TIC 100249241
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (TYC 2691-1040-1) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 15 (flagged in 1 sector(s)). Detection score 300.2.
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 6.2)
2026-10-10 Found by the automatic search in TESS sector 15
The signal
| Type | Single dip / odd event |
| Status | Probably known |
| Period source | hunt.py on TESS QLP sector 15 |
| Amplitude | 0.3% |
| Data used | TESS sector 15 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 311 (~1,014 light years) |
| Temperature (Gaia) | 5,717 K |
| Size (Gaia) | 1.57 x the Sun |
| Mass (Gaia) | 1.04 x the Sun |
| Luminosity (Gaia) | 2.38 x the Sun |
| Colour, Gaia BP-RP | 0.90 |
| RUWE (Gaia) | 6.17 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 78 km/s - likely an orbiting pair |
| Gaia G mag | 11.34 |
| TESS mag | 10.81 |
Names & neighbours
| TIC ID | 100249241 |
| Gaia DR3 ID | 1862883451228511744 |
| SIMBAD name | TYC 2691-1040-1 [SB*] |
| Nearest known variable | Gaia DR3 1862883519955056384 (E, P = 1.2956 d), 45" away |
| RA (deg) | 310.761 |
| Dec (deg) | 32.0862 |
| 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
- TIC100249241_s0015.fits 76 KB
- TIC100249241_s0015.png 38 KB
- thumb.png 28 KB
- meta.json
