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LEDA 896325

LEDA 896325
DESI Legacy DR10 image of LEDA 896325
Observation data (J2000 epoch)
ConstellationVirgo
Right ascension13h 50m 36.14s
Declination-16° 34' 49.51"
Redshift0.097697
Heliocentric radial velocity25142
Distance1.423 bly (436.19 mpc)
Apparent magnitude (B)17.13
Characteristics
TypeS
Size308,600 ly (94,610 pc)
Other designations
J1350-1634, NVSS J135036-163449, 2MASX J13503614-1634494

LEDA 896325 also known as J1350-1634, is a spiral galaxy, class I seyfert galaxy, and a BL Lac object located in the constellation of Virgo.[1] The galaxy is approximately 1.42 billion light years (436 megaparsecs) away and has an apparent B magnitude of 17.13.[1][2] It was discovered in 2003 by a HyperLEDA survey of 950,000 galaxies.[3]

Physical properties

LEDA 896325 is a very large spiral galaxy that is believed to be a field galaxy and is not associated with any known galaxy clusters.[1][4] The galaxy is 309,000 light years (94,610 parsecs) across based on a distance of 1.42 billion light years away and an angular diameter of 44.3 arcsecs.[2]

In the galactic center of LEDA 896325 is an active galactic nucleus (AGN), and it is also a quasar.[1] In the active galactic nucleus it contains a central black hole with an estimated mass of 240 million M☉, which ejects large amounts of gas forming its large radio emissions.[4]

False-color image of the radio lobes of LEDA 896325

In 2025, it was discovered by RACS and GLEAM that LEDA 896325 was the host of ~2 megaparsec radio lobes.[4] The radio lobes are considered as Fanaroff-Riley class II, they are edge-brightened and are far more luminous than their counterpart, it is also classified as a spiral DRAGN.[4] It is also predicted to have episodic jet activity similar to J2345-0449.[4] The exact dimensions of the radio lobes are 2.24 megaparsecs or roughly 7,310,000 light years across based on an angular diameter of 22 arcmin, making it the second largest spiral-hosted radio galaxy discovered only behind NGC 6185.[4]

See also

References

  1. ^ a b c d "SIMBAD Results for LEDA 896325". SIMBAD. Retrieved 2025-12-01.
  2. ^ a b "NED Results for LEDA 896325". NASA/IPAC Extragalactic Database. Retrieved 2025-12-01.
  3. ^ G., Paturel (2003). "HYPERLEDA. I. Identification and designation of galaxies". Astronomy and Astrophysics. 412: 45. Bibcode:2003A&A...412...45P. doi:10.1051/0004-6361:20031411. Retrieved 2025-12-01.
  4. ^ a b c d e f Sethi, Sagar (2025). "Serendipitous discovery of a spiral host in a 2 Mpc double-double lobed radio galaxy". Astronomy and Astrophysics. 699: L4. arXiv:2505.06089. Bibcode:2025A&A...699L...4S. doi:10.1051/0004-6361/202554987.
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