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Details for Revision 1
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Name
  Gaia DR3 2294170838587572736  
AAVSO UID
--  
Constellation
Draco Sequence
J2000.0
18 48 24.07 +79 15 21.8  (282.10029 +79.25604) Search nearby
B1950.0 18 51 33.17 +79 11 44.9
Galactic coord. 110.883 +26.756
Other names

(Internal only)
2MASS J18482406+7915217 GALEX J184824.1+791522 GSC 04591-00930
TIC 288735205 TOI-1259 UCAC4 847-013988
USNO-B1.0 1692-0064819 WISE J184824.04+791522.7  
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Variability type
ROT
Spectral type K
Mag. range
11.79 - 11.82 G
Discoverer Gaia collaboration
Epoch
--
Outburst --
Period --
Rise/eclipse dur. --
Remarks
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1 Otero, Sebastian Alberto Transit amplitude 0.028 mag. Saturn-mass planet orbiting a K dwarf (TOI-1259 A) with a white dwarf companion (TOI-1259 B). (2025AJ....169..104S). The WD has spectral type DA (2023MNRAS.518..636F), V= 19.3 and is 14" to the NNE. BY period 28 d with amplitude 0.01 TESS.
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References
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1 Saidel, M.; Vissapragada, S.; Spake, J.; et al., 2025, Atmospheric Mass
Loss from TOI-1259 A b, a Gas Giant Planet with a White Dwarf Companion
2025AJ....169..104S
2 Fitzmaurice, E.; Martin, D. V.; Rodríguez Martínez, R.; et al., 2023,
Spectroscopy of TOI-1259B - an unpolluted white dwarf companion to an
inflated warm Saturn
2023MNRAS.518..636F
3 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 4
Variability
2022yCat.1358....0G
4 Gaia collaboration; et al., 2022, Gaia Data Release 3 (Gaia DR3) Part 1
Main source
2022yCat.1355....0G
5 Martin, D. V.; El-Badry, K.; Hodžić, V. K.; et al., 2021, TOI-1259Ab -
a gas giant planet with 2.7 per cent deep transits and a bound white dwarf
companion
2021MNRAS.507.4132M
6 Canto Martins, B. L.; Gomes, R. L.; Messias, Y. S.; et al., 2020, A Search
for Rotation Periods in 1000 TESS Objects of Interest
2020ApJS..250...20C
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Supporting Documents
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Revision History
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2 Otero, Sebastian Alberto 2025-08-21 16:37 UTC Type, transit duration and epoch from 2021MNRAS.507.4132M. Discoverer and primary name from 2020ApJS..250...20C. Period from 2025AJ....169..104S. Range derived from Gaia DR3 data.
1 Admin, VSX 2025-01-26 16:51 UTC Preserved original object data.