TIC 220601503
Single dip / odd eventProbably known
Notes
NOTE: SIMBAD already lists this star (HD 274609) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 32 (flagged in 1 sector(s)). Detection score 186.4.
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 32 |
| Amplitude | 0.5% |
| Data used | TESS sector 32 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 427 (~1,391 light years) |
| Temperature (Gaia) | 5,654 K |
| Size (Gaia) | 1.57 x the Sun |
| Mass (Gaia) | 1.02 x the Sun |
| Luminosity (Gaia) | 2.28 x the Sun |
| Colour, Gaia BP-RP | 0.83 |
| RUWE (Gaia) | 0.91 - fits a single star |
| Radial velocity (Gaia) | speed changes by 130 km/s - likely an orbiting pair |
| Gaia G mag | 11.94 |
| TESS mag | 11.51 |
Names & neighbours
| TIC ID | 220601503 |
| Gaia DR3 ID | 4799370969661588608 |
| SIMBAD name | HD 274609 [SB*] |
| Nearest known variable | none within 5' |
| RA (deg) | 83.17 |
| Dec (deg) | -45.0057 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-12 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC220601503_s0032.fits 205 KB
- TIC220601503_s0032.png 48 KB
- thumb.png 43 KB
- meta.json
