as editThisHdu header index m_cfitsioIndex m_dummyFptr m_fptr m_header m_status m_type matches readCategory readName readVersion touchThisHdu type updateChecksums updateName updateVersion verifyChecksums ~Hdu

m_fptr fitsfile*& Euclid::Fits::Hdu::m_fptr protected The parent file handler. Warning This is a reference to a pointer because we want the pointer to be valid even if file is closed and reopened.