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Saturday, July 11, 2020 | History

2 edition of Variable stars in the Small Magellanic Cloud found in the catalog.

Variable stars in the Small Magellanic Cloud

Cecilia Helena Payne Gaposchkin

Variable stars in the Small Magellanic Cloud

by Cecilia Helena Payne Gaposchkin

  • 376 Want to read
  • 33 Currently reading

Published by Smithsonian Institution; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.] in Washington .
Written in English

    Places:
  • Magellanic Clouds.
    • Subjects:
    • Variable stars.,
    • Magellanic Clouds.

    • Edition Notes

      Bibliography: p. 18-20.

      Statementby Cecilia Payne-Gaposchkin and Sergei Gaposchkin.
      SeriesSmithsonian contributions to astrophysics ;, v. 9
      ContributionsGaposchkin, Sergei, 1898- joint author.
      Classifications
      LC ClassificationsQB461 .S6 vol. 9
      The Physical Object
      Pagination205 p.
      Number of Pages205
      ID Numbers
      Open LibraryOL5560820M
      LC Control Number67060442

      The Small Magellanic Cloud is considerably less massive than the Large Magellanic Cloud, and it is six times longer than it is wide. This narrow wisp of material points directly toward our Galaxy like an arrow. The Small Magellanic Cloud was most likely contorted into its current shape through gravitational interactions with the Milky Way. Observatory Director Edward Charles Pickering assigned Leavitt to the study of variable stars of the Small and Large Magellanic Clouds, as recorded on photographic plates taken with the Bruce Astrograph of the Boyden Station of the Harvard Observatory in Arequipa, Peru.

      "Periods of 25 Variable Stars in the Small Magellanic Cloud," Harvard College Observatory Circular () 3. Sobel, D. The Glass Universe: How the Ladies of the Harvard Observatory Took the Measure of the Stars. Penguin. 4. Johnson, G. Miss Leavitt's Stars: The Untold Story of the Woman Who Discovered How to Measure the Universe. A few plates going back to are available for the brightest stars. TABLE 1 VARIABLE STARS IN THE SMALL MAGELLANIC CLOUD Cepheid variables Long period variables 26 Irregular variables 51 Eclipsing stars 35 Total Details of the methods of measurement and reduction will be published by: 5.

      SAO/NASA Astrophysics Data System (ADS) Title: Variable Stars in the Small Magellanic Cloud Authors: Payne-Gaposchkin, C. & Gaposchkin, S. Journal: Smithsonian.   Finding variable stars. Henrietta Swan Leavitt measured the positions and brightnesses of stars in the Magellanic Clouds as recorded in the photographic plates. Leavitt stacked two photographic plates of the Small Magellanic Cloud taken on different nights on top of each other, and noticed that a number of stars changed brightness.


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Variable stars in the Small Magellanic Cloud by Cecilia Helena Payne Gaposchkin Download PDF EPUB FB2

VARIABLE STARS IN THE SMALL MAGELLANIC CLOUDS Paperback – January 1, Amazon Web Services Scalable Cloud Computing Services: Audible Listen to Books & Original Audio Performances: Book Depository Books With Free Delivery Author: Cecilia; and Sergei Gaposchkin Payne-Gaposchkin.

Buy Variable Stars in the Small Magellanic Cloud (Smithsonian Contributions to Astrophysics, Volume 9) on FREE SHIPPING on qualified orders Variable Stars in the Small Magellanic Cloud (Smithsonian Contributions to Astrophysics, Volume 9): Cecilia Payne-Gaposchkin and Sergei Gaposchkin: : Books.

Variable Stars Leavitt identified variable stars by gathering five images of one section of sky from different nights (four glass negatives and a positive print of a fifth) and overlaying each negative in turn on the positive print.

Periods of 25 Variable Stars in the Small Magellanic Cloud. Leavitt, Henrietta by: In a recent paper (Astron. 65,) Arp has suggested that a number of Cepheid variables in the Small Magellanic Cloud show changes of period.

An examination of the Harvard data for these stars does not reveal any appreciable changes of period. If there are changes of period, the material is not refined enough to reveal them.

