IPHAS EDR: Where are we?

• Catalogues up to January 2006 ingested

• Catalogue totals:

• Rows: 430M

• Gb: 400Gb

• Images are available

• FieldsAll - table with field centres

• ChipsAll - table with chip properties + DQC

• PhotoObj - table of object parameters

• PhotoObjBest - view with best observations

• Objects detected in 3 bands, seeing<=1.7, ellipticity<=0.25

• duplicate sources?

Documentation

• Paper to MNRAS, astro-ph by the date we want to make it really public

• Documentation in www.astrogrid.org needs updating

• Announcement in www.iphas.org

• There is a placeholder for documentation at CASU web pages

Documentation

• Similar to www.sdss.org

• Survey description, sky coverage, data quality

• Data processing (brief)

• Data products: what they are, how to use them

• Catalogue description, user access, examples

• Example usage: cross matching with GPS

Documentation

• Helper scripts to perform searches:

• Cone search:

• Image Search:

cone_iphas.py -o cat.vot 15.0 60.0 2.0

siap_iphas.py -o images.vot 15.0 60.0 2.0

Using overlaps for photometric calibration

Glazebrook et al. 2004

IPHAS + GPS

IPHAS + GPS