Example #1
0
acr.login('leicester')

# Coords for IC 5070
ra, dec = 312.75, 44.37

# Output directory
output_dir = '#iphas'

# Define box bounding box
ra1 = ra - 0.25 / cos(radians(ra))
dec1 = dec - 0.25
ra2 = ra + 0.25 / cos(radians(ra))
dec2 = dec + 0.25

# Query 2MASS
twomass = DSA('ivo://wfau.roe.ac.uk/twomass-dsa/wsa/ceaApplication')
job1 = twomass.query('select * from twomass_psc as x where x.ra between %s and %s and x."dec" between %s and %s' % (ra1, ra2, dec1, dec2),
                     saveAs='%s/twomass.vot' % output_dir)

while job1.status() in ['INITIALIZING', 'RUNNING', 'UNKNOWN']:
	time.sleep(10)
	
if job1.status() == 'ERROR':
	print 'Error querying 2MASS database'
	print job1.results()[0]
	sys.exit()
	
print '2MASS Query: ',job1.status()


# Query IPHAS
Example #2
0
#!/usr/bin/python

import time, urllib
from astrogrid import acr, DSA, MySpace

# Login in Leicester account
acr.login()

m = MySpace()

# Define the service to query
dsa=DSA('ivo://wfau.roe.ac.uk/sdssdr5-dsa/dsa/ceaApplication')

# Construct the SQL
tsql = """SELECT a.ra, a."dec", a.psfMag_g, a.psfMag_r FROM PhotoTag AS a """
tsql += """WHERE a.ra>110 AND a.ra<230 AND a."dec">%s AND a."dec"<=%s AND  (a.psfMag_g-a.psfMag_r <0.4 )  AND """
tsql += """a.psfMag_r>20.0 AND a.psfMag_g>0 AND a.mode=1 AND a.probPSF=1"""

# Looop for range of declinations
for i in range(0, 60, 2):
	sql = tsql % (i, i+2)
	r = dsa.query(sql, saveAs='#cam/ndec%02d-%02d.vot' % (i,i+2))

	# Wait until completed
	time.sleep(10)
	while r.status() not in ['COMPLETED' , 'ERROR']:
		print r.status()
		time.sleep(10)

	print r.status()
	# If completed extract the URL of the saved file and save it to local disk
Example #3
0
from astrogrid import acr, DSA, MySpace
acr.login()

db = DSA('ivo://uk.ac.cam.ast/iphas-dsa-catalog/IDR')
app = db.query('Select Top 100 * From PhotoObjBest', saveAs = '#test.vot')
url = app.results()[0]
m = MySpace()
m.readfile(url,ofile='test.vot')
Example #4
0
# more than 10 arcsec away from the chip edges are returned in a search box
sql="""SELECT TOP 10000
          s.sourceID, s.ra, s."dec", s.jmhPnt, s.pStar, s.pGalaxy, s.pNoise, s.pSaturated, 
          s.jAperMag3, s.jAperMag3Err, s.jClass, s.hAperMag3, s.hAperMag3Err, s.hClass, 
          s.k_1AperMag3, s.k_1AperMag3Err, s.k_1Class, d.x, d.y, m.xSize, m.ySize, c.xPixSize, 
          c.yPixSize 
      FROM 
          gpsSource AS s, gpsDetection AS d, MultiframeDetector AS m, CurrentAstrometry AS c 
      WHERE
          s.k_1ObjId = d.objID AND d.multiframeID = m.multiframeID AND d.extNum = m.extNum AND
          d.multiframeID = c.multiframeID AND d.extNum = c.extNum AND
          d.x*c.xPixSize>10 AND d.y*c.yPixSize>10 AND
          (m.xSize-d.x)*c.xPixSize>10 AND (m.ySize-d.y)*c.yPixSize>10"""
			
# Define the enpoint service
dsa=DSA('ivo://wfau.roe.ac.uk/ukidssDR1-dsa/wsa/ceaApplication')

# Write all the SQL in one line
sql = ' '.join(sql.split())

# Submit query and save result to VOSpace
r=dsa.query(sql, saveAs='#dsa/wsa_gps.vot')

# Wait until query status is completed
while r.status()<>'COMPLETED':
	sleep(10)
	
# If completed ok the retrieve the result. Print the error message otherwise.	
if r.status()=='COMPLETED':
	url = r.results()[0]
	m = MySpace()