TIC 444981336
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (HD 57536) 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 511.5.
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.
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) | 323 (~1,053 light years) |
| Temperature (Gaia) | 6,457 K |
| Size (Gaia) | 2.98 x the Sun |
| Mass (Gaia) | 1.75 x the Sun |
| Luminosity (Gaia) | 13.90 x the Sun |
| Colour, Gaia BP-RP | 0.65 |
| RUWE (Gaia) | 1.20 - fits a single star |
| Radial velocity (Gaia) | speed changes by 62 km/s - likely an orbiting pair |
| Gaia G mag | 9.43 |
| TESS mag | 9.078 |
Names & neighbours
| TIC ID | 444981336 |
| Gaia DR3 ID | 989458145992915200 |
| SIMBAD name | HD 57536 [SB*] |
| Nearest known variable | Gaia DR3 989457626301472384 (ROT), 159" away |
| RA (deg) | 111.25 |
| Dec (deg) | 57.2359 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 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
- TIC444981336_s0020.fits 76 KB
- TIC444981336_s0020.png 36 KB
- thumb.png 26 KB
- meta.json
