PPT-If the stars in a binary-star system

are relatively widely separated their evolution proceeds much as it would have if they were not companions If they are closer it is possible for material to transfer from one star to another . Double Stars/Binary Stars. . Binary Star. Double Star. Earth. Earth. Visual Binary Stars. Orbit of Star 1. Orbit of Star 2. Center of Mass. Sirius A & B. Orbit of 12 Persei. (Barlow, Scarfe, and Fekel. do not live alone. B. ackground Design E. . Buunk. / S.E. de Mink, . HST image: NASA . Paresce. Selma E. de Mink. Hubble Science Briefing . , . February 7, 2013. Hubble Fellow at Space Telescope Science Institute / Johns Hopkins University. Bruce MacEvoy. Maui International Double Star Conference. February, 2013. http://www.handprint.com/ASTRO/PREZ/DSCampaign.pptx. Why a “Campaign”?. A personal achievement and recreation in visual astronomy. The Sun and the Stars. The Sun and the Stars. Binary stars:. Most stars are found in binary or multiple systems.. Binary star systems consist of 2 stars which are gravitationally bound with each star. body. . interactions. and . Boson. . Stars. . . Jacksonville, 15 . April. 2007. Carlos . Palenzuela. (1). , . I.Olabarrieta. (1). ,L. . Lehner. (1). ,S. . Liebling. (2). with. Stars come in a wide range of temperatures, sizes, masses and colors. The constellation of Orion is a good example of the variety of stars. How can we learn about stars?. Suppose you are an alien with three days to learn everything you can about the human species. Fall 2014. . Lecture 10; November 6, 2014. Next Thursday!. Astro. 1 Observing Session (Optional, Just for Fun). WHEN: November 13. th. at 7-9pm . Same time Nov. 20. th. if the 13. th. is cloudy. B-V color index way of quantifying this - determining spectral class - using two different filters. one a blue (B) filter that only lets a narrow range of colors or wavelengths through centered on the blue colors, . Masses: . Binary Stars. . The HR Diagram Again. A Diagram for . People. Q. : . What . is happening here. ? . A: . People . grow. . They . are born small, and then grow in height and mass as they age (with a fair bit of individual scatter).. due Monday – this covers stars, Chapter 10. Practice problems: . Problem sets 6A and 6B. Upcoming schedule: we’ll . start . Chapter 11 on Monday. Announcements. Astronomy 103. The Stars. Please read chapter 10. of . planetary nebulae, . jets and cosmic . outbursts. Orsola De . Marco. Macquarie University. Collaborators: . Jan Staff (Florida State). Jean-Claude Passy (Bonn U). Roberto Iaconi (Macquarie U). Todd . 25 years of Astronomy. Etteyeb Nejmeddine. 21 years old. The Astronomical Society of Tunisia (SAT) . The Charlie Bates Solar Astronomy Project (CBSAP). Computer Science . What Are Variable Stars?. Detecting variability. Gordon Myers. AAVSO Speakers Bureau. ALCON 2009. Historical Perspective – Mira. David . Fabricius. discovered “omicron . ceti. ” in 1596. Brightened from 3. rd. I just realized that I scheduled our next exam for November 3, election day. This could be the most important election in modern history and I want to make sure you have every opportunity to vote. So I am rescheduling the exam for November 5. VOTE!.