Comet Arend-Roland

Comet Arend-Roland

Infobox Comet
name=C/1956 R1 (Arend-Roland)

Taken at the Armagh Observatory on April 25, 1957 [http://star.arm.ac.uk/archive-exhibit/4.html]
discoverer=Sylvain Arend,
Georges Roland
discovery_date=1956
designations=Great Comet of 1957,
1957 III, 1956h, 1956 R1
epoch=2435920.5 (March 23, 1957)
semimajor=N/A
perihelion=0.316 AU
aphelion=N/A
eccentricity=1.00017
period=N/A
inclination= 119.9°
last_p=April 8, 1957
next_p=N/A

Comet Arend-Roland, formally designated C/1956 R1, 1957 III, and 1956h, was discovered on November 8, 1956, by Sylvain Arend and Georges Roland on photographic plates. It appeared brightest in 1957 and became very bright as it passed through the inner solar system. It was notable for the appearance after perihelion of a prominent antitail. It was travelling on a hyperbolic orbit, meaning it is travelling fast enough to escape from the solar system entirely.

External links

* [http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=1956R1;orb=1 Orbital simulation] from JPL (Java) / [http://ssd.jpl.nasa.gov/horizons.cgi?find_body=1&body_group=sb&sstr=1956R1 Ephemeris]
* [http://cometography.com/lcomets/1956r1.html C/1956 R1 (Arend-Roland)]
* [http://www.daviddarling.info/encyclopedia/A/Arend-Roland.html Picture of Antitail]


Wikimedia Foundation. 2010.

Игры ⚽ Поможем написать курсовую

Look at other dictionaries:

  • Comet Arend–Roland — C/1956 R1 (Arend–Roland) Discovery Discovered by: Sylvain Arend, Georges Roland Discovery date: 1956 Alternate designations: 1957 III, 1956h, C/1956 R1 …   Wikipedia

  • Komet Arend-Roland — C/1956 R1 (Arend Roland) Eigenschaften des Orbits (Animation) Orbittyp …   Deutsch Wikipedia

  • Arend-Roland, Comet — ▪ astronomy       long period comet remarkable for its anomalous second tail, which projects toward rather than away from the Sun. It was one of the brightest naked eye comets of the 20th century. It was discovered photographically on the night… …   Universalium

  • Great Comet — A Great Comet is a comet which becomes particularly bright and is very spectacular to a casual observer on Earth. Great comets appear, on average, once every decade. Predicting whether a comet will become a great comet is notoriously difficult,… …   Wikipedia

  • Sylvain Julien Victor Arend — (August 6 1902–February 18 1992) was a Belgian astronomer born in Robelmont, Luxembourg. His main interest was astrometry.Together with Georges Roland, he discovered the bright comet C/1956 R1 (Arend Roland). He also discovered or co discovered… …   Wikipedia

  • Antitail — Comet Lulin antitail to the left, ion tail to right An Antitail is a term used in astronomy to describe one of the three tails, all pointing in different directions, which may appear to emanate from a comet as it passes close to the Sun. The… …   Wikipedia

  • C/1956 R1 (Аренда — C/1956 R1 (Аренда–Ролана) Открытие Первооткрыватель: Сильвен Аренд, Жорж Ролан Дата открытия: 1956 Альтернативные обозначения: 1957 III …   Википедия

  • List of non-periodic comets — Non periodic comets (or long period comets) are comets that do not have confirmed observations at more than one perihelion passage,[1] and thus generally have orbital periods of 200 years or more. They include single apparition comets that pass… …   Wikipedia

  • Арен, Сильвен Жюльен Виктор — Сильвен Жюльен Виктор Арен Sylvain Julien Victor Arend Дата рождения: 6 августа 1902(1902 08 06) Место рождения: fr:Robelmont, провинция Люксемб …   Википедия

  • Список долгопериодических комет — Ниже приведён список некоторых долгопериодических комет. Долгопериодическими считаются кометы с периодом, как правило, более 200 лет. Обозначение Русское название Международное название Первооткрыватель, или человек, имя которого носит комета… …   Википедия

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”