NGC 7130

NGC 7130
NGC 7130
	NGC 7130 by the Hubble Space Telescope
Observation data (J2000 epoch)
Constellation	Piscis Austrinus
Right ascension	21h 48m 19.5s
Declination	−34° 57′ 04″
Redshift	0.016151 ± 0.000050
Heliocentric radial velocity	4,842 ± 15 km/s
Distance	221 Mly (68 Mpc)
Apparent magnitude (V)	12.1
Characteristics
Type	Sa pec
Apparent size (V)	1.5′ × 1.4′
Notable features	Seyfert and starburst galaxy
Other designations
	IC 5135, ESO 403- G032, AM 2145-351, MCG -06-47-015, PGC 67387

NGC 7130 (also known as IC 5135) is a spiral galaxy located in the constellation Piscis Austrinus. It is located at a distance of about 220 million light years from Earth, which, given its apparent dimensions, means that NGC 7130 is about 100,000 light years across.^[1] It was discovered by John Herschel on September 25, 1834, and discovered independently by Lewis Swift on September 17, 1897.^[2] The location of the galaxy given in the New General Catalogue was off by 30 arcminutes in declination from the location of the galaxy.^[3]

Characteristics

NGC 7130 is characterised as a peculiar galaxy based on its distorted shape. The galaxy has two faint arms towards the south, while north of the galaxy there is diffuse H-alpha emission. Two knots with H-alpha emission are observed southeast of the galaxy.^[4] The galaxy has star streams and trailing tidal arms.^[5] It has been suggested that the distorted shape of NGC 7130 is the result of the interaction with another galaxy.^[4]^[5] In the infrared K-band a bar is visible.^[6] The total infrared luminosity of NGC 7130 is 2.2×10¹¹ L_☉ (10^11.35 L_☉) and it is categorised as a luminous infrared galaxy.^[7]

Nucleus

NGC 7130 has a bright nucleus which is characterised as active. The galaxy features optical emission lines typical of a type 2 Seyfert galaxy, with broad lines and strong emission lines from high ionisation elements, like [He II], however the ultraviolet spectrum is more consistent with the emission produced by young, massive O-type stars, suggesting an active starburst in the nucleus.^[8] More detailed observations in ultraviolet reveal an asymmetric circumnuclear starburst ring with several knots. The total span of the ring is one arcsecond, which corresponds to 310 pc, in the north-south direction, and 0.7 arcseconds, which corresponds to 220 pc, in east-west direction. Ultraviolet emission is also observed at the inner part of the spiral arms at the leading edge of the bar.^[9]

The galaxy emits also X-rays. Based on observations by Chandra X-ray Observatory it was found that the two thirds of the X-ray emission at 0.3–8 keV of the galaxy comes from the circumnuclear starburst activity and the galaxy disk, while the rest was attributed to an active galactic nucleus (AGN) hidden by a Compton-thick column with column density over 10²⁴ cm⁻². The percentage attributed to the AGN exceeds 50% at higher energies, over 2 keV.^[10] The transition from the emission of the AGN to that of the starburst is smooth, as seen by the different ionisation states of the gas around the nucleus. The extended narrow-line region of NGC 7130 is estimated to have a radius of 1.8±0.8 kpc. There is also an outflowing wind, whose origin however cannot be determined accurately.^[5]

In the centre of NGC 7130 lies a supermassive black hole whose mass is estimated to be 3.9×10⁷ M_☉ (10^7.59 M_☉) based on stellar velocity dispersion.^[11] The star formation rate in the central kiloparsec of NGC 7130 is estimated to be 4.3 M_☉ per year.^[12] The total star formation rate of the galaxy is estimated to be 21 M_☉ per year.^[13]

Supernovae

Two supernovae have been observed in NGC 7130: SN 2010bt (type IIn, mag 15.9),^[14] and SN 2017hgz (type Ia, mag 15.1).^[15]

