Vector_Patches Data Series
Feature identification software will identify a small number of solar active region patches using a line-of-sight magnetogram and an intensity image. This data series pointers to associated vector magnetic field information for each time step during the SDO mission.
# SERIES INFO
- DATANAME = Vector_Patches
- Retention = 0
- Archive = 0
- Primekeys = T_REC, PNUM
# PRIME KEY INFO
- T_REC, TIME, Slotted
- T_REC_STEP = 12MIN
- T_REC_EPOCH = 1976.12.31_23:59:45.000_UTC
PNUM, INT - One entry for each active region identified at this time step
# GEOMETRY KEYWORDS - PIXEL
- IMAGEX0, link, "IMAGEX0", blospatch
- IMAGEY0, link, "IMAGEY0", blospatch
- IMAGEX1, link, "IMAGEX1", blospatch
- IMAGEY1, link, "IMAGEY1", blospatch
# COORDINATE KEYWORDS
- CROTA2 = link,"CROTA2",sourcerec
- CTYPE1 = "hpln_tan"
- CRPIX1 = 1
- CRVAL1 = [left corner of bounding box]
- CUNIT1 = "arc sec"
- CDELT1 = 0.5 [nominal HMI pixel]
- CTYPE2 = "hplt_tan"
- CRPIX2 = 1
- CRVAL2 = [lower corner of bounding box]
- CUNIT2 = "arc sec"
- CDELT2 = 0.5 [nominal HMI pixel]
- QUALITY = BITS
# KEYWORDS FROM Elsewhere - Blos and Ic Patches
- B0, link, "B0", sourcerec
- ARP_AREA, link, "ARP_AREA", blospatch
- ARP_MAP, link, "ARP_MAP", blospatch
- I_MIN, link, "I_MIN", blospatch
# KEYWORDS computed from Vector Field
- BTOTAL, FLOAT
- BMAX, FLOAT
- # OTHERS
#LINK INFO
NEED TO FIX - add segment for each Bvec element in the patch - enumerate all vector components
E.g. data: HMI.B.patch,XXX
- link: sourcerec, "HMI.Blos", static
- link: vectorrec, "HMI.B", static
- link: blospatch,"Patches_Found",static