HD 37124
| Stern HD 37124 | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| AladinLite | |||||||||
| Beobachtungsdaten Äquinoktium: J2000.0, Epoche: J2000.0 | |||||||||
| Sternbild | Stier | ||||||||
| Rektaszension | 05h 37m 02,486s [1] | ||||||||
| Deklination | +20° 43′ 50,84″ [1] | ||||||||
| Bekannte Exoplaneten | 3 | ||||||||
| Helligkeiten | |||||||||
| Scheinbare Helligkeit | 7,68 mag[1] | ||||||||
| Spektrum und Indices | |||||||||
| B−V-Farbindex | +0,66 | ||||||||
| Spektralklasse | G4 IV-V[1] | ||||||||
| Astrometrie | |||||||||
| Radialgeschwindigkeit | (−23,2 ± 0,2) km/s[2] | ||||||||
| Parallaxe | (29,70 ± 0,70) mas[3] | ||||||||
| Entfernung | (110 ± 3) Lj (33,7 ± 0,8) pc [3] | ||||||||
| Visuelle Absolute Helligkeit Mvis | +5,0 mag[Anm 1] | ||||||||
| Eigenbewegung[3] | |||||||||
| Rek.-Anteil: | (−80,14 ± 1,05) mas/a | ||||||||
| Dekl.-Anteil: | (−419,77 ± 0,65) mas/a | ||||||||
| Physikalische Eigenschaften | |||||||||
| Masse | 0,91 M☉ | ||||||||
| Radius | 0,82 R☉ | ||||||||
| Effektive Temperatur | 5610 K | ||||||||
| Metallizität [Fe/H] | −0,32 | ||||||||
| Alter | ca. 3 Mrd. a | ||||||||
| Andere Bezeichnungen und Katalogeinträge | |||||||||
| |||||||||
| Anmerkung | |||||||||
| |||||||||
HD 37124 ist ein Stern der Spektralklasse G4, der von mindestens drei Planeten, HD 37124 b, HD 37124 c und HD 37124 d, umkreist wird. Seine Masse liegt bei etwa 0,9 Sonnenmassen. Seine Begleiter wurden in den Jahren 1999, 2002 und 2005 durch Messungen seiner Radialgeschwindigkeit entdeckt.
Siehe auch
Weblinks
Einzelnachweise
- ↑ a b c Hipparcos-Katalog (ESA 1997)
- ↑ Pulkovo radial velocities for 35493 HIP stars
- ↑ a b c Hipparcos, the New Reduction (van Leeuwen, 2007)
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.