Category:HR 8799

**HR 8799**
	star in the constellation Pegasus
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	Wikipedia
Instance of	A-type star; Gamma Doradus variable; Lambda Boötis star;
Part of	Columba association;
Constellation	Pegasus;
Spectral class	F0+VkA5mA5;
Mass	1.56 M☉;
Diameter	2,004,400 km;
Distance from Earth	40.88 ±0.076 pc;
	Right ascension 346.86964883731 degree; Declination 21.13425299097 degree
Authority file
	Q584300; SIMBAD ID: HD 218396
	Reasonator; Scholia; Wikidocumentaries; PetScan; statistics; WikiMap; Locator tool; KML file; Search depicted;

English: HR 8799 is an A-type white main sequence variable star with four known planets.

Subcategories

This category has the following 4 subcategories, out of 4 total.

H

HR 8799 b‎ (11 F)
HR 8799 c‎ (11 F)
HR 8799 d‎ (7 F)
HR 8799 e‎ (7 F)

Media in category "HR 8799"

The following 37 files are in this category, out of 37 total.

Activity.png 1,365 × 623; 43 KB
Diagram of the (possible) HR 8799 Star System.png 1,125 × 282; 69 KB
Diagram of the HR 8799 star system.png 835 × 168; 69 KB
Disposition des planètes du système HR8799 comparée à celle des planètes du système solaire.png 800 × 600; 38 KB
HR 8799 Debris Disk.jpg 2,400 × 3,000; 1.23 MB
HR 8799 Exoplanet System (Hubble) (2021-023).png 3,642 × 1,834; 1.12 MB
HR 8799 Orbiting Exoplanets.gif 850 × 850; 416 KB
HR 8799 Orbiting Exoplanets.webm 3.3 s, 720 × 720; 232 KB
HR 8799 planet orbits highcontrast.png 1,032 × 1,032; 81 KB
HR 8799 planet orbits.png 1,032 × 1,032; 91 KB
HR 8799 posizione.png 2,147 × 1,825; 251 KB
HR 8799-starmap.png 3,902 × 2,950; 10.65 MB
Hr8799 orbit hd crop.webm 3.3 s, 1,680 × 1,680; 1.22 MB
Hr8799 orbit hd.gif 1,000 × 1,000; 580 KB
HR8799orbits it.svg 765 × 768; 53 KB
NASA's Webb to Study Young Exoplanets on the Edge (51145111761).png 3,642 × 1,834; 1.11 MB
NASA's Webb to Study Young Exoplanets on the Edge (51145898234).png 985 × 985; 115 KB
Planetary "First Family" (gemini-20091130-planetary-family).jpg 2,040 × 2,040; 289 KB
Planetary "First Family" (gemini-20091130-planetary-family).tiff 2,040 × 2,040; 2.96 MB
Planetary "First Family" (gemini0808a).jpg 2,136 × 2,128; 351 KB
Planetary "First Family" (gemini0808a).tiff 2,136 × 2,128; 6.1 MB
Planetary First Family Images (gemini0808b).jpg 2,136 × 2,240; 430 KB
Planetary First Family Images (gemini0808b).tiff 2,136 × 2,240; 13.72 MB
Planetary First Family Images (gemini0808d).jpg 1,024 × 512; 145 KB
Planetary First Family Images (gemini0808d).tiff 1,024 × 512; 696 KB
Planetary First Family Images (gemini0808e).jpg 1,887 × 1,795; 183 KB
Planetary First Family Images (gemini0808e).tiff 1,887 × 1,795; 949 KB
Planetary First Family Images (gemini0808f).jpg 1,966 × 2,908; 261 KB
Planetary First Family Images (gemini0808f).tiff 1,966 × 2,908; 857 KB
Planetary First Family Images (gemini0808g).jpg 2,048 × 2,048; 218 KB
Planetary First Family Images (gemini0808g).tiff 2,048 × 2,048; 955 KB
Planets Orbiting HR 8799.webm 4.0 s, 1,920 × 1,080; 743 KB
Surroundings of the star HR 8799.jpg 12,685 × 11,053; 54.64 MB
The Gemini planet imager produces stunning observations in its first year (gemini1501a).jpg 1,621 × 1,597; 284 KB
The Gemini planet imager produces stunning observations in its first year (gemini1501a).tiff 1,621 × 1,597; 1.38 MB
The Gemini planet imager produces stunning observations in its first year (gemini1501b).jpg 1,064 × 1,349; 210 KB
The Gemini planet imager produces stunning observations in its first year (gemini1501b).tiff 1,064 × 1,349; 708 KB