Periods Of 25 Variable Stars In The Small Magellanic Cloud. The following statement regarding the periods of 25 variable stars in the Small Magellanic Cloud has been prepared by Miss Leavitt. A Catalogue of variable stars in the two Magellanic Clouds is given in H.A.

60, No. The data of 8, and 2, variable stars detected by the OGLE survey in the Large and Small Magellanic Clouds are presented. They are cross-identified with the SIRIUS JHK sur- vey data, and their infrared properties are discussed.

A very long term near-infrared variable star survey towards the Large and Small Magellanic Clouds was carried out using the m InfraRed Survey Facility at the South African Astronomical Observatory.

This project was initiated in December Cited by: 4. In Periods of 25 Variable Stars in the Small Magellanic Cloud, Leavitt and Pickering suggest a logarithmic relationship between the period and luminosity of a cepheid variable. We validate that the. Title: Variable Stars in the Small Magellanic Cloud: Authors: Silbermann, N.

A.; Smith, H. A.; Baird, S. R.; Graham, J. Publication: Bulletin of the American. Periods of Twenty-five Variable Stars in the Small Magellanic Cloud; On the Pulsations of a Gaseous Star and the Problem of the Cepheid Variables; Τ Tauri Variable Stars; Binary Stars among Cataclysmic Variables III: Ten Old Novae; The Discovery of White Dwarf Stars; On Dense Stars; Neutrino Theory of Stellar.

metric OGLE light curves of B-type variables in the Small Magellanic Cloud, M02 speculated that some of the quasi-periodic or periodic variables (Type-3 stars) they discovered might be pre-main sequence B stars surrounded by massive gas envelopes. Alternatively, we note that other objects described in the M02 and Sabogal et al.

() cat. Additional Physical Format: Online version: Payne-Gaposchkin, Cecilia, Variable stars in the Small Magellanic Cloud (OCoLC) Material Type. data. We classify the variable stars on the PK plane, and discuss the properties of each group.

The environmental effect on PK re-lations is discussed by comparing variable stars in the Large and Small Magellanic Clouds. 2 DATA IRSF/SIRIUS We are now conducting a NIR JHK monitoring survey toward the Magellanic Clouds using the InfraRed. Leavitt discovered hundreds of variable stars in the Large Magellanic Cloud and Small Magellanic Cloud, two great star systems that are actually neighboring galaxies (although they were not known to be galaxies then).

A small fraction of these variables were cepheids (Figure ). adshelp[at] The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A. Variable stars in the Small Magellanic Cloud.

Login. DSpace Home Cited by: Title: Periods of 25 Variable Stars in the Small Magellanic Cloud. Authors: Leavitt, H. & Pickering, E. Journal: Harvard College Observatory Circular, vol.pp Bibliographic Code: HarCiL. Complete bibliographic record Other article options Print this article.

Leavitt's idea that the blinking rate of variable stars is related to their intrinsic brightness was inspired by her observations of the clustered stars in the Small Magellanic Cloud.

Brighter stars in this cloud had predictably slower blinking rates than dimmer stars. This atlas of the Small Magellanic Cloud presents information regarding the nature and location of many of the thousands of objects of various kinds so far discovered in that galaxy.

The atlas consists of an explanatory booklet and two sets (yellow and blue) of identification charts which show variable stars, star clusters, emission nebulae, bright supergiants, and other interesting Cited by:. The Small Magellanic Cloud is a favorite stargazing target for southern hemisphere observers.

It's actually a galaxy. Astronomers classify it as a dwarf irregular type galaxy that is roughlylight-years from our Milky Way is part of the Local Group of more than 50 galaxies that are gravitationally bound together in this region of the universe.WISE has captured images of the Small Magellanic Cloud which is aroundlight-years away.

The images were able to show the irregular shape of SMC and viewing with different infrared light displays the cyan and blue colors that represent stars and the .EXAMINING THE INFRARED VARIABLE STAR POPULATION DISCOVERED IN THE SMALL MAGELLANIC CLOUD USING THE SAGE-SMC SURVEY Elizabeth Polsdofer1,2,7, J.

Seale3, Cepheid variable stars (%), early type stars (%), Young-stellar objects (%), and background galaxies (%). We found a candidate OH maser star, SSTISAGE1C J