About: ADS 9731

Facets (new session)
Description
Metadata
Settings
- Rule:
- Inverse Functional Properties:
- "Same As":

About: ADS 9731 Goto Sponge NotDistinct Permalink

An Entity of Type : yago:WikicatF-typeMain-sequenceStars, within Data Space : dbpedia.org associated with source document(s)
QRcode icon

http://dbpedia.org/describe/?url=http%3A%2F%2Fdbpedia.org%2Fresource%2FADS_9731

ADS 9731 is a star system that consists of six stars, located in the constellation of Corona Borealis. Four of the stars are visually separate in the sky, forming a visual star system, which was resolved using adaptive optics in 1995. Two of these stars were themselves found to be spectroscopic binaries in 1998, resulting in a total of six known stars in the system. It is one of very few multiple star systems known to have at least six members. Hierarchy of orbits

Attributes	Values
rdf:type	Thing place dbo:Location schema:Place celestial body yago:WikicatM-typeMain-sequenceStars yago:CelestialBody109239740 yago:NaturalObject100019128 yago:Object100002684 yago:PhysicalEntity100001930 yago:WikicatG-typeMain-sequenceStars yago:WikicatHenryDraperCatalogueObjects yago:WikicatHipparcosObjects star yago:Star109444100 yago:Whole100003553 yago:WikicatF-typeMain-sequenceStars
rdfs:label	ADS 9731 (en)
rdfs:comment	ADS 9731 is a star system that consists of six stars, located in the constellation of Corona Borealis. Four of the stars are visually separate in the sky, forming a visual star system, which was resolved using adaptive optics in 1995. Two of these stars were themselves found to be spectroscopic binaries in 1998, resulting in a total of six known stars in the system. It is one of very few multiple star systems known to have at least six members. Hierarchy of orbits (en)
foaf:name	ADS 9731 (en)
dcterms:subject	Durchmusterung objects F-type main-sequence stars G-type main-sequence stars Henry Draper Catalogue objects Hipparcos objects M-type main-sequence stars Multiple star systems Corona Borealis
Wikipage page ID	39995985 (xsd:integer)
Wikipage revision ID	1117357982 (xsd:integer)
Link from a Wikipage to another Wikipage	Gaia EDR3 Durchmusterung objects F-type main-sequence stars G-type main-sequence stars Henry Draper Catalogue objects Hipparcos objects M-type main-sequence stars Multiple star systems Constellation Corona Borealis Apparent magnitude Adaptive optics J2000 Corona Borealis Spectroscopic binary Visual magnitude Visual binary Multiple star system
sameAs	ADS 9731 ADS 9731 ADS 9731 ADS 9731
dbp:wikiPageUsesTemplate	dbt:Chart dbt:Chart/end dbt:Chart/start dbt:Cn dbt:Convert dbt:Reflist dbt:Short_description dbt:Starbox_astrometry dbt:Starbox_begin dbt:Starbox_catalog dbt:Starbox_character dbt:Starbox_end dbt:Starbox_observe dbt:Starbox_orbit dbt:Starbox_reference dbt:DEC dbt:Odlist dbt:RA dbt:Stars_of_Corona_Borealis
appmag v	0001-02-09 (xsd:gMonthDay)
class	F4V, F5V, G4V, F3V, F7V, M3V? (en)
colwidth	25 (xsd:integer)
component	A (en) B (en) C (en) D (en)
constell	Corona Borealis
epoch	J2000
no heading	y (en)
p error	0.017500 (xsd:double) 0.019900 (xsd:double) 0.030700 (xsd:double) 0.032200 (xsd:double)
parallax	9.087000 (xsd:double) 9.094500 (xsd:double) 9.097000 (xsd:double) 9.110100 (xsd:double)
prop mo dec	−54.140 (en) −57.740 (en) −58.281 (en) −59.731 (en)
prop mo ra	71.824000 (xsd:double) 72.818000 (xsd:double) 73.197000 (xsd:double) 75.165000 (xsd:double)
has abstract	ADS 9731 is a star system that consists of six stars, located in the constellation of Corona Borealis. Four of the stars are visually separate in the sky, forming a visual star system, which was resolved using adaptive optics in 1995. Two of these stars were themselves found to be spectroscopic binaries in 1998, resulting in a total of six known stars in the system. It is one of very few multiple star systems known to have at least six members. Hierarchy of orbits The components are organised thus: Aa and Ab are yellow-white main sequence stars of spectral types F4V and F5V and 1.35 and 1.32 solar masses respectively, which orbit each other every 3.27 days. This pair is in a 450-year orbit with star B, a star of spectral type G4V that has around the same mass as the Sun. Star C is a yellow white star of spectral type F3V around 1.41 times as massive as the sun, which has just started brightening and moving off the main sequence. It is in a 1000-year orbit with a pair of stars, Da and Db, a yellow-white main sequence star of spectral type F7V and a red dwarf of spectral type M3V. Da and Db take 14.28-days to orbit each other. Finally the system of stars C and Dab, and the system of stars Aab and B, take over 20,000 years to orbit each other. The combined light from the whole system results in an integrated V magnitude of 6.9. Published apparent magnitudes for the components vary greatly and some are certainly in error, but components A, B, C, and D are approximately of visual magnitude 8, 10, 9, and 9 respectively. Models of all six components show that Aa and Ab have magnitudes 8.5 and 8.7 respectively while the faint secondary to component D is about 16th magnitude. The CD pair is slightly brighter than the AB pair, although component A is slightly brighter than component C. Gaia EDR3 catalogues parallaxes for the four resolved stars, all at a distance of 360 light-years (110 pc) with a statistical margin of error of less than a parsec. The star system has been considered as a possible target for direct imaging searches for exoplanets, but no planets have yet been detected in the system. (en)
gold:hypernym	System
prov:wasDerivedFrom	wikipedia-en:ADS_9731?oldid=1117357982&ns=0

Faceted Search & Find service v1.17_git139 as of Feb 29 2024

Alternative Linked Data Documents: ODE Content Formats:

RDF

ODATA

Microdata

About

OpenLink Virtuoso version 08.03.3330 as of Mar 19 2024, on Linux (x86_64-generic-linux-glibc212), Single-Server Edition (378 GB total memory, 49 GB memory in use)
Data on this page belongs to its respective rights holders.
Virtuoso Faceted Browser Copyright © 2009-2024 OpenLink Software