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Twenty-eight angular diameters for late-type stars by the lunar occultation technique
New angular diameter measurements obtained with an infrared photometerare reported. The stars observed include three Mira variables and ninecool IRC objects. Repeat measurements are reported for five stars. Theobservations include numerous daytime and reappearance events. Severalresults obtained with the 4-m telescope verify the value of a largeaperture for the measurement of angular diameters as small as 1.5-2.5milliarcsec.
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Osservazione e dati astrometrici
| Costellazione: | Balena |
| Ascensione retta: | 02h15m36.70s |
| Declinazione: | -19°59'53.2" |
| Magnitudine apparente: | 9.918 |
| Moto proprio RA: | 8.7 |
| Moto proprio Dec: | -19.9 |
| B-T magnitude: | 10.725 |
| V-T magnitude: | 9.985 |
Cataloghi e designazioni:
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