TIC 423524230
Eclipsing binaryNew candidate

Notes
Found automatically by hunt.py in TESS sector 9 (flagged in 1 sector(s)). Detection score 398.3.
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.
Updates:
2026-10-03 Gaia hints at a hidden companion star (RUWE 2.6)
2026-10-03 Found by the automatic search in TESS sector 9
The signal
| Type | Eclipsing binary |
| Status | New candidate |
| Period (days) | 2.58333 |
| Period source | hunt.py on TESS QLP sector 9 |
| Eclipse / dip depth | 2.0% |
| Amplitude | 0.3% |
| Data used | TESS sector 9 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 240 (~784 light years) |
| Temperature (Gaia) | 6,015 K |
| Size (Gaia) | 1.61 x the Sun |
| Mass (Gaia) | 1.14 x the Sun |
| Luminosity (Gaia) | 3.04 x the Sun |
| Colour, Gaia BP-RP | 0.72 |
| RUWE (Gaia) | 2.62 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 97 km/s - likely an orbiting pair |
| Gaia G mag | 10.41 |
| TESS mag | 10.02 |
Names & neighbours
| TIC ID | 423524230 |
| Gaia DR3 ID | 3539754407180524672 |
| SIMBAD name | BD-19 3220 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 169.187 |
| Dec (deg) | -19.8965 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-03 |
| Last update | 2026-10-03 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC423524230_s0009.fits 73 KB
- TIC423524230_s0009.png 41 KB
- thumb.png 30 KB
- meta.json