TIC 441133712
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (BD-15 476) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 31 (flagged in 1 sector(s)). Detection score 653.0.
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 2.0)
2026-10-12 Found by the automatic search in TESS sector 31
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 1.8016 |
| Period source | hunt.py on TESS QLP sector 31 |
| Eclipse / dip depth | 1.7% |
| Amplitude | 1.9% |
| Data used | TESS sector 31 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 970 (~3,164 light years) |
| Colour, Gaia BP-RP | 1.19 |
| RUWE (Gaia) | 1.96 - hints at a hidden companion star |
| Gaia G mag | 10.44 |
| TESS mag | 9.83 |
Names & neighbours
| TIC ID | 441133712 |
| Gaia DR3 ID | 5157849010568767360 |
| SIMBAD name | BD-15 476 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 40.3216 |
| Dec (deg) | -14.9627 |
| 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
- TIC441133712_s0031.fits 200 KB
- TIC441133712_s0031.png 64 KB
- thumb.png 64 KB
- meta.json