Nearby galaxies

NGC 7130 belongs in a galaxy group known as LGG 445. Other members of the galaxy group include NGC 7057, IC 5105, NGC 7087, NGC 7060, NGC 7072, NGC 7075, NGC 7110, IC 5128, and IC 5139.^[16] Near NGC 7130 lie also the distorted NGC 7135, 18 arcminutes to the east, and IC 5131, 12 arcminutes to the west.^[17] It has been suggested that the distortion of NGC 7130 was caused by an interaction with one of these two galaxies,^[17] however, they have nearly half the redshift.^[18]

References

^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ "NASA/IPAC Extragalactic Database". Results for NGC 7130. Retrieved 2016-01-18.
^ Seligman, Courtney. "NGC 7130 (= IC 5135 = PGC 67387)". Celestial Atlas. Retrieved 19 November 2018.
^ de Vaucouleurs, Gerard Henri; de Vaucouleurs, Antoinette; Shapley, Harlow (1964). Reference catalogue of bright galaxies. Austin: University of Texas Press. Bibcode:1964rcbg.book.....D.
^ ^a ^b Dopita, M. A.; Pereira, M.; Kewley, L. J.; Capaccioli, M. (November 2002). "Star Formation Rates in Interacting Starburst Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 47–72. Bibcode:2002ApJS..143...47D. doi:10.1086/342624.
^ ^a ^b ^c Davies, Rebecca L.; Rich, Jeffrey A.; Kewley, Lisa J.; Dopita, Michael A. (21 April 2014). "Starburst–AGN mixing – I. NGC 7130". Monthly Notices of the Royal Astronomical Society. 439 (4): 3835–3846. arXiv:1402.0493. Bibcode:2014MNRAS.439.3835D. doi:10.1093/mnras/stu234. S2CID 55816252.
^ Mulchaey, John S.; Regan, Michael W.; Kundu, Arunav (June 1997). "The Fueling of Nuclear Activity. I. A Near-Infrared Imaging Survey of Seyfert and Normal Galaxies". The Astrophysical Journal Supplement Series. 110 (2): 299–319. Bibcode:1997ApJS..110..299M. doi:10.1086/313005.
^ Sanders, D. B.; Mazzarella, J. M.; Kim, D.-C.; Surace, J. A.; Soifer, B. T. (October 2003). "The IRAS Revised Bright Galaxy Sample". The Astronomical Journal. 126 (4): 1607–1664. arXiv:astro-ph/0306263. Bibcode:2003AJ....126.1607S. doi:10.1086/376841. S2CID 14825701.
^ Thuan, T. X. (June 1984). "Ultraviolet observations of starburst and mini-Seyfert galactic nuclei". The Astrophysical Journal. 281: 126. Bibcode:1984ApJ...281..126T. doi:10.1086/162081.
^ Gonzalez Delgado, Rosa M.; Heckman, Timothy; Leitherer, Claus; Meurer, Gerhardt; Krolik, Julian; Wilson, Andrew S.; Kinney, Anne; Koratkar, Anuradha (20 September 1998). "Ultraviolet-Optical Observations of the Seyfert 2 Galaxies NGC 7130, NGC 5135, and IC 3639: Implications for the Starburst–Active Galactic Nucleus Connection". The Astrophysical Journal. 505 (1): 174–198. arXiv:astro-ph/9806107. Bibcode:1998ApJ...505..174G. doi:10.1086/306154. S2CID 119098033.
^ Levenson, N. A.; Weaver, K. A.; Heckman, T. M.; Awaki, H.; Terashima, Y. (January 2005). "Deconstructing NGC 7130". The Astrophysical Journal. 618 (1): 167–177. arXiv:astro-ph/0411644. Bibcode:2005ApJ...618..167L. doi:10.1086/425913. S2CID 15228036.
^ Marinucci, Andrea; Bianchi, Stefano; Nicastro, Fabrizio; Matt, Giorgio; Goulding, Andy D. (1 April 2012). "The Link between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies". The Astrophysical Journal. 748 (2): 130. arXiv:1201.5397. Bibcode:2012ApJ...748..130M. doi:10.1088/0004-637X/748/2/130. S2CID 38183296.
^ Diamond-Stanic, Aleksandar M.; Rieke, George H. (20 February 2012). "The Relationship between Black Hole Growth and Star Formation in Seyfert Galaxies". The Astrophysical Journal. 746 (2): 168. arXiv:1106.3565. Bibcode:2012ApJ...746..168D. doi:10.1088/0004-637X/746/2/168. S2CID 119277531.
^ Gruppioni, C.; Berta, S.; Spinoglio, L.; Pereira-Santaella, M.; Pozzi, F.; Andreani, P.; Bonato, M.; De Zotti, G.; Malkan, M.; Negrello, M.; Vallini, L.; Vignali, C. (1 June 2016). "Tracing black hole accretion with SED decomposition and IR lines: from local galaxies to the high-z Universe". Monthly Notices of the Royal Astronomical Society. 458 (4): 4297–4320. arXiv:1603.02818. Bibcode:2016MNRAS.458.4297G. doi:10.1093/mnras/stw577. S2CID 53417437.
^ Transient Name Server entry for SN 2010bt. Retrieved 23 March 2023.
^ "Bright Supernova pages - Most prolific galaxies". www.rochesterastronomy.org.
^ Garcia, A. M. (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100 (1): 47–90. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.
^ ^a ^b Allan Sandage (1994). The Carnegie atlas of galaxies. 1 (1994). p. 15.
^ Makarov, Dmitry; Karachentsev, Igor (21 April 2011). "Galaxy groups and clouds in the local (z~ 0.01) Universe". Monthly Notices of the Royal Astronomical Society. 412 (4): 2498–2520. arXiv:1011.6277. Bibcode:2011MNRAS.412.2498M. doi:10.1111/j.1365-2966.2010.18071.x. S2CID 119194025.

