Hidra (sazvežđe)
| Sazvežđe | |
 [[Spisak zvezda u sazvežđu {{{ime}}}]] | |
| Latinsko ime | Hydra |
|---|---|
| Skraćenica | Hya |
| Genitiv | Hydrae |
| Simbolizuje | Lernejska hidra |
| Rektascenzija | 10 |
| Deklinacija | -20 |
| Površina | 1303 sq. deg. (1) |
| Najsjajnija zvezda | Alphard (1.98m) |
| Meteorski rojevi | Hidridi |
| Susedna sazvežđa | |
| Vidljivo u rasponu +54° i −83°. U najboljem položaju za posmatranje u 21:00 čas u aprilu. | |
Hidra (lat. Hydra) je najveće od modernih 88 i jedno od originalnih 48 Ptolemejevih sazvežđa. Njegov južni kraj se graniči sa Vagom i Kentaurom, a severni kraj sa Rakom.[1] Uvršteno je među 48 sazvežđa koje je naveo astronom iz 2. veka Ptolomej. Hidra se obično predstavljena kao vodena zmija, i prostire se na nebeskom ekvatoru.
Istorija i mitologija
[uredi | uredi izvor]Zapadna mitologija
[uredi | uredi izvor]
Grčko sazvežđe Hidre je adaptacija vavilonskog sazvežđa: MUL.APIN uključuje sazvežđe „zmije“ (MUL.DINGIR.MUŠ) koje labavo odgovara Hidri. To je jedno od dva vavilonska sazvežđa „zmije“ (drugo je poreklo grčke Zmije), mitološki hibrid zmije, lava i ptice.[2]
Oblik Hidre podseća na zmiju koja se uvija i kao takva se pojavljuje u nekim grčkim mitovima. Jedan mit je povezuje sa vodenom zmijom koju je vrana poslužila Apolonu u čaši kada je poslata da donese vodu; Apolon je prozreo prevaru, i ljutito bacio vranu, čašu i zmiju u nebo. Takođe se povezuje sa čudovištem Hidrom, sa svojim mnogobrojnim glavama, koje je ubio Herkul, predstavljenim u drugom sazvežđu.[3] Prema legendi, ako bi jedna od Hidrinih glava bila odsečena, na njenom mestu bi izrasle još dve. Međutim, Herkulov nećak, Jolaj, spalio je vratove bakljom kako bi sprečio njihov ponovni rast i tako omogućio Herkulu da savlada Hidru.[4]
Reference
[uredi | uredi izvor]- ^ Ridpath & Tirion 2001, str. 158–160.
- ^ White 2008, str. 89, 180.
- ^ Ridpath & Tirion 2001, str. 158–159.
- ^ P.K. Chen (2007) A Constellation Album: Stars and Mythology of the Night Sky, p. 44 ISBN 978-1931559386.
Literatura
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- Wagner, R. Mark; Thorstensen, John R.; Honeycutt, R. K.; Howell, S. B.; Kaitchuck, R. H.; Kreidl, T. J.; Robertson, J. W.; Sion, E. M.; Starrfield, S. G. (1998). „A Photometric and Spectroscopic Study of the Cataclysmic Variable SX Leonis Minoris in Quiescence and Superoutburst”. The Astronomical Journal. 109 (2): 787—800. Bibcode:1998AJ....115..787W. doi:10.1086/300201 .
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- Beck, Sara J. (16. 7. 2010). „Delta Scuti and the Delta Scuti variables”. Variable Star of the Season. AAVSO (American Association of Variable Star Observers). Pristupljeno 8. 11. 2012.
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- Schneider, Jean. „Planet HD 82886 b”. The Extrasolar Planets Encyclopaedia. Paris Observatory. Pristupljeno 25. 10. 2012.
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- Kaler, Jim. „21 Leonis Minoris”. Stars. University of Illinois. Pristupljeno 15. 10. 2012.
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- „SU Leonis Minoris – Variable Star of RS CVn type”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 20. 10. 2012.
- „SV Leonis Minoris – Variable Star of RS CVn type”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 20. 10. 2012.
- „21 Leonis Minoris – Variable Star of delta Sct type”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 15. 10. 2012.
- „37 Leonis Minoris”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 5. 11. 2012.
- „46 Leonis Minoris – Variable Star”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 2. 11. 2012.
- „GJ 356 B – Star in double system”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 20. 10. 2012.
- „HD 82886”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 19. 10. 2012.
- „LHS 2216 – High Proper Motion Star”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 21. 10. 2012.
- „R Leonis Minoris – Variable Star of Mira Ceti type”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 22. 10. 2012.
- „RY Leonis Minoris – Pulsating White Dwarf”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 22. 10. 2012.
- „S Leonis Minoris – Variable Star of Mira Ceti type”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 22. 10. 2012.
- „U Leonis Minoris – Semi-regular pulsating Star”. SIMBAD Astronomical Database. Centre de Données astronomiques de Strasbourg. Pristupljeno 22. 10. 2012.
- „Interacting Galaxy Pair Arp 107”. Spitzer Space Telescope website. Spitzer Science Center, California Institute of Technology. 9. 6. 2005. Pristupljeno 19. 10. 2012.
Spoljašnje veze
[uredi | uredi izvor]
Vikimedijina Ostava ima datoteke za članak:
- The Deep Photographic Guide to the Constellations: Hydra
- Star Tales – Hydra
- Warburg Institute Iconographic Database (medieval and early modern images of Hydra)
| Državne | |
|---|---|
| Ostale | |
