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On the near infrared variability of chemically peculiar stars
Some CP stars have recently been discovered by Catalano et al. to bevariable also in the near infrared, although with smaller amplitudesthan in the visible. Hence an observational campaign was started inwhich the infrared light variability of a number of CP2 and CP4 starshas been investigated at the ESO-La Silla Observatory in the bands J, H,and K. As a general result, infrared variations show the same behaviorin all three filters but amplitudes are smaller than in the visible.
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Gözlemler ve gökölçümü verileri
| Takýmyýldýz: | Pupa |
| Sað Açýklýk: | 07h26m55.79s |
| Yükselim: | -45°42'49.6" |
| Görünürdeki Parlaklýk: | 8.419 |
| Uzaklýk: | 111.982 parsek |
| özdevim Sað Açýklýk: | -17.2 |
| özdevim Yükselim: | 29.3 |
| B-T magnitude: | 8.788 |
| V-T magnitude: | 8.45 |
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