External links

NGC 7130 on WikiSky: DSS2, SDSS, GALEX, IRAS, Hydrogen α, X-Ray, Astrophoto, Sky Map, Articles and images
NGC 7130 on SIMBAD

[ned-1] ^ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ "NASA/IPAC Extragalactic Database". Results for NGC 7130. Retrieved 2016-01-18.

[Seligman-2] Seligman, Courtney. "NGC 7130 (= IC 5135 = PGC 67387)". Celestial Atlas. Retrieved 19 November 2018.

[3] Vaucouleurs, Gerard Henri; de Vaucouleurs, Antoinette; Shapley, Harlow (1964). Reference catalogue of bright galaxies. Austin: University of Texas Press. Bibcode:1964rcbg.book.....D.

[Dopita-4] Dopita, M. A.; Pereira, M.; Kewley, L. J.; Capaccioli, M. (November 2002). "Star Formation Rates in Interacting Starburst Galaxies". The Astrophysical Journal Supplement Series. 143 (1): 47–72. Bibcode:2002ApJS..143...47D. doi:10.1086/342624.

[Davies2014-5] Davies, Rebecca L.; Rich, Jeffrey A.; Kewley, Lisa J.; Dopita, Michael A. (21 April 2014). "Starburst–AGN mixing – I. NGC 7130". Monthly Notices of the Royal Astronomical Society. 439 (4): 3835–3846. arXiv:1402.0493. Bibcode:2014MNRAS.439.3835D. doi:10.1093/mnras/stu234. S2CID 55816252.

[6] Mulchaey, John S.; Regan, Michael W.; Kundu, Arunav (June 1997). "The Fueling of Nuclear Activity. I. A Near-Infrared Imaging Survey of Seyfert and Normal Galaxies". The Astrophysical Journal Supplement Series. 110 (2): 299–319. Bibcode:1997ApJS..110..299M. doi:10.1086/313005.

