TIC 177981040
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (BD-06 1972) as type **, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 7 (flagged in 1 sector(s)). Detection score 605.9.
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:
2026-10-02 Gaia hints at a hidden companion star (RUWE 4.8)
2026-10-02 Found by the automatic search in TESS sector 7
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 3.25131 |
| Period source | hunt.py on TESS QLP sector 7 |
| Eclipse / dip depth | 4.2% |
| Amplitude | 0.6% |
| Data used | TESS sector 7 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 1,219 (~3,974 light years) |
| Temperature (Gaia) | 7,750 K |
| Size (Gaia) | 3.55 x the Sun |
| Mass (Gaia) | 4.35 x the Sun |
| Luminosity (Gaia) | 483.07 x the Sun |
| Colour, Gaia BP-RP | 0.14 |
| RUWE (Gaia) | 4.78 - hints at a hidden companion star |
| Gaia G mag | 10.26 |
| TESS mag | 10.02 |
Names & neighbours
| TIC ID | 177981040 |
| Gaia DR3 ID | 3052089556807897600 |
| SIMBAD name | BD-06 1972 [**] |
| Nearest known variable | Gaia DR3 3052089354950016896 (DSCT|GDOR|SXPHE), 51" away |
| RA (deg) | 107.786 |
| Dec (deg) | -7.17537 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-02 |
| Last update | 2026-10-02 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC177981040_s0007.fits 70 KB
- TIC177981040_s0007.png 43 KB
- thumb.png 36 KB
- meta.json
