TIC 421900559
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (BD-14 1559) as type SB*, so it may be known after all - check the SIMBAD references.
Found automatically by hunt.py in TESS sector 6 (flagged in 1 sector(s)). Detection score 675.1.
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 6 |
| Amplitude | 0.1% |
| Data used | TESS sector 6 (QLP) |
The star (Gaia & TESS)
| Distance (pc) | 233 (~760 light years) |
| Temperature (Gaia) | 5,827 K |
| Size (Gaia) | 2.13 x the Sun |
| Mass (Gaia) | 1.25 x the Sun |
| Luminosity (Gaia) | 4.73 x the Sun |
| Colour, Gaia BP-RP | 0.89 |
| RUWE (Gaia) | 1.21 - fits a single star |
| Radial velocity (Gaia) | speed changes by 52 km/s - likely an orbiting pair |
| Gaia G mag | 10.03 |
| TESS mag | 9.563 |
Names & neighbours
| TIC ID | 421900559 |
| Gaia DR3 ID | 2947549198126297984 |
| SIMBAD name | BD-14 1559 [SB*] |
| Nearest known variable | Gaia DR3 2947548957608114432 (DSCT|GDOR|SXPHE), 162" away |
| RA (deg) | 100.98 |
| Dec (deg) | -15.1268 |
| Look it up | SIMBAD · VSX · ESASky · ExoFOP |
Record
| Found by | hunt.py (automatic) |
| Date | 2026-10-02 |
Where it sits among the stars
ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.
Data files
- TIC421900559_s0006.fits 65 KB
- TIC421900559_s0006.png 33 KB
- thumb.png 21 KB
- meta.json