XY Boo
| Simbad link | XY Boo | 
|---|---|
| Source publication | Yang, Y. -G. (2005) - Deep, Low Mass Ratio Overcontact Binary Systems. IV. V410 Aurigae and XY Bootis | 
| ADS link | 2005AJ....130.2252Y | 
| Name in Source publication | XY Boo | 
| Orbital period in days (P [d]) | 0.370552 | 
| Mass ratio (q) | 0.19 | 
| Mass ratio determination | Photometric | 
| Type | A | 
| Has total eclipse? | |
| Has spots? | |
| Has third light? | |
| Has period variation? | 
| Solver | WD | 
|---|---|
| Orbital period in days (P [d]) | 0.370552 | 
| Mass ratio (q) | 0.19 | 
| Orbital inclination in degrees (i [o]) | 69 | 
| Fillout (f) | 0.56 | 
| Primary temperature in Kelvins (T1 [K]) | 6324 | 
| Secondary temperature in Kelvins (T2 [K]) | 6307 | 
| Primary polar radius in units of orbital separation (r1p) | 0.509 | 
| Secondary polar radius in units of orbital separation (r2p) | 0.2468 | 
| Surface potential (Ω) | 2.1299 | 
| Orbital separation in solar radii (a [R]) | 2.23 | 
|---|---|
| Primary radius in solar units (R1 [R]) | 1.23 | 
| Secondary radius in solar units (R2 [R]) | 0.61 | 
| Primary mass in solar units (M1 [M]) | 0.91 | 
| Secondary mass in solar units (M2 [M]) | 0.17 | 
| Primary temperature in kelvins (T1 [K]) | 6324 | 
| Secondary temperature in Kelvins (T2 [K]) | 6307 | 
| Primary luminosity in solar units (L1 [L]) | 2.14 | 
| Secondary luminosity in solar units (L2 [L]) | 0.51 | 
| Distance in parsecs (d [pc]) | |
| Age in gigayears (τ [gyr]) | 5.02 | 
| Orbital period in days (P [d]) | 0.370552 | 
|---|---|
| Monotonic period variation in seconds per year (dPdt [s/y]) | 0.054 | 
| Cyclic period variation in years (Pc [y]) | 
| Designation | Gaia DR2 1248533596945029504 | 
|---|---|
| RA | 207:17:53.13408 | 
| DEC | 20:11:25.010952 | 
| l | 8.304707683 | 
| b | 75.0819121 | 
| G magnitude | 10.374722 | 
| G_bp magnitude | 10.655514 | 
| G_rp magnitude | 9.972812 | 
| Radial velocity [km/s] | |
| Parallax | 4.153819989 | 
| Distance [pc] | 240.742257 | 
| Temperature [K] | 6067.033 | 
| Radius [R] | 1.5716501 | 
| Luminosity [L] | 3.0151708 | 
| Simbad link | XY Boo | 
|---|---|
| J magnitude | 9.488 | 
| H magnitude | 9.264 | 
| K magnitude | 9.199 | 
| Johnson_U magnitude | |
| Johnson_B magnitude | 10.71 | 
| Johnson_V magnitude | 10.54 | 
| Johnson_R magnitude | |
| Johnson_I magnitude | |
| Sloan_u magnitude | |
| Sloan_g magnitude | 10.3747 | 
| Sloan_r magnitude | |
| Sloan_i magnitude | |
| Sloan_z magnitude |