Insights into the properties of the Local (Orion) spiral arm. NGC 2302: First results and description of the program

• Published in: Astronomy and astrophysics (Berlin) Vol. 580; p. A4
• Main Authors: Costa, Edgardo, Moitinho, André, Radiszc, Matías, Muñoz, Ricardo R., Carraro, Giovanni, Vázquez, Ruben A., Servajean, Elise
• Format: Journal Article
• Language: English
• Published: EDP Sciences 01.08.2015
• Subjects: Astronomy; Counting; Density; Galactic structure; Galaxy: disk; Milky Way Galaxy; open clusters and associations: general; open clusters and associations: individual: NGC 2302; proper motions; Radial velocity; Spirals; Stars

Context. The spiral structure of the Milky Way (MW) is highly uncertain and is the subject of much discussion nowadays. Even the spiral structure close to the Sun and the real nature of the so-called Local or Orion arm are poorly known. Aims. We present the first result from a program that determine...