TIC 308953689
Eclipsing binaryProbably known
Notes
WARNING: same period as the known variable NSV 15349 33" away; the signal is probably its light leaking in.
Found automatically by hunt.py in TESS sector 18 (flagged in 1 sector(s)). Detection score 308.9.
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 | Eclipsing binary |
| Status | Probably known |
| Period (days) | 2.37257 |
| Period source | hunt.py on TESS QLP sector 18 |
| Eclipse / dip depth | 79.4% |
| Amplitude | 8.8% |
| Data used | TESS sector 18 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 699 (~2,281 light years) |
| Temperature (Gaia) | 6,488 K |
| Size (Gaia) | 1.35 x the Sun |
| Mass (Gaia) | 1.18 x the Sun |
| Luminosity (Gaia) | 2.41 x the Sun |
| Colour, Gaia BP-RP | 0.88 |
| RUWE (Gaia) | 1.39 - fits a single star |
| Gaia G mag | 13.33 |
| TESS mag | 12.88 |
Names & neighbours
| TIC ID | 308953689 |
| Gaia DR3 ID | 407170600540589952 |
| SIMBAD name | not in SIMBAD |
| Nearest known variable | NSV 15349 (EA/DM+DSCT, P = 2.3723 d), 33" away (same period!) |
| RA (deg) | 24.6657 |
| Dec (deg) | 52.5265 |
| 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
- TIC308953689_s0018.fits 70 KB
- TIC308953689_s0018.png 39 KB
- thumb.png 42 KB
- meta.json
