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NGC 7048


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NGC 7048
Emission nebula

Planetary nebula
Observation data: J2000 epoch
Right ascension
24h 14m 15.25s[1]
Declination
+46° 17′ 16.1″[1]
Distance
5260 ly   (1613[2] pc)

Apparent magnitude (V)
12.1[3]
Apparent diameter
1.02′
Constellation
Cygnus
Designations
PK 088-01 1, PN ARO 41, IRAS 21124+4604

See also: Lists of nebulae

NGC 7048 is a planetary nebula in the constellation of Cygnus. The bright star to the lower left of the nebula is a magnitude 10.5 star, designated TYC 3589-4652-1. The nebula is slightly brighter along the west and east sides.[4] This planetary nebula has an apparent magnitude of 12.1. NGC 7048 was discovered by Édouard Stephan on 19 October 1878 using a 31.5-inch reflector.[5]


The central star of NGC 7048 is though to be a white dwarf. The planetary nebula itself has an elliptical shape; from its low surface brightness it is thought to be highly evolved.[4]



References[edit]





  1. ^ ab Massaro, F.; Giroletti, M.; d'Abrusco, R.; Masetti, N.; Paggi, A.; Cowperthwaite, Philip S.; Tosti, G.; Funk, S. (2014). "The Low-Frequency Radio Catalog of Flat-Spectrum Sources". The Astrophysical Journal Supplement Series. 213: 3. arXiv:1503.03483. Bibcode:2014ApJS..213....3M. doi:10.1088/0067-0049/213/1/3..mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""""'""'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}


  2. ^ Stanghellini, Letizia; Shaw, Richard A.; Villaver, Eva (2008). "The Magellanic Cloud Calibration of the Galactic Planetary Nebula Distance Scale". The Astrophysical Journal. 689: 194. arXiv:0807.1129. Bibcode:2008ApJ...689..194S. doi:10.1086/592395.


  3. ^ "Revised NGC Data for NGC 7048 - Hartmut Frommert - SEDS". seds.org. Retrieved 14 March 2017.


  4. ^ ab Davis, Christopher J.; Smith, Michael D.; Stern, Luke; Kerr, Thomas H.; Chiar, Jean E. (2003). "Near-infrared spectroscopy of (proto)-planetary nebulae: Molecular hydrogen excitation as an evolutionary tracer". Monthly Notices of the Royal Astronomical Society. 344: 262. Bibcode:2003MNRAS.344..262D. doi:10.1046/j.1365-8711.2003.06820.x.


  5. ^ Seligman, Courtney. "New General Catalogue objects: NGC 7000 - 7049". cseligman.com. Retrieved 14 March 2017.




External links[edit]



  • NGC 7048

  • NGC 7048 from Kopernik.org










Retrieved from "https://en.wikipedia.org/w/index.php?title=NGC_7048&oldid=799696388"





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