#apj
Live, measured metrics for the hashtag #apj from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #apj
This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.
Day-by-day usage
measured · mastodon.online (Mastodon public tags API) · fetched 2026-08-12 12:07 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mastodon.online (Mastodon public search API) · fetched 2026-08-12 12:07 UTCLive pulse
measured · mastodon.online (Mastodon tag timeline) · fetched 2026-08-12 12:07 UTCEverything below is measured over the latest 11 public posts (spanning ~14820 hours).
Posting hours (UTC)
Languages: English (9) · Spanish (1) · German (1)
Avg boosts / post: 2.3
Top of the latest posts
This image is new to me. Young A P J Abdul Kalam (right) seen with possibly D Easwaradas (middle). Both are inspecting freshly unboxed Judi-Dart Sounding Rocket. Label on booster reads 'Rocket Power Inc.' Launcher is in background. #JudiDar
#ApJ HerS-3: An Exceptional Einstein Cross Reveals a Massive Dark Matter Halo https://iopscience.iop.org/article/10.3847/1538-4357/adf204 Lens models that only include the four visible galaxies are unable to reproduce the properties of HerS
SAP & Alibaba: New Chapter for Cloud and AI Innovation in China | SAP Sa... https://youtu.be/WZMcMObtTr0?si=ymzUDye3f_Qvmld0 via @YouTube #sap #alibaba #partner #cloud #AI #BusinessAI #innovation #china #apj #sapchampions @sap
What “apj” means
WikipediaThe Astrophysical Journal (ApJ) is a peer-reviewed scientific journal of astrophysics and astronomy, established in 1895 by American astronomers George Ellery Hale and James Edward Keeler. The journal discontinued its print edition and became an electronic-only journal in 2015.
“The Astrophysical Journal” on Wikipedia (CC BY-SA) →#apj across platforms
every network with a public tag surfaceFollow #apj straight to each platform’s own tag page. Where a platform publishes open data we measure it above; the rest lock their numbers behind paid APIs, so we link rather than guess.
Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/apj