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{{Quasar|name=VIK J2348-3054|ra={{RA|23|48|33.34}}|dec={{DEC|-30|54|10.0}}|z=6.9018|type=Luminous [[Quasar]]|notes=Suppresses [[star formation]] in [[galaxies]] within 5 mpc|image=Artist’s Impression of Black Hole LID-568 (noirlab2427d).tiff|caption=Artistic impression of a [[supermassive black hole]] powering a [[quasar]]}}
{{Quasar|name=VIK J2348-3054|ra={{RA|23|48|33.34}}|dec={{DEC|-30|54|10.0}}|z=6.9018|type=Luminous [[Quasar]]|notes=Suppresses [[star formation]] in [[galaxies]] within 5 mpc|image=Artist’s Impression of Black Hole LID-568 (noirlab2427d).tiff|caption=Artistic impression of a [[supermassive black hole]] powering a [[quasar]]}}


'''VIK J2348-3054''' is a high-redshift luminous [[quasar]] in the [[Epoch of Reionization]] located at a redshift distance of z=6.9018. Despite it being located in a region where there should be an overdensity of [[Lyman-alpha emitter|Lyman-Alpha emitter]] (LAEs) galaxies for several mpc, there is a lack of LAEs for at least 5.15 mpc. In fact, the nearest galaxy capable of forming new stars was located some 16.8 million light years away from this galaxy. This means that VIK J2348-3054 is most likely suppressing [[star formation]] in the galaxies in its immediate vicinity. This lack of LAE galaxies is unusual for luminous quasars like VIK J2348-3054 because high-red shift quasars are usually found in dense regions of space.<ref>{{Citation |last1=Lambert |first1=Trystan S. |title=A lack of Lyman ''α'' emitters within 5 MPC of a luminous quasar in an overdensity at ''z'' = 6.9: Potential evidence of negative quasar feedback at protocluster scales |date=2024-07-12 |url=https://arxiv.org/abs/2402.06870 |access-date=2025-04-09 |arxiv=2402.06870 |last2=Assef |first2=R. J. |last3=Mazzucchelli |first3=C. |last4=Bañados |first4=E. |last5=Aravena |first5=M. |last6=Barrientos |first6=F. |last7=González-López |first7=J. |last8=Hu |first8=W. |last9=Infante |first9=L.|journal=Astronomy & Astrophysics |volume=689 |pages=A331 |doi=10.1051/0004-6361/202449566 |bibcode=2024A&A...689A.331L }}</ref><ref>{{Cite web |date=2024-08-18 |title=Far-off QUASAR May Have Halted Stellar Formation in Nearby Galaxies |url=https://dailygalaxy.com/2024/08/distant-quasar-halted-star-formation/ |access-date=2025-06-29 |language=en-US}}</ref>
'''VIK J2348-3054''' is a high-redshift luminous [[quasar]] in the [[Epoch of Reionization]] located at a redshift distance of z=6.9018. Despite it being located in a region where there should be an overdensity of [[Lyman-alpha emitter|Lyman-Alpha emitter]] (LAEs) galaxies for several mpc, there is a lack of LAEs for at least 5.15 mpc. In fact, the nearest galaxy capable of forming new stars was located some 16.8 million light years away from this galaxy. This means that VIK J2348-3054 is most likely suppressing [[star formation]] in the galaxies in its immediate vicinity. This lack of LAE galaxies is unusual for luminous quasars like VIK J2348-3054 because high-red shift quasars are usually found in dense regions of space.<ref>{{Citation |last1=Lambert |first1=Trystan S. |title=A lack of Lyman ''α'' emitters within 5 MPC of a luminous quasar in an overdensity at ''z'' = 6.9: Potential evidence of negative quasar feedback at protocluster scales |date=2024-07-12 |arxiv=2402.06870 |last2=Assef |first2=R. J. |last3=Mazzucchelli |first3=C. |last4=Bañados |first4=E. |last5=Aravena |first5=M. |last6=Barrientos |first6=F. |last7=González-López |first7=J. |last8=Hu |first8=W. |last9=Infante |first9=L.|journal=Astronomy & Astrophysics |volume=689 |pages=A331 |doi=10.1051/0004-6361/202449566 |bibcode=2024A&A...689A.331L }}</ref><ref>{{Cite web |date=2024-08-18 |title=Far-off QUASAR May Have Halted Stellar Formation in Nearby Galaxies |url=https://dailygalaxy.com/2024/08/distant-quasar-halted-star-formation/ |access-date=2025-06-29 |language=en-US}}</ref>


