Table 1
Counts and frequencies of sources for each variability morphologic class.
| Frequencya | Spectral typeb | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Class | Count | Thick disc | general disc | CTTS | ts-ratio | ptp | M | K | G | AB-F | |
| Full sample | |||||||||||
| P | 286 | 14.3 (2.1) | 50.0 (3.0) | 13.7 (2.8) | 13.4 | 0.19 | 77.3 (2.5) | 12.9 (2.0) | 1.7 (0.8) | 8.0 (1.6) | |
| QPS | 9514 | 20.0 (0.4) | 57.6 (0.5) | 14.8 (0.6) | 2.6 | 0.15 | 71.2 (0.5) | 15.3 (0.4) | 4.0 (0.2) | 9.5 (0.4) | |
| QPD | 5439 | 39.1 (0.7) | 67.3 (0.6) | 24.7 (1.1) | 1.8 | 0.35 | 65.4 (0.6) | 18.6 (0.5) | 5.4 (0.3) | 10.6 (0.4) | |
| APD | 1103 | 56.6(1.5) | 79.9 (1.2) | 39.7 (3.7) | 0.4 | 0.53 | 66.2 (1.4) | 19.7 (1.2) | 5.7 (0.7) | 8.4 (0.8) | |
| B | 5252 | 21.0 (0.6) | 56.7 (0.7) | 22.0 (1.1) | 2.0 | 0.16 | 59.8 (0.7) | 24.3 (0.6) | 3.2 (0.2) | 12.7 (0.5) | |
| S | 1490 | 27.9 (1.2) | 65.9 (1.2) | 23.6 (2.6) | 0.8 | 0.19 | 71.4(1.2) | 17.8 (1.0) | 3.2 (0.5) | 7.6 (0.7) | |
| EB | 129 | 15.5 (3.2) | 56.6 (4.4) | 11.4 (3.6) | 23.6 | 0.20 | 85.3 (3.1) | 9.3 (2.6) | 0.8 (0.8) | 4.6 (1.9) | |
| L | 4966 | 21.1 (0.6) | 48.5 (0.7) | 11.0(1.1) | − | 0.16 | 44.3 (0.7) | 22.9 (0.6) | 7.7 (0.4) | 25.1 (0.6) | |
| Primary sample | |||||||||||
| P | 199 | 17.1 (2.7) | 46.2 (3.5) | 14.6 (3.1) | 26.6 | 0.22 | 81.4 (2.8) | 8.6 (2.0) | 2.0 (1.0) | 8.0 (1.9) | |
| QPS | 2362 | 41.9 (1.0) | 65.5 (1.0) | 36.6 (1.6) | 1.4 | 0.31 | 60.5 (1.0) | 22.2 (0.9) | 7.1 (0.5) | 10.2 (0.6) | |
| QPD | 2886 | 61.7 (0.9) | 81.4 (0.7) | 40.6 (1.6) | 1.3 | 0.57 | 65.5 (0.9) | 20.5 (0.8) | 6.1 (0.4) | 7.9 (0.5) | |
| APD | 822 | 68.0(1.6) | 85.2(1.2) | 48.2 (4.2) | 0.4 | 0.67 | 63.4(1.7) | 21.9(1.5) | 7.0 (0.9) | 7.7 (0.9) | |
| B | 1505 | 44.8(1.3) | 69.4 (1.2) | 45.6 (2.2) | 1.3 | 0.31 | 68.4(1.2) | 18.2(1.0) | 4.3 (0.5) | 9.1 (0.7) | |
| S | 601 | 42.8 (2.0) | 70.9 (1.9) | 49.0 (4.9) | 0.4 | 0.30 | 62.1 (2.0) | 23.3 (1.7) | 4.8 (0.9) | 9.8 (1.2) | |
| EB | 95 | 15.8 (3.7) | 51.6 (5.1) | 14.1 (4.3) | 91.0 | 0.24 | 84.2 (3.7) | 8.4 (2.8) | 1.1 (1.1) | 6.3 (2.5) | |
| L | 1354 | 40.0(1.3) | 63.1 (1.3) | 33.6 (3.2) | 0.37 | 48.6 (1.4) | 26.3 (1.2) | 8.2 (0.7) | 16.9 (1.0) | ||
| Secondary sample | |||||||||||
| P | 87 | 8.0 (2.9) | 58.6 (5.3) | 8.7 (5.9) | 5.8 | 0.10 | 67.8 (5.0) | 23.0 (4.5) | 1.1 (1.1) | 8.0 (2.9) | |
| QPS | 7152 | 12.8 (0.4) | 55.0 (0.6) | 6.1 (0.5) | 3.3 | 0.09 | 74.7 (0.5) | 13.1 (0.4) | 3.0 (0.2) | 9.2 (0.3) | |
| QPD | 2553 | 13.4 (0.7) | 51.5 (1.0) | 4.5 (0.8) | 2.5 | 0.09 | 65.2 (0.9) | 16.5 (0.7) | 4.6 (0.4) | 13.7 (0.7) | |
| APD | 281 | 23.1 (2.5) | 64.4 (2.9) | 3.0 (3.0) | 0.7 | 0.13 | 74.4 (2.6) | 13.5 (2.0) | 1.8 (0.8) | 10.3 (1.8) | |
| B | 3747 | 11.4 (0.5) | 51.6 (0.8) | 7.0 (0.9) | 2.4 | 0.10 | 56.4 (0.8) | 26.8 (0.7) | 2.6 (0.3) | 14.2 (0.6) | |
| S | 889 | 17.8 (1.3) | 62.5 (1.6) | 7.4 (2.0) | 1.1 | 0.12 | 77.8 (1.4) | 14.0 (1.2) | 2.1 (0.5) | 6.1 (0.8) | |
| EB | 34 | 14.7 (6.1) | 70.6 (7.8) | — | 6.8 | 0.10 | 88.2(5.5) | 11.8 (5.5) | — | — | |
| L | 3612 | 14.0 (0.6) | 43.0 (0.8) | 2.5 (0.7) | − | 0.09 | 42.6 (0.8) | 21.6 (0.7) | 7.6 (0.4) | 28.2 (0.7) | |
Notes. Morphologic classes defined as in Sect. 4.4. The primary and secondary samples are detailed in Sect. 3.5. Thick-disc frequency indicates the frequency of stars with an envelope or a thick disc, as indicated by the αIR ≥ -1.6. General disc frequency refers to the frequency of sources with αIR ≥ -2.5 or with EW(Hα) indicative of ongoing accretion. CTTS frequency indicates the frequency of sources identified as CTTS in Sect. 5.3.1 in comparison with the total number of sources with Hα information. ts-ratio indicates the ratio of sources with rotation against intermediate timescales. ptp indicates the average peak-to-peak amplitude per class. The primary and secondary sample are detailed in Sect. 3.5. (a)Values in parentheses are standard error estimates for the disc frequencies. (b)Frequency of spectral types as a function of variability class.
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