Survey Data Releases & Milestones
Data releases and milestones from major optical, infrared, radio, spectroscopic and high-energy surveys
Filter by observing type, then hover or focus a marker for details. Clicking a marker, or the Source link in the table, opens the source in a new tab. Dates marked target or projected are not official confirmations.
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- Confirmed
- Target (not confirmed)
- Projected (not confirmed)
- Overdue: date passed, not confirmed
- Secondary source only
- ● Exact date
- ▬ Date window
- → Not before date
- Ongoing (since date)
- ⋯ Undated (table only)
No releases match these filters.
| Date | Survey | Release | Status | Evidence | Type | Access | Source |
|---|
Last reviewed: . Entries marked secondary were checked against search results or third-party papers, not the official page. Release schedules change, so check the source before relying on a date.
- Target and projected dates are not official confirmations.
- Roman launch and test-image dates rest on news reports, not a NASA page.
- The DESI DR2 date comes from a third-party paper.
- Public alerts: ZTF and Rubin (VRO) are live. LS4, Roman (RAPID), ULTRASAT (launch Q4 2027), BlackGEM and ATLAS are planned or partly confirmed.
- Undated rows (no date found) are listed in the table only. Many DECam-era and catalogue releases have paper dates but no public-release date.
- GOTO and WFST are not listed because no public alert stream was confirmed. CHEOPS is not yet included.