Free Access
Table 4
Results of O−C diagram analysis.
| Parameter | AD And | AL Cam | V338 Her | ||
|
|
|||||
| Eclipsing Binary | |||||
|
|
|||||
| JD0 (HJD-2 400 000) | 39 002.458 (6) | 45 252.593 (1) | 33 771.369 (9) | ||
| P (d) | 0.9861924 (4) | 1.3283300 (2) | 1.305742 (1) | ||
| M1a + M2a (M⊙) | 2.76 + 2.70 | 1.70 + 0.36 | 1.50 + 0.41 | ||
| C2 (× 10-10 d/cycle) | – | – | 3.404 (1) | ||
| Ṗ (× 10-7 d/yr) | – | – | 1.904 (1) | ||
|
|
|||||
| Mass transfer | |||||
|
|
|||||
| Ṁ (× 10-8 M⊙/yr) | – | – | 2.743 (1) | ||
|
|
|||||
| LITEs and additional bodies | |||||
|
|
|||||
| Third body | Third bodyb | Fourth bodyc | Third bodyb | Fourth bodyc | |
|
|
|||||
| T0 (HJD-2 400 000) | 47012 (175) | 53677 (7000) | 51386 (2000) | 33963 (1040) | 49111 (658) |
| ω (°) | 25 (11) | 192 (82) | 357 (67) | 49 (94) | 293 (23) |
| A (d) | 0.019 (1) | 0.002 (1) | 0.005 (1) | 0.004 (1) | 0.014 (1) |
| P (yr) | 14.3 (1) | 8.0 (2) | 28 (2) | 11.7 (3) | 29.6 (7) |
| e | 0.17 (5) | 0.04 (1) | 0.20 (3) | 0.28 (20) | 0.38 (13) |
| f(M) (M⊙) | 0.183 (1) | 0.0010 (1) | 0.0010 (3) | 0.0021 (1) | 0.0155 (2) |
| Mmin (M⊙) | 2.21 (1) | 0.18 (1) | 0.15 (1) | 0.24 (1) | 0.44 (1) |
| a (AU) | 8.3 (1) | 4.8 (2) | 11.1 (1) | 5.9 (1) | 11.0 (2) |
|
|
|||||
| Quadrupole moment variation in the secondary component | |||||
|
|
|||||
| ΔQ (× 1050 g cm2) | – | 0.68 | 0.48 | 0.93 | 1.40 |
|
|
|||||
| ∑ res2 | 0.0026 | 0.0029 | 0.0065 | ||
Notes.
(a)
The values of M1 and M2 were taken from Table 3, based on the
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.