Changes between Version 1 and Version 2 of PS1_SAS_AstromPhotom_20100310

Timestamp:

Mar 11, 2010, 12:36:56 PM (16 years ago)

Author:

eugene

Comment:

--

PS1_SAS_AstromPhotom_20100310

@@ -4 +4 @@
 
 I've done some work to test out the relative photometry and astrometry
-calibration system using the SAS data.  I'm sending some example plots
+calibration system using the SAS data.  I show here some example plots
 from that analysis, and the script used to run relastro and relphot
 the database.  Hopefully this will provide more light than smoke...
+
+[[Image(sas.field.png)]]
 
 The first figure shows the SAS field: black boxes are the outer bounds
@@ -33 +35 @@
 which should be must faster (the indexes are still being ignored).
 
+[[Image(sas.test.photom.g.png)]]
+[[Image(sas.test.photom.r.png)]]
+[[Image(sas.test.photom.i.png)]]
+[[Image(sas.test.photom.z.png)]]
+[[Image(sas.test.photom.y.png)]]
+
 Aside from those issues, this analysis looks very encouraging.  The
-plots show the RA and magnitude residuals for the bright, unsaturated
+plots above show the magnitude residuals for the bright, unsaturated
 portion of the data (15.5.-17.0 mags for griz, 12.5-15.0 for y-band).
 You will notice that the photometric residuals are all in the range
@@ -49 +57 @@
 (stormy.weather.png), where I show zero point offsets vs time.
 
+[[Image(sas.test.astrom.g.png)]]
+[[Image(sas.test.astrom.r.png)]]
+[[Image(sas.test.astrom.i.png)]]
+[[Image(sas.test.astrom.z.png)]]
+[[Image(sas.test.astrom.y.png)]]
+
 As for astrometry, the residuals are OK (20-27 mas), but I suspect we
 can do better by tweaking the parameters.  The nice result here is