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14/09/05 1 Crossmatch between Pulsar-ALFA Database and SIAP Archives Julia Deneva and Patrizia Manzato With the indispensable help of Shui Kwok.

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Presentation on theme: "14/09/05 1 Crossmatch between Pulsar-ALFA Database and SIAP Archives Julia Deneva and Patrizia Manzato With the indispensable help of Shui Kwok."— Presentation transcript:

1 14/09/05 1 Crossmatch between Pulsar-ALFA Database and SIAP Archives Julia Deneva and Patrizia Manzato With the indispensable help of Shui Kwok

2 14/09/05 2 Galactic Plane Pulsar Survey Started in Aug Started in Aug To continue for 4-5 years To continue for 4-5 years Extension to globular clusters and high latitudes Extension to globular clusters and high latitudes 19 new pulsars found with preliminary data processing 19 new pulsars found with preliminary data processing 1 is in a highly relativistic binary 1 is in a highly relativistic binary Total new pulsar discoveries expected: ~1000 ! Total new pulsar discoveries expected: ~1000 !

3 14/09/05 3 Instrument Arecibo telescope with new 7-beam ALFA receiver Arecibo telescope with new 7-beam ALFA receiver Frequency: 1.42GHz Frequency: 1.42GHz Integration time: 67s (precursor), 135s/278s (ongoing) Integration time: 67s (precursor), 135s/278s (ongoing) Beam size: ~3.5arcmin (beam footprints overlap) Beam size: ~3.5arcmin (beam footprints overlap)

4 14/09/05 4 Pulsar Extras Companions at other wavelengths Companions at other wavelengths Bow shocks Bow shocks Supernova remnants Supernova remnants Jets Jets Can look for them in existing data! Can look for them in existing data!

5 14/09/05 5 Pulsar Extras Guitar Nebula: B Bow shock: J

6 14/09/05 6 What we have MySQL local database: MySQL local database: Tables with pointing data Tables with pointing data Tables with pulsar candidates Tables with pulsar candidates Intermediate data processing results Intermediate data processing results PHP web interface: PHP web interface: Query the database Query the database Query SIAP archives Query SIAP archives SIAP web services: SIAP web services: Images and tabular data/metadata from various surveys Images and tabular data/metadata from various surveys

7 14/09/05 7 MySQL Local Database

8 14/09/05 8 Web Interface

9 14/09/05 9 Future Work Known pulsars: Known pulsars: Automate fetching of images Automate fetching of images Look for extended features around young, fast- moving pulsars Look for extended features around young, fast- moving pulsars Include candidate info in queries Include candidate info in queries Include intermediate data products in queries Include intermediate data products in queries SkyNode interface for database SkyNode interface for database


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