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

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

Tiling the Sample 12 samples with tiling completeness 94% or better 9 samples with tiling completeness 96% or better SamplePriorityTotalTiling Completeness 2MASS Ks < % 2MASS H < MASS J < SuperCOSMOS r F < SuperCOSMOS b J < Shapley ROSAT All-Sky Survey HIPASS (> 4-sigma) IRAF Faint Source Catalogue Denis J < Denis I < MASS AGN Hamburg-ESO Survey NOAO-VLA Sky Survey Number of Sources on Sky Number Covered by Tiles Campbell, Saunders & Colless, (in prep)

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

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

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

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

Observing Progress ~650 fields have been observed, (as of mid-June) Target is ~1500. SemesterFieldsCumulate 01 A26 01 B A B A121651

Observing Progress ~650 fields have been observed, (as of mid-June) Target is ~1500. SemesterFieldsCumulate 01 A26 01 B A B A Similar observing pattern to 2dF survey

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

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…

Progress on the Sky ~415 redshifted from 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…

Redshift Progress On Individual Samples SampleSourcesRedshiftsCoverage 2MASS Ks < % 2MASS H < MASS J < SuperCOSMOS r F < SuperCOSMOS b J < Shapley ROSAT All-Sky Survey HIPASS (> 4-sigma) IRAF Faint Source Catalogue Denis J < Denis I < MASS AGN Hamburg-ESO Survey SUMSS Shanks et al NOAO-VLA Sky Survey % coverage down to 4% BOTH 6DF AND LITERATURE REDSHIFTS

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

Relationship between Completeness and S/N

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

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

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

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%

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 %

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

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

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:

Data Releases Initial release of ~13000 galaxies in December 2002 Next data release planned for the end 2003/start dF Galaxy Survey Database

Further Information 6dF Galaxy Survey Home Page – 6dFGS Progress Page – 6dFGS Online Database –

K-band Redshift Completeness and Observed Fields

Fields Observed and Those Remaining STRIP A STRIP B STRIP C

K-band Completeness and Fields Observed

K-band Completeness and Remaining Fields

Redshift Progress On Individual Samples SampleSourcesRedshiftsCoverage 2MASS Ks < % 2MASS H < MASS J < SuperCOSMOS r F < SuperCOSMOS b J < Shapley ROSAT All-Sky Survey HIPASS (> 4-sigma) IRAF Faint Source Catalogue Denis J < Denis I < MASS AGN Hamburg-ESO Survey SUMSS Shanks et al NOAO-VLA Sky Survey % coverage down to 4% BOTH 6DF AND LITERATURE REDSHIFTS

Redshift Progress On Individual Samples - Breakdown SampleSources6dF Redshifts Literature Redshifts Coverage 2MASS Ks < % 2MASS H < MASS J < SuperCOSMOS r F < SuperCOSMOS b J < Shapley ROSAT All-Sky Survey HIPASS (> 4-sigma) IRAF Faint Source Catalogue Denis J < Denis I < MASS AGN Hamburg-ESO Survey SUMSS Shanks et al NOAO-VLA Sky Survey