If you made any changes in Pure these will be visible here soon.

Personal profile

Fields of Science

  • 115 Astronomy, Space science
  • 615 History and Archaeology

International and National Collaboration Publications and projects within past five years.

Publications 2008 2018

Evidence of periodicity in ancient Egyptian calendars of lucky and unlucky days

Porceddu, S., Jetsu, L., Markkanen, T. & Toivari-Viitala, J., 2008, In : Cambridge Archaeological Journal. 18 , p. 327-339

Research output: Contribution to journalArticleScientificpeer-review

Shifting Milestones of Natural Sciences: The Ancient Egyptian Discovery of Algol’s Period Confirmed

Jetsu, L. & Porceddu, S. D., 17 Dec 2015, In : PLoS One. 10, 12, e0144140.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

DID THE ANCIENT EGYPTIANS RECORD THE PERIOD OF THE ECLIPSING BINARY ALGOL-THE RAGING ONE?

Jetsu, L., Porceddu, S., Lyytinen, J., Kajatkari, P., Lehtinen, J. J., Markkanen, T. & Toivari-Viitala, J., 10 Aug 2013, In : Astrophysical Journal. 773, 1, 14 p., 1.

Research output: Contribution to journalArticleScientificpeer-review

Algol as Horus in the Cairo Calendar: the possible means and the motives of the observations

Porceddu, S., Jetsu, L., Markkanen, T., Lyytinen, J., Kajatkari, P., Lehtinen, J. & Toivari-Viitala, J., 5 Oct 2018, In : Open Astronomy. 27, 1, p. 232-263 32 p.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
File

Periodicity in some light curves of the solar analogue V352 Canis Majoris

Kajatkari, P., Jetsu, L., Cole, E., Hackman, T., Henry, G. W., Joutsiniemi, S. -L., Lehtinen, J., Mäkelä, V., Porceddu, S., Ryynanen, K. & Solea, V., May 2015, In : Astronomy & Astrophysics. 577, 5 p., A84.

Research output: Contribution to journalArticleScientificpeer-review

Activities 2012 2012

  • 1 Types for other activities - Other

"Did the Ancient Egyptians Record the Period of the Eclipsing Binary Algol -- The Raging one?"

Sebastian Porceddu (Participant)
27 Apr 201217 Dec 2012

Activity: Other activity typesTypes for other activities - Other

Press / Media

How an ancient Egyptian code unmasked a cannibal star

Sebastian Porceddu

19/09/2012

1 media contribution

Press/Media: Press / Media

Kun Sekhmet raivosi taivaalla

Sebastian Porceddu

29/05/2012

1 media contribution

Press/Media: Press / Media

Ancient Egyptian Calendar Reveals Earliest Record of 'Demon Star'

Sebastian Porceddu

15/05/2012

1 media contribution

Press/Media: Press / Media

Ancient scribes may have banked on blinking binary

Sebastian Porceddu

01/05/2012

1 media contribution

Press/Media: Press / Media