Data Access
PUNCH Level 3 clear mosaic starfield model in celestial coordinates, resolved into an unpolarized brightness image with uncertainty.
This dataset is a member of the Collection of PUNCH Level-3 Science Image datasets. Per instructions from the PUNCH team, reference to the entire Collection (including the DOI, see below) should be used when this and other member datasets in the Collection are needed for citation purposes:
Southwest Research Institute (2025). PUNCH NFI-WFI Level-3 Science images [Collection]. Solar Data Analysis Center. https://doi.org/10.48322/nnv7-bn21. Access date (assigned on date of landing page access).
Version:2.7.2
Version:2.7.2
PUNCH Level 3 clear mosaic starfield model in celestial coordinates, resolved into an unpolarized brightness image with uncertainty.
This dataset is a member of the Collection of PUNCH Level-3 Science Image datasets. Per instructions from the PUNCH team, reference to the entire Collection (including the DOI, see below) should be used when this and other member datasets in the Collection are needed for citation purposes:
Southwest Research Institute (2025). PUNCH NFI-WFI Level-3 Science images [Collection]. Solar Data Analysis Center. https://doi.org/10.48322/nnv7-bn21. Access date (assigned on date of landing page access).
| Role | Person | StartDate | StopDate | Note | |
|---|---|---|---|---|---|
| 1. | PrincipalInvestigator | spase://SMWG/Person/Craig.E.DeForest | |||
| 2. | TeamLeader | spase://SMWG/Person/J.Marcus.Hughes | |||
| 3. | TeamMember | spase://SMWG/Person/Chris.Lowder | |||
| 4. | TeamMember | spase://SMWG/Person/Derek.A.Lamb | |||
| 5. | TeamMember | spase://SMWG/Person/Samuel.J.VanKooten | |||
| 6. | TeamMember | spase://SMWG/Person/Ritesh.Patel | |||
| 7. | TeamMember | spase://SMWG/Person/Daniel.B.Seaton |
The HelioData dataset page provides an overview of the dataset with access links, associated variables, and more.
Unpolarized brightness in the PUNCH Level 3 CSM starfield model, stored as a compressed two-dimensional floating-point image. The image dimensions may vary between files. The FITS header provides helioprojective longitude and latitude coordinates with a CAR projection and an alternate ICRS right ascension and declination coordinate system. The pixel scale is 0.02 degrees, or 72 arcsec, at the reference point. The nominal wavelength is 530 nm. The reference time of the model is specified by the DATE-OBS FITS keyword.
Inverse fractional uncertainty associated with the unpolarized brightness in the PUNCH Level 3 CSM starfield model. The stored value is the brightness divided by its uncertainty. The data are stored in FITS extension 2; the FITS EXTNAME is "UNCERTAINTY ARRAY".