#セイファート銀河
Live, measured metrics for the hashtag #セイファート銀河 from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.
Own #セイファート銀河
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 · mas.to (Mastodon public tags API) · fetched 2026-08-23 04:08 UTC0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.
Related hashtags
measured · mas.to (Mastodon public search API) · fetched 2026-08-23 04:08 UTCNo related tags with measured usage found for #セイファート銀河.
Live pulse
measured · mas.to (Mastodon tag timeline) · fetched 2026-08-23 04:08 UTCEverything below is measured over the latest 1 public posts.
Posting hours (UTC)
Avg boosts / post: 0
Used together with
Top of the latest posts
Hubble Spies a Spinning Spiral https://science.nasa.gov/missions/hubble/hubble-spies-a-spinning-spiral/ NASAがHubble宇宙望遠鏡で観測したESO 420-G013は、セイファート銀河で、スーパーマスブラックホールが光を放出し、明るい核を持つ。その明るさは可視光スペクトル外でも輝く。ギャラクシー自体も見えるのが特徴的。 LIRGの研究の一環として観測され、赤外線で明る
#セイファート銀河 across platforms
every network with a public tag surfaceFollow #セイファート銀河 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/セイファート銀河