TIC 371708761
Single dip / odd eventProbably known

Notes
NOTE: SIMBAD already lists this star (BD+81 156) 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 2 sector(s)). Detection score 762.8.
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 1.4)
2026-10-11 Found by the automatic search in TESS sector 20
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) | 481 (~1,567 light years) |
| Temperature (Gaia) | 6,427 K |
| Size (Gaia) | 3.11 x the Sun |
| Mass (Gaia) | 1.77 x the Sun |
| Luminosity (Gaia) | 14.84 x the Sun |
| Colour, Gaia BP-RP | 0.65 |
| RUWE (Gaia) | 1.45 - hints at a hidden companion star |
| Radial velocity (Gaia) | speed changes by 48 km/s - likely an orbiting pair |
| Gaia G mag | 10.21 |
| TESS mag | 9.862 |
Names & neighbours
| TIC ID | 371708761 |
| Gaia DR3 ID | 557776480631526400 |
| SIMBAD name | BD+81 156 [SB*] |
| Nearest known variable | Gaia DR3 557796851660430080 (S), 296" away |
| RA (deg) | 69.3722 |
| Dec (deg) | 81.8499 |
| 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
- TIC371708761_s0020.fits 76 KB
- TIC371708761_s0020.png 37 KB
- thumb.png 20 KB
- meta.json