[7] Sanders, D. B.; Mazzarella, J. M.; Kim, D.-C.; Surace, J. A.; Soifer, B. T. (October 2003). "The IRAS Revised Bright Galaxy Sample". The Astronomical Journal. 126 (4): 1607–1664. arXiv:astro-ph/0306263. Bibcode:2003AJ....126.1607S. doi:10.1086/376841. S2CID 14825701.

[8] Thuan, T. X. (June 1984). "Ultraviolet observations of starburst and mini-Seyfert galactic nuclei". The Astrophysical Journal. 281: 126. Bibcode:1984ApJ...281..126T. doi:10.1086/162081.

[9] Gonzalez Delgado, Rosa M.; Heckman, Timothy; Leitherer, Claus; Meurer, Gerhardt; Krolik, Julian; Wilson, Andrew S.; Kinney, Anne; Koratkar, Anuradha (20 September 1998). "Ultraviolet-Optical Observations of the Seyfert 2 Galaxies NGC 7130, NGC 5135, and IC 3639: Implications for the Starburst–Active Galactic Nucleus Connection". The Astrophysical Journal. 505 (1): 174–198. arXiv:astro-ph/9806107. Bibcode:1998ApJ...505..174G. doi:10.1086/306154. S2CID 119098033.

[10] Levenson, N. A.; Weaver, K. A.; Heckman, T. M.; Awaki, H.; Terashima, Y. (January 2005). "Deconstructing NGC 7130". The Astrophysical Journal. 618 (1): 167–177. arXiv:astro-ph/0411644. Bibcode:2005ApJ...618..167L. doi:10.1086/425913. S2CID 15228036.

[11] Marinucci, Andrea; Bianchi, Stefano; Nicastro, Fabrizio; Matt, Giorgio; Goulding, Andy D. (1 April 2012). "The Link between the Hidden Broad Line Region and the Accretion Rate in Seyfert 2 Galaxies". The Astrophysical Journal. 748 (2): 130. arXiv:1201.5397. Bibcode:2012ApJ...748..130M. doi:10.1088/0004-637X/748/2/130. S2CID 38183296.

[12] Diamond-Stanic, Aleksandar M.; Rieke, George H. (20 February 2012). "The Relationship between Black Hole Growth and Star Formation in Seyfert Galaxies". The Astrophysical Journal. 746 (2): 168. arXiv:1106.3565. Bibcode:2012ApJ...746..168D. doi:10.1088/0004-637X/746/2/168. S2CID 119277531.

[13] Gruppioni, C.; Berta, S.; Spinoglio, L.; Pereira-Santaella, M.; Pozzi, F.; Andreani, P.; Bonato, M.; De Zotti, G.; Malkan, M.; Negrello, M.; Vallini, L.; Vignali, C. (1 June 2016). "Tracing black hole accretion with SED decomposition and IR lines: from local galaxies to the high-z Universe". Monthly Notices of the Royal Astronomical Society. 458 (4): 4297–4320. arXiv:1603.02818. Bibcode:2016MNRAS.458.4297G. doi:10.1093/mnras/stw577. S2CID 53417437.

[14] Transient Name Server entry for SN 2010bt. Retrieved 23 March 2023.

[15] "Bright Supernova pages - Most prolific galaxies". www.rochesterastronomy.org.

[16] Garcia, A. M. (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement Series. 100 (1): 47–90. Bibcode:1993A&AS..100...47G. ISSN 0365-0138.

[Carnegie-17] Allan Sandage (1994). The Carnegie atlas of galaxies. 1 (1994). p. 15.

[Makarov-18] Makarov, Dmitry; Karachentsev, Igor (21 April 2011). "Galaxy groups and clouds in the local (z~ 0.01) Universe". Monthly Notices of the Royal Astronomical Society. 412 (4): 2498–2520. arXiv:1011.6277. Bibcode:2011MNRAS.412.2498M. doi:10.1111/j.1365-2966.2010.18071.x. S2CID 119194025.

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NGC 7130

Characteristics

Nucleus

Supernovae

Nearby galaxies

See also

References

External links

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