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NGC 5907

Summary

NGC 5907 (also known as Knife Edge Galaxy or Splinter Galaxy) is a spiral galaxy located approximately 46.5 million light years from Earth.[2] German-British astronomer William Herschel discovered the galaxy on 5 May 1788.[3]

NGC 5907
NGC 5907
Observation data (J2000 epoch)
ConstellationDraco
Right ascension15h 15m 53.2397s[1]
Declination+56° 19′ 47.568″[1]
Redshift0.002218[1]
Heliocentric radial velocity665 ± 1 km/s[1]
Distance46.56 ± 1.77 Mly (14.275 ± 0.543 Mpc)[2]
Group or clusterNGC 5907 group (LGG 396)
Apparent magnitude (V)11.1[1]
Characteristics
TypeSA(s)c? edge-on
Size~173,400 ly (53.15 kpc) (estimated)[1]
Apparent size (V)12.7′ × 1.4′[1]
Other designations
Splinter Galaxy, HOLM 704A, IRAS 15146+5629, NGC 5906, UGC 9801, MCG +09-25-040, PGC 54470, CGCG 274-038[1]

Characteristics

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NGC 5907 has an anomalously low metallicity and few detectable giant stars, being apparently composed almost entirely of dwarf stars.[4] It is a member of the NGC 5866 Group.

NGC 5907 has long been considered a prototypical example of a warped spiral in relative isolation. In 2006, an international team of astronomers announced the presence of an extended tidal stream surrounding the galaxy that challenges this picture and suggests the gravitational perturbations induced by the stream progenitor may be the cause for the warp. The existence of part of these tidal streams has been recently challenged by some deeper surveys.

An ultraluminous X-ray source is located in the galaxy.[5]

NGC 5907 and the galaxy KUG 1513+566 are listed together as Holm 704 in Erik Holmberg's A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems, published in 1937.[6]

NGC 5907 group

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NGC 5907 is part of a group of galaxies that bears its name. The NGC 5907 group (also known as LGG 396) has at least four members, including Messier 102, NGC 5879, and UGC 9776.[7]

Supernova

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One supernova has been observed in NGC 5907: SN 1940A (type II-L, mag 14.3) was discovered by Josef J. Johnson on 16 February 1940.[8][9][10]

Location

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The edge-on galaxy is seen in the constellation Draco, near the star iota Draconis. It is seen in the sky near to the much more distant galaxy NGC 5965.

NGC Identification

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NGC 5907 is also known as NGC 5906.[3][11] This second NGC number refers to a fainter part of the galaxy[3] lying west of the dust lane[11] that was recorded by astronomer and physicist George Johnstone Stoney on April 13, 1850.[3]

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  •  
    Spiral galaxy NGC 5907, by HST.

References

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  1. ^ a b c d e f g h "Results for object NGC 5907". NASA/IPAC Extragalactic Database. NASA and Caltech. Retrieved 2010-07-11.
  2. ^ a b "Distance Results for NGC 5907". NASA/IPAC Extragalactic Database. Retrieved 2010-07-11.
  3. ^ a b c d Seligman, Courtney. "New General Catalogue Objects: NGC 5907". Celestial Atlas. Retrieved 2 January 2025.
  4. ^ Liu, M. C.; Marleau, F. R.; Graham, J. R.; Charlot, S.; Sackett, P.; Zepf, S. E. (December 1998). "Weighing the Stellar Content of NGC 5907's Dark Matter Halo". Bulletin of the American Astronomical Society. 30: 1258. Bibcode:1998AAS...193.0807L.
  5. ^ Israel, Gian Luca; Belfiore, Andrea; Stella, Luigi; Esposito, Paolo; Casella, Piergiorgio; De Luca, Andrea; Marelli, Martino; Papitto, Alessandro; Perri, Matteo; Puccetti, Simonetta; Rodríguez Castillo, Guillermo A.; Salvetti, David; Tiengo, Andrea; Zampieri, Luca; D’Agostino, Daniele; Greiner, Jochen; Haberl, Frank; Novara, Giovanni; Salvaterra, Ruben; Turolla, Roberto; Watson, Mike; Wilms, Joern; Wolter, Anna (24 Feb 2017). "An accreting pulsar with extreme properties drives an ultraluminous x-ray source in NGC 5907". Science. 355 (6327): 817–819. arXiv:1609.07375. Bibcode:2017Sci...355..817I. doi:10.1126/science.aai8635. PMID 28219970. S2CID 206653306.
  6. ^ Holmberg, Erik (1937). "A Study of Double and Multiple Galaxies Together with Inquiries into some General Metagalactic Problems". Annals of the Observatory of Lund. 6: 1. Bibcode:1937AnLun...6....1H.
  7. ^ Garcia, A. M. (1993). "General study of group membership. II. Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100: 47. Bibcode:1993A&AS..100...47G.
  8. ^ Humason, M. L.; Minkowski, R. (1940). "A Supernova in NGC 5907". Publications of the Astronomical Society of the Pacific. 52 (306): 146. Bibcode:1940PASP...52..146H. doi:10.1086/125149.
  9. ^ Barbon, R.; Buondí, V.; Cappellaro, E.; Turatto, M. (1999). "The Asiago Supernova Catalogue - 10 years after". Astronomy and Astrophysics Supplement Series. 139 (3): 531. arXiv:astro-ph/9908046. Bibcode:1999A&AS..139..531B. doi:10.1051/aas:1999404.
  10. ^ "SN 1940A". Transient Name Server. IAU. Retrieved 2 January 2025.
  11. ^ a b "Your NED Search Results". ned.ipac.caltech.edu. Retrieved 2020-06-26.
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Wikimedia Commons has media related to NGC 5907.
  • NGC 5907 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
  • Ghost of a Dwarf Galaxy (Fossils of the Hierarchical Formation of the Nearby Spiral Galaxy NGC 5907)
  • Astronomy Picture of the Day: NGC 5907 (2008 June 19 )
  • Fossils of the Hierarchical Formation of the Nearby Spiral Galaxy NGC5907 (arXiv:0805.1137)
  • SEDS – NGC 5907
  • Hunting ghosts Hunting ghosts: the iconic stellar stream(s) around NGC 5907 under scrutiny


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