Contenuti
Immagini
Carica la tua immagine
DSS Images Other Images
Articoli relazionati
Inaccuracies in the spectral classification of stars from the Tycho-2 Spectral Type Catalogue
We compare the spectroscopic and trigonometric parallaxes of commonstars from the Tycho-2 Spectral Type and Hipparcos Catalogues. Thiscomparison has revealed that the distance estimations for theoverwhelming majority of stars by both methods yield very similarresults. However, there is a small fraction of stars for which thedistance estimates differ significantly. It is these stars that are thesubject of our study. We have been able to find the causes of thesedifferences.
|
Sottometti un nuovo articolo
Link relazionati
Sottometti un nuovo link
Membro dei seguenti gruppi:
|
Osservazione e dati astrometrici
| Costellazione: | Sagittario |
| Ascensione retta: | 18h01m20.13s |
| Declinazione: | -24°37'55.9" |
| Magnitudine apparente: | 8.471 |
| Distanza: | 358.423 parsec |
| Moto proprio RA: | 1 |
| Moto proprio Dec: | -3.1 |
| B-T magnitude: | 10.777 |
| V-T magnitude: | 8.662 |
Cataloghi e designazioni:
|
