan Esteban González Birmingham, 24/06/08 Collaborators: Cedric.
Introducing Astronomy Education into High School Physics Curriculum Through the Use of the University of North Dakota Observatory Caitlin Nolby Space Studies.

Introducing Astronomy Education into High School Physics Curriculum Through the Use of the University of North Dakota Observatory Caitlin Nolby Space Studies.
Image credit: ESO/NASA/ESA/JPL-Caltech Unveiling the astrophysics of high-redshift galaxy evolution.

Image credit: ESO/NASA/ESA/JPL-Caltech Unveiling the astrophysics of high-redshift galaxy evolution.
High-Frequency GPS sources from the AT20G survey Paul Hancock - University of Sydney Australia Ron Ekers (ATNF, PI), Sarah Burke(Swinburne), Mark Calabretta.

High-Frequency GPS sources from the AT20G survey Paul Hancock - University of Sydney Australia Ron Ekers (ATNF, PI), Sarah Burke(Swinburne), Mark Calabretta.
Weidong Li Jesse Leaman Alex Filippenko Department of Astronomy University of California, Berkeley Nearby Supernova Rates from the Lick Observatory Supernova.

Weidong Li Jesse Leaman Alex Filippenko Department of Astronomy University of California, Berkeley Nearby Supernova Rates from the Lick Observatory Supernova.
FMOS Workshop, Jan. 2004 The Decline in Cosmic Star Formation: is Environment to blame? or Mapping the interaction of galaxies with their environment as.

FMOS Workshop, Jan The Decline in Cosmic Star Formation: is Environment to blame? or Mapping the interaction of galaxies with their environment as.

Similar presentations

Ads by Google