headerfull2en

  • Educational Activities for Students

    The educational program for children at Thissio Visitor Center starts in October

  • Doridis Telescope

    Doridis Telescope

  • WMO certificate
  • ttod_photo01
  • August

    August 2017 | Photo: Theofanis Matsopoulos

  • CHARTE DES GEBIRGE DES MONDES

    Julius Schmidt, CHARTE DES GEBIRGE DES MONDES, 1878, ΝΟΑ Library

  • simonvouet English2

    Simon Vouet (1590 - 1649), The Muses Urania and Calliope (1634)

    National Gallery of Art, USA

  • Τηλεσκόπιο Αρίσταρχος English

    Aristarchos Telescope, Helmos Observatory

  • Helmos National Geographic English

    Helmos Observatory, Photography: Harry Katzjaeger
    Source: "Top Shots," National Geographic, June 2012

  • Eskimo Nebula NGC2392 English

    Eskimo Nebula (NGC2392), Aristarchos Telescope, Observer: Dr. Ioannis Alikakos (NOA)

    Digital Image Processing: Theofanis Matsopoulos.

  • Μουσείο Γεωαστροφυσικής English

    Geoastrophysics Museum, Thissio

  • Εκπαίδευση στο ΕΑΑ English

    Summer School in Astrophysics

  • Τηλεπισκόπηση-Γή English

    Remote Sensing & Earth Observation

  • Greece from ISS English

    Greece from the International Space Station

    Photography: Paolo Nespoli, ESA astronaut

  • 3D Sun English

    3D Image of the Sun from the Solar Dynamics Observatory (SDO) mission of NASA.

    Source: NASA's Solar Dynamics Observatory

  • Helicorder English

    Analogue seismograph recorder

  • Geothermal English
  • Παλιρροιογραφος English

    Tide-gauge of the Instittute of Geodynamics at Vlyhada, Santorini.

  • Πειραμα Ulusses English
    Recovered  Ocean Bottom Seismometers on board of research vessel in the frame of the ULYSSES scientific program
  • Meteo historic archive english

    The historic archive of NOA/IERSD with recordings of climatic observations dated from the mid-19th century is one of the oldesr sources of climatic information for Eastern Medirranean.

  • Meteo time-series graph English

    The evolution of the average annual temperature in Athens from the mid-19th century until today, according to the records of the historic station NOA/IERSD (Hill Nymphs Thission).

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

  • Researchers Night 2014

    Pnyx Hill: Citizens observe the night sky through telescopes of NOA

    Researchers Night 2014

Acronym:

MISSING LINKS

Title:

MISSING LINKS " REVEALD BY THEIR OWN DUST: IDENTIFYING THE MISSING LINKS IN MASSIVE STAR EVOLUTION"

Funding Organization:

General Secretariat for Research and Technology/ NSRF 2007-2013/Action: Excellence

NOA Role:

Contractor

Scientist in charge:

Dr. A. Bonanos

Start Date:

26/09/2012

End Date:

25/09/2015

Project Website:

N/A

Number of personnel

under NOA contracts

4

Summary

We are conducting a systematic study of rare, luminous dusty massive stars in nearby (D< 10 Mpc) galaxies. Luminous blue variables (LBVs), supergiant B[e], some Wolf-Rayet stars and red supergiants belong to this class of dusty objects, their rarity implying a very short but perhaps critical stage in the evolution of massive stars. The role of mass loss from massive stars, especially episodic mass loss in evolved massive stars, is one of the outstanding open questions facing stellar evolution theory, and the proposed research has the potential to dramatically transform this field by providing crucial data on the properties and statistics of systems most obscured by their own mass loss. This goal will be accomplished by identifying the most luminous infrared sources in many nearby galaxies from their mid-IR color-magnitude diagrams (produced from copious archival Spitzer Space Telescope images) and then observing these sources with optical and near-IR imaging and spectroscopy.

 

Events Calendar

Mon Tue Wed Thu Fri Sat Sun
1
2
4
7
8
9
11
14
15
16
18
21
22
23
25
28
29
30

Penteli Visitor Center
Thissio Visitor Center
Geoastrophysics Museum
Educational program on Meteorology
Multiple Events

Real Time Seismicity

Institute of Geodynamics
seismografoi thumb

Weather Forecast

 

View the latest weather forecasts, maps, and alerts for Greece on meteo.gr
meteo-logo-thumb

 

The Sky Today

IAASARS

mainlogo ypourgiodiavgeia logoΓενική Γραμματεία Έρευνας & Τεχνολογίας - General Secretariat of Research & Technology