HE 0437-5439

Starbox begin
name=HE 0437-5439 Starbox image


caption = HE0437-5439 Starbox observe
epoch=J2000.0 (ICRS)
constell=Dorado
ra=RA|04|38|12.772 [http://adsabs.harvard.edu/abs/2003AcA....53..133U The Optical Gravitational Lensing Experiment. Additional Planetary and Low-Luminosity Object Transits from the OGLE 2001 and 2002 Observational Campaigns] , A. Udalski, G. Pietrzynski, M. Szymanski, M. Kubiak, K. Zebrun, I. Soszynski, O. Szewczyk, and L. Wyrzykowski, "Acta Astronomica" 53 (June 2003), pp. 133–149.]
dec=DEC|-54|33|11.86
-! style="background-color: #FFFFC0;" colspan="2" | Astrometry
- style="vertical-align: top;"
Spectral type
BV
- style="vertical-align: top;"
Apparent magnitude (V)
16.3
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Distance
200.000 Ly Starbox detail
mass=8
radius=?
luminosity=?
temperature=?
metal=?
rotation=?
age= 25 millionStarbox catalog
names=GSC2 S01132011256, HE 0437-5439, [BGK2006] HV 3. Starbox reference
Simbad=HE0437-5439

HE 0437-5439 is a massive, unbound hypervelocity main sequence B-type star. It was discovered in 2005 with the Kueyen 8.2 m telescope, which is part of the ESO VLT array. HE 0437-5439 is a young star at around 30 million years old.cite press release
title = Star on the Run - Speeding Star Observed with VLT Hints at Massive Black Hole
publisher = European Southern Observatory
date = 2005-11-09
url = http://www.eso.org/outreach/press-rel/pr-2005/pr-27-05_p2.html
accessdate = 2008-01-28 ] The mass of the star is almost nine times greater than the mass of the Sun and is 200,000 light years away in the direction of the Dorado constellation, 16 degrees northwest of the Large Magellanic Cloud (LMC) and further away than the LMC. The star appears to be receding at an extremely high velocity of 723 km/s, or 2.6 million kilometres per hour. At this speed, the star is no longer gravitationally bound and will leave the Milky Way galaxy system and escape into intergalactic space. It may have originated in the LMC and been ejected from it soon after birth. This could happen if it originally was one of a pair of stars and if there is a supermassive black hole in the LMC.cite news
title = Hyperfast Star Proven To Be Alien
work = Space & Time
publisher = Science Daily
date = 2008-01-28
url = http://www.sciencedaily.com/releases/2008/01/080128113256.htm
accessdate = 2008-01-28]

References