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A photometric study of the two poorly known northern open clusters NGC 133 and NGC 1348
We present CCD UBVI observations obtained in the field of the previouslyunstudied northern open clusters NGC 133 and NGC 1348. We argue that NGC133 is a heavily contaminated cluster, for which we identify 13candidate members down to V=14.50 mag on the basis of the position inthe two-color Diagram. Membership has been checked against propermotions from Tycho 2, whenever available. The cluster turns out to havea reddening E(B-V)=0.60+/-0.10 mag, to be 630+/-150 pc distant from theSun, and to have an age less than 10 Myrs. NGC 1348 is a more reddenedclusters (E(B-V)=0.85+/-0.15 mag) for which we isolate 20 members. Thecluster lies at a distance of 1.9+/-0.5 kpc away from the Sun, and hasan age greater than 50 Myrs. Based on observations carried out at MtEkar, Asiago, Italy. Photometry is only available in electronic form atthe CDS via anonymous ftp to cdsarc.u-strasbg.fr (130.79.128.5) or viahttp://cdsweb.u-strasbg.fr/cgi-bin/qcat?J/A+A/387/479
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Наблюдательные данные и астрометрия
| Созвездие: | Кассиопея |
| Прямое восхождение: | 00h31m14.92s |
| Склонение: | +63°21'16.0" |
| Видимая звёздная величина: | 9.545 |
| Собственное движение RA: | 0 |
| Собственное движение Dec: | -0.9 |
| B-T magnitude: | 9.931 |
| V-T magnitude: | 9.577 |
Каталоги и обозначения:
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