MM Com
| Simbad link | MM Com |
|---|---|
| Source publication | Xia, Qiqi (2025) - Minute-cadence Observations of the LAMOST Fields with the TMTS. VI. Physical Parameters of Contact Binaries |
| ADS link | 2025AJ....169..139X |
| Name in Source publication | J1300 |
| Orbital period in days (P [d]) | 0.301987 |
| Mass ratio (q) | 4.51 |
| Mass ratio determination | Spectroscopic |
| Temperature determination | Unknown |
| Type | Unspecified |
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | |
| Search TESS catalog of Eclipsing Binaries | TIC 165945126 |
| Solver | WD |
|---|---|
| Orbital period in days (P [d]) | 0.301987 |
| Mass ratio (q) | 4.51 |
| Orbital inclination in degrees (i [o]) | 78.7 |
| Fillout (f) | 0.06 |
| Primary temperature in Kelvins (T1 [K]) | 5502 |
| Secondary temperature in Kelvins (T2 [K]) | 4970 |
| Primary polar radius in units of orbital separation (r1p) | |
| Secondary polar radius in units of orbital separation (r2p) | |
| Surface potential (Ω) | 8.52 |
| Orbital separation in solar radii (a [R]) | 1.79 |
|---|---|
| Primary radius in solar units (R1 [R]) | 0.47 |
| Secondary radius in solar units (R2 [R]) | 0.93 |
| Primary mass in solar units (M1 [M]) | 0.15 |
| Secondary mass in solar units (M2 [M]) | 0.69 |
| Primary temperature in kelvins (T1 [K]) | 5502 |
| Secondary temperature in Kelvins (T2 [K]) | 4970 |
| Primary luminosity in solar units (L1 [L]) | 0.18 |
| Secondary luminosity in solar units (L2 [L]) | 0.47 |
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) |
| Orbital period in days (P [d]) | 0.301987 |
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.021367 |
| Cyclic period variation in years (Pc [y]) | 99.4 |
| Host | Longitude λ [o] | Latitude β [o] | Angular radius σ [o] | Temperature contrast Tspot/Tstar |
|---|---|---|---|---|
| Primary | 309.9 | 24.2 | 0.7 |
| Designation | Gaia DR3 1464632707484751616 |
|---|---|
| RA | 195:02:54.110451 |
| DEC | 30:23:10.244213 |
| l | 92.95420286499035 |
| b | 86.21921109300938 |
| G [mag] | 12.227021 |
| G_bp [mag] | 12.5921955 |
| G_rp [mag] | 11.654809 |
| Parallax | 3.1759147738398523 |
| Distance [pc] | 305.3405 |
| Temperature [K] | 5789.4316 |
| Surface gravity log(g) [cm/s2] | 4.3932 |
| Metallicity [Fe/H] | 0.0076 |
| Monochromatic extinction A0 [mag] | 0.2529 |
| Radius [R] | |
| Luminosity [L] |
| Temperature [K] | 5455.04 |
|---|---|
| Surface gravity log(g) [cm/s2] | 4.134 |
| Metallicity [Fe/H] | -0.237 |
| Simbad link | MM Com |
|---|---|
| J magnitude | 10.882 |
| H magnitude | 10.523 |
| K magnitude | 10.421 |
| Johnson_U magnitude | |
| Johnson_B magnitude | |
| Johnson_V magnitude | 12.52 |
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 12.701 |
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |