Markab
| Stern α Pegasi | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AladinLite | |||||||||||||||||||||
| Beobachtungsdaten Äquinoktium: J2000.0, Epoche: J2000.0 | |||||||||||||||||||||
| Sternbild | Pegasus | ||||||||||||||||||||
| Rektaszension | 23h 04m 45,7s [1] | ||||||||||||||||||||
| Deklination | +15° 12′ 19″ [1] | ||||||||||||||||||||
| Helligkeiten | |||||||||||||||||||||
| Scheinbare Helligkeit | 2,49 mag[1] | ||||||||||||||||||||
| Spektrum und Indices | |||||||||||||||||||||
| B−V-Farbindex | −0,04[2] | ||||||||||||||||||||
| U−B-Farbindex | −0,05[2] | ||||||||||||||||||||
| R−I-Index | −0,03[2] | ||||||||||||||||||||
| Spektralklasse | B9.5 III[1] | ||||||||||||||||||||
| Astrometrie | |||||||||||||||||||||
| Radialgeschwindigkeit | (−2,7 ± 0,8) km/s[3] | ||||||||||||||||||||
| Parallaxe | (24,46 ± 0,19) mas[4] | ||||||||||||||||||||
| Entfernung | (133,3 ± 1,0) Lj (40,88 ± 0,32) pc [4] | ||||||||||||||||||||
| Visuelle Absolute Helligkeit Mvis | ca. −0,6 mag[Anm 1] | ||||||||||||||||||||
| Eigenbewegung[4] | |||||||||||||||||||||
| Rek.-Anteil: | (+60,40 ± 0,17) mas/a | ||||||||||||||||||||
| Dekl.-Anteil: | (−41,30 ± 0,16) mas/a | ||||||||||||||||||||
| Physikalische Eigenschaften | |||||||||||||||||||||
| Andere Bezeichnungen und Katalogeinträge | |||||||||||||||||||||
| |||||||||||||||||||||
| Anmerkung | |||||||||||||||||||||
| |||||||||||||||||||||
Alpha Pegasi ist ein Stern im Sternbild Pegasus. Er ist etwa 133 Lichtjahre entfernt und hat eine scheinbare visuelle Helligkeit von 2,5 mag.
Der Stern trägt den Eigennamen Markab (oder "Mirfak", arab. "Schulter"). Der Name Markab stammt ursprünglich aus arabisch مركب, DMG Markab ‚Pferdesattel‘, durch falsche Transkription wurde daraus Mankib, welches sich aus arabisch منكب الفرس, DMG Mankib al-Faras ‚Schulter (des Pegasus)‘ herleitet.
Siehe auch
Weblinks
Einzelnachweise
Content Disclaimer
Informasi ini disarikan dari Wikipedia dan disajikan kembali untuk tujuan edukasi. Konten tersedia di bawah lisensi CC BY-SA 3.0. Kami tidak bertanggung jawab atas ketidakakuratan data yang bersumber dari kontribusi publik tersebut.
- The information displayed on this website is sourced in part or in whole from Wikipedia and has been adapted for the purpose of restating it. We strive to provide accurate and relevant information, however:
- There is no guarantee of absolute accuracy. Wikipedia is an open, collaborative project that can be edited by anyone, so information is subject to change.
- It is not intended to constitute professional advice. The content displayed is for informational and educational purposes only. For important decisions (e.g., medical, legal, or financial), please consult a professional.
- Content copyright. Wikipedia is licensed under the Creative Commons Attribution-ShareAlike License (CC BY-SA). This means that content may be reused with appropriate attribution and shared under a similar license.
- Responsible use. Any risk arising from the use of information from this website is entirely the responsibility of the user.