释义 |
- References
{{Infobox globular cluster | name = NGC 6584 | image = | epoch = J2000 | class = | ra = {{RA|18|18|37.60}} | dec = {{DEC|–-52|12|56.8}} | dist_ly = 45000[3] | appmag_v = | size_v = 7.9' | constellation = Telescopium | mass_msol = | radius_ly = | v_hb = | metal_fe = | age = | notes = | names = }}NGC 6584 is a globular cluster in the constellation Telescopium that lies near Theta Arae and is 45000 light-years distant.[3] It is an Oosterhoff type I cluster, and contains at least 69 variable stars, most of which are RR Lyrae variables: 46 stars were identified as RRab variables, 15 as RRc variables, 1 RRe variable, 4 eclipsing binaries and 3 long period variables.[5] NGC 6584 is about 4 kpc from the Galactic center and about 2.7 kpc from the Galactic plane.[1]References{{commons category|NGC 6584}}1. ^"Physical Parameters of Galactic Globular Clusters" by S. Djorgovski 2. ^1 2 {{cite journal | last = Streicher | first = Magda | date = August 2009 | title = A Spyglass Telescope | volume = 68 | pages = 168 | journal = Deepsky Delights | url = http://mnassa.saao.ac.za/sections/deepsky/delights/2009_aug_deepsky_delights.pdf | accessdate = 29 September 2012 | bibcode = 2009MNSSA..68..168S }} 3. ^1 {{cite journal | last1 = Toddy | first1 = Joseph M. | last2 = Johnson | first2 = Elliott W. | last3 = Darragh | first3 = Andrew N. | last4 = Murphy | first4 = Brian W. | date = 2012 | title = New Variable Stars in the Globular Cluster NGC 6584 | journal = Journal of the Southeastern Association for Research in Astronomy | volume = 6 | pages = 63–71 | arxiv = 1205.1034 | ref = {{sfnRef|Toddy et al.|2012}} | bibcode = 2012JSARA...6...63T }}
[2][3] }}{{Star-cluster-stub}} 3 : Telescopium (constellation)|Globular clusters|NGC objects |