Skip to main content
Testing. You are viewing the public testing version of GCN. For the production version, go to https://gcn.nasa.gov.
Due to the lapse in federal government funding, NASA is not updating this website. See the Operations FAQ for GCN impacts.
New! Super-Kamiokande JSON Notices and Schema v4.5.0. See news and announcements
MOA logo

Microlensing Observations in Astrophysics (MOA)

First Light: 2000

Final Alerts: 2021

Data Archives: GCN Classic

MOA is a project involving scientists in Japan and New Zealand to distribute microlensing events before their peak.

InstrumentsType
MOA TelescopeOptical

GCN Notice Types in GCN Classic and GCN Classic Over Kafka: Detailed Descriptions and Examples

TypeContentsLatency
MOALensing EventMinutes

Yearly Event Rates:

InstrumentTypeRates
MOA TelescopeMicrolensing event>1000
Questions or comments?
Contact GCN directly.
Have you found a bug in GCN?
Open an issue.
Want to contribute code to GCN?
Get involved on GitHub.

gcn.nasa.gov

A service of the Astrophysics Science Division at NASA Goddard Space Flight Center

Looking for U.S. government information and services? Visit USA.gov