TIC 158589923
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (UCAC4 727-049473) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 23 (flagged in 1 sector(s)). Detection score 71.1.
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 2.4)
2026-10-11 Found by the automatic search in TESS sector 23
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 23 |
| Amplitude | 1.5% |
| Data used | TESS sector 23 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 504 (~1,645 light years) |
| Temperature (Gaia) | 5,511 K |
| Size (Gaia) | 1.36 x the Sun |
| Luminosity (Gaia) | 1.55 x the Sun |
| Colour, Gaia BP-RP | 0.85 |
| RUWE (Gaia) | 2.38 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 48 km/s - likely an orbiting pair |
| Gaia G mag | 12.74 |
| TESS mag | 12.3 |
Names & neighbours
| TIC ID | 158589923 |
| Gaia DR3 ID | 1606585882038692992 |
| SIMBAD name | UCAC4 727-049473 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 223.358 |
| Dec (deg) | 55.3118 |
| 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
- TIC158589923_s0023.fits 79 KB
- TIC158589923_s0023.png 41 KB
- thumb.png 45 KB
- meta.json
