ObsCore 1.1: Erratum 1

Author: DM WG

Date last changed: 2018-11-18

Date accepted:

Rationale

This erratum corrects a few issues noted in the ObsCore-1.1 document . Since most are small typo level items, it we include multiple items in one erratum.

1. Table 6 lists invalid UCD strings for certain elements (invalid with respect to the UCD1+ standard) in obstap columns definition.
2. Implementation feedback from Marco Molinary, see http://mail.ivoa.net/pipermail/dm/2017-August/005604.html

Erratum Content

Invalid UCDs in Table 6

page 56, Table 6: TAP_SCHEMA.columns

• • • The problem being that 'meta.curation' is a primary word (P) being used as secondary. 'meta.ref.uri' is indifferent (Q)

• • • same as obs_publisher_did

• • • the issue here being that the addition of 'phot.flux' is too specific for the usage.

pol_states

• • This field is listed as mandatory in §3.2 (Table 1, page 21) but then, Appendix B page 42, in Table 5 the MANdatory column says NO. After that, Table 6 on page 57 lists pol_states again among the mandatory fields. This looks like simply a typo.

• • Correct setting in Appendix B: Table 5 on page 42, to show pol_states as MAN=YES

t_refpos

• • This field is listed in Table 5 (Appendix B) page 41 as an optional one, but has no other entry in the specification, e.g. it has no entry in Table 7 (Appendix C.2) so that no Utype or UCD is defined for it. This one looks like a simple forgetfulness.

• • as we are considering Time series to be handled by ObsCore for discovery, this reference for the time system has to be re worked. Feedback from the dm list is welcome for this

• • It seems this is a placeholder for future expansion of ObsCore, it seems appropriate to remove this item from the Table 5, and restore it when the full specification can be provided in an update to the REC.

units for strings

Inconsistency in 'principal' settings

• • • dataproduct_subtype
    • o_calib_status
    • obs_creator_name
    • obs_release_date
    • obs_title
    • s_pixel_scale
    • target_class
    • obs_creation_date
    • publisher_id
    • s_ucd
    • s_unit
    • s_resolution_max
    • s_resolution_min
    • em_ucd
    • em_res_power_max
    • em_res_power_min
    • em_resolution
    • o_unit

Notes

1. I do not see 'meta.ref.ivoaid' in the UCD list..
2. The proposed changes are in the errata proposed document attached here http://wiki.ivoa.net/internal/IVOA/ObsCore-1_1-Erratum-1/REC-ObsCore-v1.1-20180222_errata.pdf
3. In the above, it is not clear that all errata have been incorporated, needs review by WG.

<-- 

 

 

 Set ALLOWTOPICRENAME = TWikiAdminGroup
 
 
-->