TIC 176255149
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (ATO J000.4771-08.2771) as type V*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 29 (flagged in 1 sector(s)). Detection score 88.9.
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.
Updates:
2026-10-12 Gaia hints at a hidden companion star (RUWE 1.4)
2026-10-12 Found by the automatic search in TESS sector 29
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 0.735509 |
| Period source | hunt.py on TESS QLP sector 29 |
| Eclipse / dip depth | 2.0% |
| Amplitude | 5.4% |
| Data used | TESS sector 29 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 438 (~1,428 light years) |
| Temperature (Gaia) | 4,514 K |
| Size (Gaia) | 1.30 x the Sun |
| Luminosity (Gaia) | 0.62 x the Sun |
| Colour, Gaia BP-RP | 1.39 |
| RUWE (Gaia) | 1.41 - hints at a hidden companion star |
| Gaia G mag | 13.85 |
| TESS mag | 13.16 |
Names & neighbours
| TIC ID | 176255149 |
| Gaia DR3 ID | 2441190867664297600 |
| SIMBAD name | ATO J000.4771-08.2771 [V*] |
| Nearest known variable | none within 5' |
| RA (deg) | 0.477208 |
| Dec (deg) | -8.27718 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
| Last update | 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
- TIC176255149_s0029.fits 208 KB
- TIC176255149_s0029.png 61 KB
- thumb.png 103 KB
- meta.json
