MAMMOTH-1

MAMMOTH-1
Nebula
Observation data
Distance	z=2.32
Physical characteristics
Radius	450 kpc pc
	See also: Lists of nebulae

MAMMOTH-1 is a large ultraluminous lyman Alpha emitting radio-quiet nebula located near the center of a massive galaxy overdensity named BOSS1441 at a redshift distance of z= 2.32. The nebula has a size of 450 kiloparsecs making it one of the largest lyman-alpha nebula known comparable or even larger than the Slug nebula.^[1]^[2]

As of to date, this nebula has the highest lyman alpha luminosity of any nebula with a luminosity of 5.2x10^44 ergs.^[3]

Reference

^ Klesman, Alison (2017-02-23). "Glow-in-the-dark gas lights up the cosmic web". Astronomy Magazine. Retrieved 2025-04-24.
^ Emonts, Bjorn H. C.; Cai, Zheng; Prochaska, J. Xavier; Li, Qiong; Lehnert, Matthew D. (December 2019). "The Cold Circumgalactic Environment of MAMMOTH-I: Dynamically Cold Gas in the Core of an Enormous Lyα Nebula". The Astrophysical Journal. 887 (1): 86. arXiv:1911.05053. Bibcode:2019ApJ...887...86E. doi:10.3847/1538-4357/ab45f4. ISSN 0004-637X.
^ Cai, Zheng; Fan, Xiaohui; Yang, Yujin; Bian, Fuyan; Prochaska, J. Xavier; Zabludoff, Ann; McGreer, Ian; Zheng, Zhen-Ya; Green, Richard; Cantalupo, Sebastiano; Frye, Brenda; Hamden, Erika; Jiang, Linhua; Kashikawa, Nobunari; Wang, Ran (March 2017). "Discovery of an Enormous Lyα Nebula in a Massive Galaxy Overdensity at z = 2.3". The Astrophysical Journal. 837 (1): 71. arXiv:1609.04021. Bibcode:2017ApJ...837...71C. doi:10.3847/1538-4357/aa5d14. ISSN 0004-637X.

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[1] Klesman, Alison (2017-02-23). "Glow-in-the-dark gas lights up the cosmic web". Astronomy Magazine. Retrieved 2025-04-24.

[2] Emonts, Bjorn H. C.; Cai, Zheng; Prochaska, J. Xavier; Li, Qiong; Lehnert, Matthew D. (December 2019). "The Cold Circumgalactic Environment of MAMMOTH-I: Dynamically Cold Gas in the Core of an Enormous Lyα Nebula". The Astrophysical Journal. 887 (1): 86. arXiv:1911.05053. Bibcode:2019ApJ...887...86E. doi:10.3847/1538-4357/ab45f4. ISSN 0004-637X.

[3] Cai, Zheng; Fan, Xiaohui; Yang, Yujin; Bian, Fuyan; Prochaska, J. Xavier; Zabludoff, Ann; McGreer, Ian; Zheng, Zhen-Ya; Green, Richard; Cantalupo, Sebastiano; Frye, Brenda; Hamden, Erika; Jiang, Linhua; Kashikawa, Nobunari; Wang, Ran (March 2017). "Discovery of an Enormous Lyα Nebula in a Massive Galaxy Overdensity at z = 2.3". The Astrophysical Journal. 837 (1): 71. arXiv:1609.04021. Bibcode:2017ApJ...837...71C. doi:10.3847/1538-4357/aa5d14. ISSN 0004-637X.

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