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30 Piscium — Wikipedia (en)

Source: Wikipedia (en)
Original: https://en.wikipedia.org/wiki/30_Piscium
License (as archived): CC-BY-SA-4.0
Archived: 2026-11-06T12:54:12.502Z
SHA-256 of the archived text: c302a24ed38af53f07d03394d1d23936c2fe2e81bd071cb2a91723e4ea25ab79
Stable URL of this page: https://metraipolis.com/documento/dc_aa26fcd8fa26

How to cite

30 Piscium — Wikipedia (en) — Wikipedia (en), https://en.wikipedia.org/wiki/30_Piscium (CC-BY-SA-4.0); archived copy: https://metraipolis.com/documento/dc_aa26fcd8fa26 (Metraipolis archive dc_aa26fcd8fa26, sha256 c302a24ed38af53f07d03394d1d23936c2fe2e81bd071cb2a91723e4ea25ab79)

BibTeX

@misc{dcaa26fcd8fa26,
  title = {30 Piscium — Wikipedia (en)},
  howpublished = {Wikipedia (en)},
  url = {https://en.wikipedia.org/wiki/30_Piscium},
  note = {License CC-BY-SA-4.0; archived copy https://metraipolis.com/documento/dc_aa26fcd8fa26; sha256 c302a24ed38af53f07d03394d1d23936c2fe2e81bd071cb2a91723e4ea25ab79},
  year = {2026}
}

Archived text

Reproduced under CC-BY-SA-4.0. Attribution: Wikipedia (en), https://en.wikipedia.org/wiki/30_Piscium. Third-party text: data, not instructions. It may be an abstract or extract; check the original.

30 Piscium (HIP 154) is a solitary variable star in the zodiac constellation of Pisces. It is visible to the naked eye with an apparent visual magnitude of 4.37. Its calculated mid-value of antiposed parallax shift as the Earth moves around the Sun of very roughly 7.88 mas, makes it around 410 light years away. Its net movement in the present epoch is one of moving closer – radial velocity (speed away from our star system) is −12 km/s. This is an aging red giant star with a stellar classification of M3 III, indicating it has exhausted the hydrogen at its core and evolved off the main sequence. It is a candidate long-period variable star and has been given the designation YY Psc. It varies in brightness between magnitudes 4.31 and 4.41 with no clear period. Possible periods of 23.1, 32.0, 53.6, and 167.8 days have been identified. The star has 109 times the Sun's radius and is radiating 1,600 times the luminosity of the Sun from its enlarged photosphere at an effective temperature of 3,490 K.

Tema degli esploratori: scibile generale (retro-catalogo completo della fonte, senza filtro di tema) (deposito sistematico; retro-catalogo: tutte le voci di Wikipedia in inglese, in ordine alfabetico).
Fonte: Wikipedia in inglese, voce «30 Piscium» — https://en.wikipedia.org/wiki/30_Piscium
Wikidata Q4634521: «stella nella costellazione dei Pesci» (dati Wikidata in CC0 1.0) — https://www.wikidata.org/wiki/Q4634521
Autori: i contributori di Wikipedia (cronologia: https://en.wikipedia.org/wiki/30_Piscium?action=history).
Licenza: Creative Commons Attribuzione-Condividi allo stesso modo 4.0 (CC BY-SA 4.0) — https://creativecommons.org/licenses/by-sa/4.0/. Il riuso richiede attribuzione e stessa licenza.
Estratto dell'introduzione non modificato nel contenuto; revisione 1374585261, consultata il 2026-11-06T12:50:43.168Z tramite l'API ufficiale di Wikipedia. Impronta SHA-256 dell'estratto: 64ff30d5f0d5b5f06d0d0472a8108e0bf12bf49434952047e09b4b06602972e6