TIC 458387660
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 3410-578-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 20 (flagged in 1 sector(s)). Detection score 262.1.
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:
2026-10-11 Gaia hints at a hidden companion star (RUWE 1.5)
2026-10-11 Found by the automatic search in TESS sector 20
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 20 |
| Amplitude | 0.1% |
| Data used | TESS sector 20 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 135 (~440 light years) |
| Temperature (Gaia) | 5,568 K |
| Size (Gaia) | 1.16 x the Sun |
| Mass (Gaia) | 0.91 x the Sun |
| Luminosity (Gaia) | 1.17 x the Sun |
| Colour, Gaia BP-RP | 0.84 |
| RUWE (Gaia) | 1.46 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 97 km/s - likely an orbiting pair |
| Gaia G mag | 10.18 |
| TESS mag | 9.744 |
Names & neighbours
| TIC ID | 458387660 |
| Gaia DR3 ID | 933810105869363840 |
| SIMBAD name | TYC 3410-578-1 [SB*] |
| Nearest known variable | Gaia DR3 933809796631720192 (DSCT|GDOR|SXPHE), 160" away |
| RA (deg) | 117.236 |
| Dec (deg) | 48.6452 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-11 |
| Last update | 2026-10-11 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC458387660_s0020.fits 76 KB
- TIC458387660_s0020.png 37 KB
- thumb.png 27 KB
- meta.json
