J/A+A/276/345 Photometry of variable LQ Hya (Jestu 1993)
A decade of photometry of LQ Hydrae
Jestu L.
<Astron. Astrophys. 276, 345 (1993)>
=1993A&A...276..345J 1993A&A...276..345J
ADC_Keywords: Photometry, UBV ;
Keywords: stars: individual: LQ Hya - stars: activity- stars: variables
stars: rotation
Objects:
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RA (2000) DE Name
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09 32 26.3 -11 11 06 LQ Hya
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file
table1 31 155 LQ Hya Johnson BV photometry (APT),
Boyd et al., 1990
table3 73 285 LQ Hya new APT photometry
table4 109 19 Results
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Byte-by-byte Description of file: table1 table3
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Bytes Format Units Label Explanations
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1- 9 F9.4 d HJD-2440000 Observing time: HJD-2440000
13- 17 F5.3 mag Bmag ? B magnitude
22- 26 F5.3 mag Vmag ? V magnitude
30- 31 I2 --- SET Division into subsets of the observing time
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Table 2: UBV(RI)_C photometry by Cutispoto (1991)
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HJD U B V R_C I_C SET
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7133.8411 9.369 8.779 7.862 7.318 6.823 11
7134.8276 9.414 8.816 7.894 7.342 6.835 11
7135.8259 9.400 8.810 7.892 7.342 6.839 11
7136.8260 9.380 8.779 7.850 7.312 6.817 11
7137.8208 9.418 8.817 7.895 7.346 6.841 11
7138.7834 9.387 8.793 7.877 7.327 6.833 11
7139.8213 9.374 8.785 7.863 7.321 6.822 11
7140.8228 9.394 8.805 7.896 7.348 6.845 11
7141.8160 9.374 8.774 7.859 7.312 6.824 11
7142.8261 9.427 8.823 7.900 7.349 6.844 11
7143.8267 9.397 8.804 7.891 7.338 6.840 11
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Byte-by-byte Description of file: table4
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Bytes Format Units Label Explanations
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1- 7 F7.2 --- Year Year of observation
9- 15 F7.5 d P(phot) ? Photometric rotation period (1)
17- 23 F7.5 d e_P(phot) ? rms uncertainty on P(phot)
25- 29 F5.3 --- Phi(m,1) Phase of primary minimum (2)
31- 35 F5.3 --- e_Phi(m,1) rms uncertainty on Phi(m,1)
39- 43 F5.3 --- Phi(m,2) ? Phase of secondary minimum (2)
45- 49 F5.3 --- e_Phi(m,2) ? rms uncertainty on Phi(m,2)
53- 57 F5.3 mag M(V) Mean magnitude in V (3)
59- 63 F5.3 mag e_M(V) rms uncertainty on M(V)
65- 69 F5.3 mag M(B) ? Mean magnitude in B (3)
71- 75 F5.3 mag e_M(B) ? rms uncertainty on M(V)
77- 81 F5.3 mag A(V) Amplitude of rotational modulation in V (3)
83- 87 F5.3 mag e_A(V) rms uncertainty on A(V)
89- 93 F5.3 mag A(B) ?Amplitude of rotational modulation in B (3)
95- 99 F5.3 mag e_A(B) ? rms uncertainty on A(B)
101-102 I2 --- SET Division into subsets of the observing time
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Notes (1): The results were derived from the normalized magnitudes,
assuming variable P(phot)
Note (2): The results were derived from the normalized magnitudes,
assuming constant P(phot)
Note (3): The results were derived from the original BV magnitudes,
assuming constant P(phot)
(End) Patricia Bauer [CDS] 5-Oct-1993