TIC 18564016
Eclipsing binaryProbably known
Notes
NOTE: SIMBAD already lists this star (BD+33 2954) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 25 (flagged in 1 sector(s)). Detection score 581.5.
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.
Updates:
2026-10-11 Gaia hints at a hidden companion star (RUWE 2.5)
2026-10-11 Found by the automatic search in TESS sector 25
The signal
| Type | Eclipsing binary |
| Status | Probably known |
| Period (days) | 1.5717 |
| Period source | hunt.py on TESS QLP sector 25 |
| Eclipse / dip depth | 2.9% |
| Amplitude | 2.2% |
| Data used | TESS sector 25 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 447 (~1,459 light years) |
| Temperature (Gaia) | 6,082 K |
| Size (Gaia) | 2.50 x the Sun |
| Mass (Gaia) | 1.49 x the Sun |
| Luminosity (Gaia) | 7.73 x the Sun |
| Colour, Gaia BP-RP | 0.69 |
| RUWE (Gaia) | 2.49 - hints at a hidden companion star |
| Gaia G mag | 10.67 |
| TESS mag | 10.3 |
Names & neighbours
| TIC ID | 18564016 |
| Gaia DR3 ID | 4607277599573358080 |
| SIMBAD name | BD+33 2954 [SB*] |
| Nearest known variable | Gaia DR3 4607274129239770880 (ROT), 153" away |
| RA (deg) | 266.691 |
| Dec (deg) | 33.57 |
| 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
- TIC18564016_s0025.fits 73 KB
- TIC18564016_s0025.png 37 KB
- thumb.png 32 KB
- meta.json
