TIC 458479571
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 4187-412-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 21 (flagged in 8 sector(s)). Detection score 1315.9.
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:
2026-10-10 Gaia hints at a hidden companion star (RUWE 1.7)
2026-10-10 Found by the automatic search in TESS sector 16
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 21 |
| Amplitude | 0.1% |
| Data used | TESS sector 21 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 222 (~724 light years) |
| Temperature (Gaia) | 5,994 K |
| Size (Gaia) | 1.40 x the Sun |
| Mass (Gaia) | 1.14 x the Sun |
| Luminosity (Gaia) | 2.27 x the Sun |
| Colour, Gaia BP-RP | 0.85 |
| RUWE (Gaia) | 1.71 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 62 km/s - likely an orbiting pair |
| Gaia G mag | 10.71 |
| TESS mag | 10.25 |
Names & neighbours
| TIC ID | 458479571 |
| Gaia DR3 ID | 1644403962432742528 |
| SIMBAD name | TYC 4187-412-1 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 233.197 |
| Dec (deg) | 65.4074 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-10 |
| Last update | 2026-10-10 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC458479571_s0016.fits 70 KB
- TIC458479571_s0016.png 34 KB
- TIC458479571_s0021.fits 79 KB
- TIC458479571_s0021.png 34 KB
- thumb.png 20 KB
- meta.json
