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Table 4.
Observed mid-eclipse times of HY Eri.
| Cycle | BJD(TDB) | n | Error | O − C | State | Expos | Band | Instr. |
|---|---|---|---|---|---|---|---|---|
| 2400000+ | (s) | (s) | (s) | |||||
| −54428 | 49390.622004 | 1 | 20.0 | 7.6 | High | 20 | V | (1) |
| −48518 | 50093.728987 | 1 | 15.0 | −14.8 | High | 60 | V | (1) |
| −48511 | 50094.561847 | 1 | 15.0 | −8.2 | High | 30 | V | (1) |
| −48510 | 50094.680642 | 1 | 15.0 | −23.2 | High | 30 | V | (1) |
| −33598 | 51868.747892 | 1 | 21.5 | 9.8 | High | 60 | Spec | (2) |
| −33229 | 51912.647277 | 1 | 15.0 | −7.9 | High | 60 | R | (3) |
| −33213 | 51914.550874 | 1 | 10.0 | 0.1 | High | 60 | R | (3) |
| −33212 | 51914.669824 | 1 | 10.0 | −1.5 | High | 60 | Gunn i | (3) |
| −5483 | 55213.563377 | 1 | 2.1 | 1.3 | High | 10 | WL | (4) |
| −5474 | 55214.634061 | 1 | 3.2 | −2.0 | High | 10 | WL | (4) |
| −5465 | 55215.704814 | 1 | 1.2 | 0.8 | High | 10 | WL | (4) |
| −5449 | 55217.608337 | 1 | 1.2 | 2.3 | High | 10 | WL | (4) |
| −5439 | 55218.797986 | 1 | 2.6 | −1.4 | High | 10 | WL | (4) |
| −3000 | 55508.963566 | 1 | 2.2 | −1.1 | Interm. | 10 | WL | (4) |
| −2959 | 55513.841263 | 1 | 1.8 | −4.1 | Interm. | 10 | WL | (4) |
| −2958 | 55513.960283 | 1 | 1.2 | 0.3 | Interm. | 10 | WL | (4) |
| −2916 | 55518.957004 | 1 | 1.5 | 2.0 | Interm. | 10 | WL | (4) |
| −2129 | 55612.585630 | 1 | 2.8 | −1.3 | Interm. | 10 | WL | (4) |
| −17 | 55863.848336 | 1 | 2.1 | 0.2 | Interm. | 10 | WL | (4) |
| 0 | 55865.870789 | 1 | 1.1 | −1.7 | Interm. | 10 | WL | (4) |
| 8675 | 56897.927726 | 3 | 5.0 | 15.6 | Low | 20 | WL | (4) |
| 9892 | 57042.713137 | 1 | 4.2 | 19.5 | Low | 15 | WL | (4) |
| 15315 | 57687.882864 | 1 | 10.0 | 56.2 | Interm. | 33 | iz | (5) |
| 18137 | 58023.613860 | 1 | 1.7 | 78.9 | Low | 15 | WL | (6) |
| 18279 | 58040.507455 | 1 | 2.8 | 77.7 | Low | 15 | WL | (6) |
| 18635 | 58082.860538 | 1 | 10.0 | 85.6 | Low | 33 | iz | (5) |
| 18800 | 58102.490416 | 1 | 4.6 | 84.0 | Low | 15 | WL | (6) |
| 19496 | 58185.292928 | 2 | 3.8 | 86.9 | Low | 15 | WL | (6) |
| 21070 | 58372.550511 | 4 | 3.0 | 109.1 | Low | 15 | WL | (6) |
| 21322 | 58402.530740 | 3 | 4.2 | 111.0 | Low | 15 | WL | (6) |
| 21835 | 58463.561939 | 2 | 2.9 | 116.4 | Low | 15 | WL | (6) |
| 22237 | 58511.387633 | 1 | 6.9 | 127.2 | Low | 15 | WL | (6) |
Notes. (1) ESO/Dutch 0.9 m, (2) ESO VLT UT1, EFOSC 1, (3) ESO 3.6 m, EFOSC 2, (4) McD MONET/N 1.2 m, (5) MPG/ESO 2.2 m with GROND, (6) SAAO MONET/S 1.2 m.
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