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Yellow giants in young clusters. I - Photometric observations
To enable a study of the properties of luminous yellow stars, a list hasbeen compiled of 84 stars which appear to be in the appropriate regionin the color-magnitude diagrams of 41 young clusters. Proper motions,radial velocities, UBV photometry, and spectral types from theliterature have been used in those cases where such data are availableto assign membership probabilities. DDO and uvby photometry have alsobeen obtained of most of the stars in the list, and these data areanalyzed to remove stars from the sample which have the wrong luminosityor the wrong color excess for cluster membership. In addition, VRIphotometry is given for many of the stars in the list. Based on thesedata, 22 of the stars (26 percent) from the original sample are likelycluster members, while 48 (57 percent) are not likely to be members. Theremainder must be studied further to determine their status, but it isprobable that some of them are also in clusters.
| Southern open star clusters. IV. UBV Hbet photometry of 26 clusters from MON to Vel.
Abstract image available at:http://adsabs.harvard.edu/cgi-bin/nph-bib_query?1975A&AS...20...85M&db_key=AST
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Membre dels grups següents:
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Dades d'Observació i Astrometria
| Constel·lació: | Orion |
| Ascensió Recta: | 06h12m16.58s |
| Declinació: | +05°25'47.7" |
| Magnitud Aparent: | 9.653 |
| Moviment propi RA: | -0.9 |
| Moviment propi Dec: | 1.3 |
| B-T magnitude: | 9.862 |
| V-T magnitude: | 9.671 |
Catàlegs i designacions:
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