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- Q5177744 subject Q10653.
- Q5177744 subject Q5894358.
- Q5177744 subject Q7152540.
- Q5177744 subject Q8499090.
- Q5177744 subject Q8641743.
- Q5177744 abstract "MACHO-1997-BLG-41, commonly abbreviated as 97-BLG-41 or MACHO-97-BLG-41, was a gravitational microlensing event located in Sagittarius which occurred in July 1999. The source star is likely a giant or subgiant star of spectral type K located at a distance of around 8 kiloparsecs (26,000 light years). The lens star is a binary system approximately 10,000 light years away in the constellation Sagittarius. The two stars are separated from each other by about 0.9 AU and have an orbital period of around 1.5 years. The most likely mass of the system is about 0.3 times that of our Sun. Star A and star B are both red dwarfs.The first published model of the MACHO-1997-BLG-41 event using data from Mount Stromlo Observatory, Cerro Tololo Inter-American Observatory and Wise Observatory show the lens system as being located in the galactic bulge at a distance of 6.3 kiloparsecs (21,000 light years), a total system mass of about 0.8 times that of the Sun and a separation of 1.8 AU (the most likely value given a random orientation of the system). The individual components were assigned masses 0.6 and 0.16 times that of our Sun, making them an orange dwarf of spectral class K and a class M red dwarf respectively. According to this model, a planet with around 3.5 times the mass of Jupiter orbits in a circumbinary orbit around the two stars at a distance of around 7 AU (assuming random orientation of the system).Subsequently, an independent analysis with data from five different observatories revealed that the microlensing event could be interpreted as being caused by a low-mass binary system of two red dwarf stars located in the galactic disk if one considers their orbital motion, without the need to invoke a planetary mass. A further study combining both datasets confirmed this finding. The planet is thus considered disproven.".
- Q5177744 wikiPageExternalLink exoplanet.eu.
- Q5177744 wikiPageExternalLink simbad.
- Q5177744 wikiPageExternalLink 1191a?ck=nck.
- Q5177744 wikiPageExternalLink sim-id.pl?protocol=html&Ident=MACHO+97-BLG-41.
- Q5177744 wikiPageExternalLink 97-BLG-41.html.
- Q5177744 wikiPageWikiLink Q1028022.
- Q5177744 wikiPageWikiLink Q1040208.
- Q5177744 wikiPageWikiLink Q1056113.
- Q5177744 wikiPageWikiLink Q10653.
- Q5177744 wikiPageWikiLink Q11423.
- Q5177744 wikiPageWikiLink Q1150541.
- Q5177744 wikiPageWikiLink Q1195622.
- Q5177744 wikiPageWikiLink Q12129.
- Q5177744 wikiPageWikiLink Q1310548.
- Q5177744 wikiPageWikiLink Q1457669.
- Q5177744 wikiPageWikiLink Q179600.
- Q5177744 wikiPageWikiLink Q1811.
- Q5177744 wikiPageWikiLink Q319.
- Q5177744 wikiPageWikiLink Q50053.
- Q5177744 wikiPageWikiLink Q523.
- Q5177744 wikiPageWikiLink Q525.
- Q5177744 wikiPageWikiLink Q531.
- Q5177744 wikiPageWikiLink Q580230.
- Q5177744 wikiPageWikiLink Q5875.
- Q5177744 wikiPageWikiLink Q5893.
- Q5177744 wikiPageWikiLink Q5894358.
- Q5177744 wikiPageWikiLink Q5961257.
- Q5177744 wikiPageWikiLink Q615753.
- Q5177744 wikiPageWikiLink Q6227.
- Q5177744 wikiPageWikiLink Q7152540.
- Q5177744 wikiPageWikiLink Q7433482.
- Q5177744 wikiPageWikiLink Q8499090.
- Q5177744 wikiPageWikiLink Q854155.
- Q5177744 wikiPageWikiLink Q863936.
- Q5177744 wikiPageWikiLink Q8641743.
- Q5177744 wikiPageWikiLink Q8866.
- Q5177744 wikiPageWikiLink Q8928.
- Q5177744 comment "MACHO-1997-BLG-41, commonly abbreviated as 97-BLG-41 or MACHO-97-BLG-41, was a gravitational microlensing event located in Sagittarius which occurred in July 1999. The source star is likely a giant or subgiant star of spectral type K located at a distance of around 8 kiloparsecs (26,000 light years). The lens star is a binary system approximately 10,000 light years away in the constellation Sagittarius.".
- Q5177744 label "MACHO-1997-BLG-41".