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TIC 289129868

Single dip / odd eventProbably known

TIC289129868_s0015.png

Notes

NOTE: SIMBAD already lists this star (HD 347768B) as type SB*, so it may be known after all - check the SIMBAD references. Found automatically by hunt.py in TESS sector 15 (flagged in 1 sector(s)). Detection score 308.0. 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: 2026-10-10 Gaia hints at a hidden companion star (RUWE 2.0) 2026-10-10 Found by the automatic search in TESS sector 15
The signal
TypeSingle dip / odd event
StatusProbably known
Period sourcehunt.py on TESS QLP sector 15
Amplitude0.5%
Data usedTESS sector 15 (QLP)
The star (Gaia & TESS)
Distance (pc)261 (~851 light years)
Temperature (Gaia)5,418 K
Size (Gaia)1.17 x the Sun
Mass (Gaia)0.91 x the Sun
Luminosity (Gaia)1.06 x the Sun
Colour, Gaia BP-RP0.94
RUWE (Gaia)2.02 - hints at a hidden companion star
Radial velocity (Gaia)speed changes by 46 km/s - likely an orbiting pair
Gaia G mag11.86
TESS mag11.37
Names & neighbours
TIC ID289129868
Gaia DR3 ID1839259035151792768
SIMBAD nameHD 347768B [SB*]
Nearest known variableASASSN-V J205800.02+224643.0 (SRS, P = 22.96 d), 167" away
RA (deg)314.538
Dec (deg)22.8093
Look it up SIMBAD · VSX · ESASky · ExoFOP
Record
Found byhunt.py (automatic)
Date2026-10-10
Last update2026-10-10

Where it sits among the stars

ESA Gaia colour and true brightness. Grey: every Star Log candidate. Orange: this star.

0123051015giantsmain sequencewhite dwarfscolour BP-RP (bluer ← → redder)brightness M_G (brighter ↑)

How to read this diagram →