High-magnification deep optical view into SNF20050624-000's host environment. Pan and scroll to explore the cosmic neighborhood where this star exploded.
⚡ Quick Observer Facts & Telemetry
IAU Transients DBAn Unclassified Astronomical Transient
On 2005/06/24, astronomers scanning the heavens flagged a sudden, violent pinpoint of light that had flared into visibility. Designated SNF20050624-000, it is an unclassified astronomical transient whose physical nature is not yet established.
SNF20050624-000 was reported as a changing source, but it has not been spectroscopically classified. Without a spectrum, the progenitor cannot be identified: a thermonuclear white-dwarf detonation and a core-collapse of a massive star are mutually exclusive histories that produce different spectra and light curves. No progenitor, explosion mechanism, or remnant outcome is established for this object.
A Message Across Deep Cosmic Time
SNF20050624-000 has a luminosity distance of approximately 1.02 Billion Light-Years
(redshift z = 0.06719).
That figure is not the light-travel time: under flat ΛCDM the lookback time is ≈895 Myr, when the light set out 894.6 million years ago during the Neoproterozoic, hundreds of millions of years before complex animal life diversified.
Luminosity distance incorporates cosmic expansion and exceeds the light-travel distance. The two quantities must be reported separately.
Brightness Record
No calibrated peak magnitude is published for SNF20050624-000, so neither its apparent brightness nor an equivalent solar luminosity can be stated.
The total energy release is unknown without a spectroscopic classification.
The Radioactive Furnace: Why Supernovae Glow for Months
Without a classification, the power source of SNF20050624-000 cannot be identified; radioactive ⁵⁶Ni decay powers many supernovae but is not established for this transient.
Nickel-56 decays to Cobalt-56 (half-life ≈6.1 days), then to stable Iron-56 (half-life ≈77.2 days), heating the ejecta from within. Typical class yields must not be quoted as measured values for this event.
Cosmic Kiln: Seeding the Elements of Life
Supernovae enrich galaxies with heavy elements. Events of SNF20050624-000's class are associated with oxygen-group and intermediate-mass products (O, C, Ne, Mg, Si) in galactic chemical-evolution models. No measured elemental yields are published for SNF20050624-000.
As Carl Sagan observed, "We are made of star-stuff" — a statement about nucleosynthesis in general, not a claim that atoms from this specific remnant are identified in the Solar System.
Galactic Setting in Ophiuchus
No host galaxy is identified for SNF20050624-000 in this catalog record
.
In our terrestrial sky, it resides in the constellation Ophiuchus (The Serpent Bearer) at Right Ascension 17:34:46.441
and Declination -02:21:26.83.
The Scientific Surveillance Campaign
Following its discovery by an automated sky survey, observatories worldwide swung their lenses toward SNF20050624-000. In the Open Supernova Catalog, SNF20050624-000 is documented across 0 photometric measurements and 0 spectroscopic epochs. These multi-wavelength observations allow astrophysicists to model the expanding photosphere, measure shock velocities, and probe circumstellar interactions.
Stargazer's Field Guide: Can You See It Tonight?
Can I see it tonight? Unknown — no measured brightness.
Discovered 21.4 years ago (2005/06/24). No reliable current brightness estimate — no photometry has been published.
Planetary Safety Note: Even though SNF20050624-000 was a titanic explosion, our planet sits safely outside the lethal 50–100 light-year kill zone. At a distance of 1.02 Billion Light-Years, the blast poses zero physical hazard to Earth's biosphere.
Cataloged transients closest to SNF20050624-000 in discovery time, spatial sky neighborhood, and cosmological redshift:
❓ Frequently Asked Questions About SNF20050624-000
What type of supernova is SNF20050624-000 and what kind of star exploded? Astrophysics & Progenitor
What was the progenitor star doing in the millions of years leading up to SNF20050624-000? Astrophysics & Progenitor
How far away is SNF20050624-000 from Earth and how old is the light reaching us? Cosmic Distance & Time
What does the cosmological redshift of SNF20050624-000 tell us about the expansion of space? Cosmic Distance & Time
How bright did SNF20050624-000 become at its peak, and how many Suns does that equal? Explosion Energetics
How much total energy was released by SNF20050624-000, and where did that energy go? Explosion Energetics
How fast are the supernova ejecta and shockwave of SNF20050624-000 expanding through space? Explosion Energetics
What powers the prolonged glow of SNF20050624-000 weeks and months after detonation? Radioactive Engine
What chemical elements did SNF20050624-000 create and disperse into the universe? Nucleosynthesis & Elements
Did SNF20050624-000 leave behind a black hole, a neutron star, or nothing at all? Cosmic Remnant
What will SNF20050624-000's explosion site look like in 1,000 to 10,000 years? Cosmic Remnant
In which galaxy did SNF20050624-000 explode, and where is it located relative to the galactic center? Galactic Environment
Where is SNF20050624-000 located in the night sky and which constellation is it in? Sky Coordinates
How much Milky Way interstellar dust obscures our view of SNF20050624-000? Interstellar Dust
Across which photometric filter bands was SNF20050624-000 monitored? Astronomical Observations
What did astronomical spectroscopy reveal about SNF20050624-000's chemical makeup? Astronomical Observations
Who discovered SNF20050624-000 and how was it first detected? Discovery & History
How many scientific publications and observatories have contributed data to SNF20050624-000? Scientific Research
What other names and survey identifiers exist for SNF20050624-000? Cross-Identifications
2MASS J17344644-0221268. These cross-matched identifiers allow astronomers to cross-reference observations across the Zwicky Transient Facility (ZTF), the Asteroid Terrestrial-impact Last Alert System (ATLAS), Pan-STARRS, Gaia Photometric Science Alerts, and the IAU Transient Name Server (TNS).