Diff for "ME720se15w1332"

Differences between revisions 16 and 17

hmi.ME720s_e15w1332 and hmi.ME720s_e15w1332_HARP

These two series contain all ME inversion data processed by means of VFISV.

hmi.ME720s_e15w1332: Full-disk for full-disk : Typically on 2 per day basis at 7 and 19UT. The latest version (Oct. 14, 2011) of VFISV is used to process mainly the data since October 1st, 2011.This latest version is being used for near-real-time runs that fills this series with the new data usually a week behind. An older version (May 26, 2011) is used to process the data from May 2010 to September 2011, however, some of the data for this period may have been overwritten with the data processed with the latest version.
hmi.ME720s_e15w1332_HARP for Active Region(s) : The latest version (Oct. 14, 2011) of VFISV is used to process the data stored in this series. Many of the Active regions are recognized by HARP module, while some are defined in different ways. Most of the AR that created the X-flare in 2011 are covered. There were minor changes in the JSOC pipeline interface (on Nov. 27) that do not affect the output data.
version of VFISV in the FITS files exported at JSOC database.
- Stored as a string of keyword INVCODEV.
- On IDL, the version will be printed by, for example,
```
IDL> img=fitsio_read_image('img.fits',header)
IDL> print, sxpar(header,'INVCODEV')
```
- The ME data at the two series were processed with one of three versions, labeled with date, May 26, Oct 14 or Nov 27, 2011.
differences from May 26 version to October 14 version
- VFISV core part
  1. Some of initial guess values for the iterative residual minimization were changed.
  2. Derivatives of residual square-chi is calculated with a set of the best-fitting parameters.
- Other change in the JSOC context
  1. The 32-bit quality flag for each pixel (segment name : qual_map) had been redefined. This change is adjustable without rerunning VFISV, thus, the published data at the two series have the quality flag map given with the latest definition.
differences between October 14 version and November 27 version
- The changes were limited to the part of JSOC data interface and MPI parallelism thus did not affect the output data.

-  ⇤ ← Revision 16 as of 2012-02-24 01:13:13 → 
  Size: 1723
  Editor: lilo
  Comment:
+   ← Revision 17 as of 2012-02-24 01:44:18 → ⇥
  Size: 2263
  Editor: lilo
  Comment:
-Deletions are marked like this.
+Additions are marked like this.
 Line 11:
-  * (assuming on IDL), read the FITS file accordingly, then the version will be printed by
   {{{IDL> print, sxpar(header,'INVCODEV')}}}
+  * On IDL, the version will be printed by, for example,{{{
IDL> img=fitsio_read_image('img.fits',header)
IDL> print, sxpar(header,'INVCODEV')}}}
-Line 14:
+Line 15:
-  * Outputs processed with Nov. 27 version are identical to those with Oct 14 version. The changes were limited to the part of JSOC data interface.
 * '''differences between October 14 version and May 26 version'''
  *
+ * '''differences from May 26 version to October 14 version'''
  * VFISV core part
   1. Some of initial guess values for the iterative residual minimization were changed.
   2. Derivatives of residual square-chi is calculated with a set of the best-fitting parameters.
  * Other change in the JSOC context
   1. The 32-bit quality flag for each pixel (segment name : qual_map) had been redefined. This change is adjustable without rerunning VFISV, thus, the published data at the two series have the quality flag map given with the latest definition.
 * '''differences between October 14 version and November 27 version'''
  * The changes were limited to the part of JSOC data interface and MPI parallelism thus did not affect the output data.