modified-Julian date

См. также в других словарях:

• modified Julian day — (MJD)    a count of days used by astronomers, space agencies, and others. Astronomers have long used the Julian day, a count of days beginning at noon Universal Time January 1, 4713 BC, as a means of specifying a date independent of all calendars …   Dictionary of units of measurement

• Julian day — JDN redirects here. For the military IT system, see Joint Data Network. For the comic book character Julian Gregory Day, see Calendar Man. Not to be confused with Julian year (disambiguation). Julian day is used in the Julian date (JD) system of… …   Wikipedia

• Julian calendar — The Julian calendar began in 45 BC (709 AUC) as a reform of the Roman calendar by Julius Caesar. It was chosen after consultation with the astronomer Sosigenes of Alexandria and was probably designed to approximate the tropical year (known at… …   Wikipedia

• Julian day — (JD)    a continuous count of days beginning with January 1, 4713 BC ( 4712 CE), which is start of what is called the Julian period. The French scholar Joseph Justus Scaliger (1540 1609) introduced the Julian period in 1582 (the same year the… …   Dictionary of units of measurement

• Ivan Julian — Infobox musical artist Name = Ivan Julian Img capt = Ivan Julian Img size = 250px Born = Birth date and age|1955|6|26|mf=y Instrument = Guitar, Bass guitar, Vocals, Genre = Punk rock Rock roll Occupation = Musician, singer, songwriter, producer… …   Wikipedia

• MJD — • Modified Julian Date = JD 2400000.5, entspricht der Zahl der Tage seit dem 17.11.1858 0 Uhr Astronomie • Mohenjo Daro, Pakistan internationale Flughafen Kennung …   Acronyms

• MJD — Modified Julian Date Contributor: MSFC …   NASA Acronyms

• List of astronomy acronyms — This is a compilation of acronyms commonly used in astronomy. Most of the acronyms are drawn from professional astronomy and are used quite frequently in scientific publications. However, a few of these acronyms are frequently used by the general …   Wikipedia

• Timekeeping on Mars — Various schemes have been used or proposed to keep track of time and date on the planet Mars independently of Earth time and calendars. Mars has an axial tilt and a rotation period similar to those of Earth. Thus it experiences seasons of spring …   Wikipedia

• Program Specific Information — (PSI) is metadata, part of MPEG transport stream.The PSI data contains four tables: PAT (Program Association Table), CAT (Conditional Access Table), PMT (Program Map Table) and NIT (Network Information Table). This last table is normally not used …   Wikipedia

• SCALIGER (PÉRIODE JULIENNE DE) — SCALIGER PÉRIODE JULIENNE DE Système romain, réforme julienne, années juliennes erronées, réforme grégorienne adoptée à des époques différentes selon les pays: la confusion historique des calendriers est telle que les chronologistes, pour les… …   Encyclopédie Universelle