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Figure 1: Phased OGLE I-band light curves of two of the P2C. The periods of the two stars are 0.76522 (bul_sc24_1609) and 9.94431 (bul_sc39_5385) days. |
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Figure 2: The difference between SOFI instrumental magnitude and 2MASS magnitude versus instrumental magnitude for a single epoch for two different objects. The symbols indicate different 1 mag bins in 2MASS magnitude. |
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Figure 3: The K-band light curves of two P2C. The top panel shows the magnitude versus time, the bottom panel the phased light curve. |
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Figure 4: The K-band light curves of two RR Lyrae. The top panel shows the magnitude versus time, the bottom panel the phased light curve. |
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Figure 5: The K-band PL-relation for P2C in the GB. The line is a best fit excluding the cross. |
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Figure 6: The K-band PL-relation for the RR Lyrae stars in the GB. The line is a best fit excluding the outliers labelled in Table 2 which fall outside the plot. The dotted line is the fit for a fixed slope of -2.38. |
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