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Near-infrared photometry of stars
Results are presented of infrared photometric observations performed oncomparison stars during a monitoring of long-period variables. Theseobservations, spread over a lapse of about 5 years, are used to derivethe J, H, and K magnitudes of 54 stars in the photometric systemdescribed by Koornneef (1983). The 1950.0 coordinates, spectral types,visual magnitudes, average magnitudes, and the number of observationsare given for each object.
| Long-term photometry of variables at ESO. I - The first data catalogue (1982-1986)
This paper presents the catalog of photometric data in the Stromgrensystem obtained during the first four years (October 1982 - September1986) of the Long-Term Photometry of Variables (LTPV) program at ESO.The data are available in computer-readable form.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Ocak |
| Sað Açýklýk: | 02h39m53.70s |
| Yükselim: | -26°19'14.9" |
| Görünürdeki Parlaklýk: | 9.485 |
| özdevim Sað Açýklýk: | 7.1 |
| özdevim Yükselim: | -9.2 |
| B-T magnitude: | 11.361 |
| V-T magnitude: | 9.64 |
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