Table 1.
Eclipsing binaries in the MASCARA sample that exhibit the O’Connell effect.
| ASCC | Identifier | V | RA (J2000) | Dec (J2000) | Period (days) | Amplitude (mag) | Δm (mmag) | Previous detection |
|---|---|---|---|---|---|---|---|---|
| 307947 | V376 And | 7.77 | 02h35′11.6″ | +49°51′37″ | 0.79867(6) | 0.29 | 44 | (1) |
| 449928 | HD 219561a | 8.40 | 23h16′21.2″ | +41°33′43″ | 0.56660(5) | 0.28 | 21 | – |
| 513514 | V556 Lyr | 8.14 | 19h25′08.3″ | +35°59′58″ | 1.4901(3) | 0.13 | 13 | (2) |
| 521078 | V448 Cyg | 8.14 | 20h06′09.9″ | +35°23′10″ | 6.519(2) | 0.37 | 18 | (3) |
| 558695 | V600 Per | 7.86 | 03h19′01.4″ | +32°41′16″ | 1.4697(1) | 0.39 | 26 | (4) |
| 725559 | ER Vul | 7.35 | 21h02′25.9″ | +27°48′26″ | 0.69810(5) | 0.13 | 13 | (5) |
| 1017908 | V1392 Ori | 7.76 | 06h16′17.9″ | +09°01′40″ | 1.3881(1) | 0.20 | 24 | – |
Notes. Periods include a 3σ confidence interval. The amplitude is that of the full oscillation in the MASCARA band. Δm is the difference in magnitude between the primary (after primary minimum) and secondary (before primary minimum) maxima in the binned light curve. No previous detections of the O’Connell effect in HD 219561 and V1392 Ori were found.
Identified as NSVS 6156390 in the ASCC-VSX cross-match; identified as TYC 3225-1270-1 in the ASCC catalogue.
References. (1) Djurašević et al. (2008); (2) Hartman et al. (2004); (3) Djurašević et al. (2009); (4) Campos-Cucarella et al. (1997); (5) Olah et al. (1994).
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