The [[quasar]] suppresses [[star formation]] in those surrounding [[Galaxy|galaxies]] by illuminating and heating up the [[gas]] in those galaxies with intense radiation. In order for stars to from, they need cold [[Gas cloud|gas clouds]] to collapse under their own [[gravity]].<ref>{{Cite web |last=CATA |first=Comunicaciones |date=2024-09-23 |title=DEcam confirms that the environment of quasars in the early Universe is indeed crowded |url=https://cata.cl/en/decam-confirms-that-the-environment-of-quasars-in-the-early-universe-is-indeed-crowded/ |access-date=2025-04-09 |website=CATA |language=en-US}}</ref> The centeral [[supermassive black hole]] (SMBH) powering the quasar has a mass of 2 billion solar masses meaning that it has accumulated a substantial amount of material in a relatively short amount of time period, in about 770 million years since the [[Big Bang]].<ref>{{Cite web |date=2024-08-16 |title=A distant quasar may be zapping all galaxies around itself |url=https://www.sciencenews.org/article/quasar-zapping-star-formation |access-date=2025-06-29 |language=en-US}}</ref>
The [[quasar]] suppresses [[star formation]] in those surrounding [[Galaxy|galaxies]] by illuminating and heating up the [[gas]] in those galaxies with intense radiation. In order for stars to from, they need cold [[Gas cloud|gas clouds]] to collapse under their own [[gravity]].<ref>{{Cite web |last=CATA |first=Comunicaciones |date=2024-09-23 |title=DEcam confirms that the environment of quasars in the early Universe is indeed crowded |url=https://cata.cl/en/decam-confirms-that-the-environment-of-quasars-in-the-early-universe-is-indeed-crowded/ |access-date=2025-04-09 |website=CATA |language=en-US}}</ref> The centeral [[supermassive black hole]] (SMBH) powering the quasar has a mass of 2 billion solar masses meaning that it has accumulated a substantial amount of material in a relatively short amount of time period, in about 770 million years since the [[Big Bang]].<ref>{{Cite web |date=2024-08-16 |title=A distant quasar may be zapping all galaxies around itself |url=https://www.sciencenews.org/article/quasar-zapping-star-formation |access-date=2025-06-29 |language=en-US}}</ref>

Latest revision as of 05:30, 30 June 2025

  • Comment: Decent article, but this draft should cite better sources than pop-sci websites and preprints, which are not peer-reviewed. It looks like there are some hits on Google Scholar. Ca talk to me! 00:50, 30 June 2025 (UTC)
  • Comment: I would ask for more sources, at least two to three more. CF-501 Falcon (talk · contribs) 01:17, 2 June 2025 (UTC)


VIK J2348-3054
Artistic impression of a supermassive black hole powering a quasar
Observation data (Epoch )
Right ascension23h 48m 33.34s
Declination−30° 54′ 10.0″
Redshift6.9018
TypeLuminous Quasar
Notable featuresSuppresses star formation in galaxies within 5 mpc
See also: Quasar, List of quasars

VIK J2348-3054 is a high-redshift luminous quasar in the Epoch of Reionization located at a redshift distance of z=6.9018. Despite it being located in a region where there should be an overdensity of Lyman-Alpha emitter (LAEs) galaxies for several mpc, there is a lack of LAEs for at least 5.15 mpc. In fact, the nearest galaxy capable of forming new stars was located some 16.8 million light years away from this galaxy. This means that VIK J2348-3054 is most likely suppressing star formation in the galaxies in its immediate vicinity. This lack of LAE galaxies is unusual for luminous quasars like VIK J2348-3054 because high-red shift quasars are usually found in dense regions of space.[1][2]

The quasar suppresses star formation in those surrounding galaxies by illuminating and heating up the gas in those galaxies with intense radiation. In order for stars to from, they need cold gas clouds to collapse under their own gravity.[3] The centeral supermassive black hole (SMBH) powering the quasar has a mass of 2 billion solar masses meaning that it has accumulated a substantial amount of material in a relatively short amount of time period, in about 770 million years since the Big Bang.[4]

Scientific importance

[edit]
The M87 galaxy and its black hole powered jet of electrons and subatomic particles

The discovery of VIK J2348-3054 has implications for the history of the Milky Way galaxy. Nearby is the supergiant elliptical galaxy known as M87 located in the Constellation of Virgo some 54 million light years from our galaxy. Early on the Universe history, M87 was closer that its supermassive black hole likely powered a quasar. This could have impacted the star formation history of the Milky Way.[5]

References

[edit]
  1. ^ Lambert, Trystan S.; Assef, R. J.; Mazzucchelli, C.; Bañados, E.; Aravena, M.; Barrientos, F.; González-López, J.; Hu, W.; Infante, L. (2024-07-12), "A lack of Lyman α emitters within 5 MPC of a luminous quasar in an overdensity at z = 6.9: Potential evidence of negative quasar feedback at protocluster scales", Astronomy & Astrophysics, 689: A331, arXiv:2402.06870, Bibcode:2024A&A...689A.331L, doi:10.1051/0004-6361/202449566
  2. ^ "Far-off QUASAR May Have Halted Stellar Formation in Nearby Galaxies". 2024-08-18. Retrieved 2025-06-29.
  3. ^ CATA, Comunicaciones (2024-09-23). "DEcam confirms that the environment of quasars in the early Universe is indeed crowded". CATA. Retrieved 2025-04-09.
  4. ^ "A distant quasar may be zapping all galaxies around itself". 2024-08-16. Retrieved 2025-06-29.
  5. ^ "Far-off QUASAR May Have Halted Stellar Formation in Nearby Galaxies". 2024-08-18. Retrieved 2025-06-29.
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