HD 157661
Encyclopedia
h 4949 or HJ 4949 is a double star
system in the constellation
of Ara
.
Double star
In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because the pair forms a binary star, i.e...
system in the constellation
Constellation
In modern astronomy, a constellation is an internationally defined area of the celestial sphere. These areas are grouped around asterisms, patterns formed by prominent stars within apparent proximity to one another on Earth's night sky....
of Ara
Ara (constellation)
Ara is a southern constellation situated between Scorpius and Triangulum Australe. Its name is Latin for "altar". Ara was one of the 48 Greek constellations described by the 2nd century astronomer Ptolemy, and it remains one of the 88 modern constellations defined by the International Astronomical...
.
External links
Centre de données astronomiques de StrasbourgCentre de Données astronomiques de Strasbourg
The Centre de données astronomiques de Strasbourg is a data hub which collects and distributes astronomical information. It was established in 1972 under the name Centre de Données Stellaires...
- VizieR Detailed Page: HR 6477 Hoffleit, D., Warren, Jr., W. H., (1991). The Bright Star Catalogue, (5th Revised Ed), CDS.
- VizieR Detailed Page: CCDM 17268-4550 Dommanget J., (2002) Catalog of Components of Double & Multiple stars, CDS.
- Aladin previewer: Image of SV* ZI 1312