TIC 441794509
Eclipsing binaryKnown to NASA (TOI)
Notes
Already known to NASA: CTOI 441794509.01 (PC).
Already on NASA's TESS list as CTOI 441794509.01 (PC).
Found automatically by hunt.py in TESS sector 22 (flagged in 11 sector(s)). Detection score 154.6.
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 Found on NASA's list of TESS planet candidates: CTOI 441794509.01 (PC)
2026-10-11 Planet check: Already known to NASA: CTOI 441794509.01 (PC)
2026-10-11 Found by the automatic search in TESS sector 22
The signal
| Type | Eclipsing binary |
| Status | Known to NASA (TOI) |
| Period (days) | 4.66556 |
| Period source | hunt.py on TESS QLP sector 22 |
| Eclipse / dip depth | 2.8% |
| Amplitude | 0.6% |
| Data used | TESS sector 22 (QLP) |
Planet check
| Verdict | Already known to NASA: CTOI 441794509.01 (PC) |
The star (Gaia & TESS)
| Distance (pc) | 893 (~2,912 light years) |
| Temperature (Gaia) | 6,054 K |
| Size (Gaia) | 2.23 x the Sun |
| Mass (Gaia) | 1.39 x the Sun |
| Luminosity (Gaia) | 5.89 x the Sun |
| Colour, Gaia BP-RP | 0.72 |
| RUWE (Gaia) | 1.14 - fits a single star |
| Radial velocity (Gaia) | speed changes by 62 km/s - likely an orbiting pair |
| Gaia G mag | 12.55 |
| TESS mag | 12.18 |
Names & neighbours
| TIC ID | 441794509 |
| Gaia DR3 ID | 1655666294396195200 |
| SIMBAD name | UCAC4 823-020475 [*] |
| Nearest known variable | none within 5' |
| RA (deg) | 263.599 |
| Dec (deg) | 74.4723 |
| 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
- TIC441794509_s0022.fits 79 KB
- TIC441794509_s0022.png 41 KB
- thumb.png 52 KB
- meta.json
