Contenuti
Immagini
Carica la tua immagine
DSS Images Other Images
Articoli relazionati
Hipparcos astrometry for 257 stars using Tycho-2 data
We present improved Hipparcos astrometry for 257 Hipparcos stars,resolved into 342 components. For 64 of the stars no astrometry wasobtained in the Hipparcos Catalogue, while for the remaining starsadditional components have been added by this solution or the positionshave been revised considerably. We have used the published Hipparcostransit data for the new solutions, together with results from thesecond reduction of the Tycho data for defining better initial values.Based on observations made with the ESA Hipparcos astrometry satellite.Table 3 is only available in electronic form at the CDS via anonymousftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/Abstract.html
| Photo-electric colours of B- and A-type stars in a number of Selected Areas
Not Available
|
Sottometti un nuovo articolo
Link relazionati
Sottometti un nuovo link
Membro dei seguenti gruppi:
|
Osservazione e dati astrometrici
| Costellazione: | Acquario |
| Ascensione retta: | 22h05m19.62s |
| Declinazione: | -01°25'27.3" |
| Magnitudine apparente: | 8.296 |
| Distanza: | 116.144 parsec |
| Moto proprio RA: | 9.3 |
| Moto proprio Dec: | -17.5 |
| B-T magnitude: | 8.872 |
| V-T magnitude: | 8.344 |
Cataloghi e designazioni:
|
