Tartalom
Képek
Kép feltöltése
DSS Images Other Images
Kapcsolódó cikkek
Radial velocities. Measurements of 2800 B2-F5 stars for HIPPARCOS
Radial velocities have been determined for a sample of 2930 B2-F5 stars,95% observed by the Hipparcos satellite in the north hemisphere and 80%without reliable radial velocity up to now. Observations were obtainedat the Observatoire de Haute Provence with a dispersion of 80Ä,mm(-1) with the aim of studying stellar and galactic dynamics.Radial velocities have been measured by correlation with templates ofthe same spectral class. The mean obtained precision is 3.0 km s(-1)with three observations. A new MK spectral classification is estimatedfor all stars. Based on observations made at the Haute ProvenceObservatory, France and on data from The Hipparcos Catalogue, ESA.Tables 4, 5 and 6 are only available in electronic form at the CDS viaanonymous ftp to cdsarc.u-strasbg.fr or viahttp://cdsweb.u-strasbg.fr/Abstract.htm
| Archenhold occultation summary. I - First results
First results of lunar occultation observation and reduction at theArchenhold observatory are presented. Using the 50 cm-Cassegraintelescope under urban observing conditions acceptable results for 16events have been obtained including one suspected occultation binary.
|
Új cikk hozzáadása
Kapcsolódó hivatkozások
- - (nincs kapcsolódó hivatkozás) -
Új link hozzáadása
Besorolás csoportokba:
|
Pozíciós és asztrometriai adatok
| Csillagkép: | Ikrek |
| Rektaszcenzió: | 06h38m35.52s |
| Deklináció: | +26°54'19.6" |
| Vizuális fényesség: | 8.356 |
| Távolság: | 694.444 parszek |
| RA sajátmozgás: | -2.9 |
| Dec sajátmozgás: | -11.1 |
| B-T magnitude: | 8.413 |
| V-T magnitude: | 8.361 |
Katalógusok és elnevezések:
|
