TIC 209406444
Eclipsing binaryNew candidate
Notes
Found automatically by hunt.py in TESS sector 31 (flagged in 2 sector(s)). Detection score 369.9.
Not in VSX, ASAS-SN or ZTF variable catalogues at the time of the search; not in Gaia DR3's variable lists.
Unchecked by hand yet: verify the period, nearby stars and a wider catalogue search.
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 2.10499 |
| Period source | hunt.py on TESS QLP sector 31 |
| Eclipse / dip depth | 1.6% |
| Amplitude | 0.8% |
| Data used | TESS sector 31 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 453 (~1,478 light years) |
| Temperature (Gaia) | 6,340 K |
| Size (Gaia) | 2.41 x the Sun |
| Mass (Gaia) | 1.55 x the Sun |
| Luminosity (Gaia) | 8.48 x the Sun |
| Colour, Gaia BP-RP | 0.64 |
| RUWE (Gaia) | 1.16 - fits a single star |
| Radial velocity (Gaia) | speed changes by 86 km/s - likely an orbiting pair |
| Gaia G mag | 10.66 |
| TESS mag | 10.32 |
Names & neighbours
| TIC ID | 209406444 |
| Gaia DR3 ID | 5053001952569523584 |
| SIMBAD name | CD-30 1131 [*] |
| Nearest known variable | Gaia DR3 5053002120069244928 (ROT), 199" away |
| RA (deg) | 44.6911 |
| Dec (deg) | -30.4695 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC209406444_s0031.fits 200 KB
- TIC209406444_s0031.png 61 KB
- thumb.png 64 KB
- meta.json
