Gaia DR2 3961289396992499456

All names: LSPM J1240+2559A, Gaia EDR3 3961289396992499456, WDS J12405+2600A, ULAS J124029.39+255947.5, UGCS J124029.39+255947.6, Gaia DR3 3961289396992499456, UGCS J124029.40+255947.7, ** SKF 2033A, Gaia DR2 3961289396992499456, WDJ124029.56+255947.81

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Vincent et al. 2024 Simbad
Right ascension 12 40 29.29 (0.4) 12 40 29.29 12 40 29.29 12 40 29.56 (0.4)
Declination 25 59 47.31 (0.2) 25 59 47.32 25 59 47.31 25 59 47.83 (0.2)
Spectral type DA DA
Effective temperature [K] 5592.0 (180)
log(g) [cgs] 8.35 (0.08)
Mass [M☉] 0.812 (0.07)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 10.21 (0.4) 9.68 (0.5) 10.21 10.21 (0.4)
Distance [pc] 97.93 (4) 103.34 (5) 97.93 97.93 (4)
Composition
Proper motion (right ascension) [mas/yr] -233.9546238 (0.5) -234.7935695 (0.9) -233.955 (0.5)
Proper motion (declination) [mas/yr] -32.54997752 (0.3) -31.57191598 (0.5) -32.55 (0.3)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 18.67 (0.07)
H magnitude 18.35 (0.09)
K magnitude 18.33 (0.2)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 19.82 (0.06) 19.85 19.82 19.82 (0.005)
BP magnitude 20.25 (0.06) 20.31
RP magnitude 19.31 (0.04) 19.28
Pan g magnitude 20.33 (0.004)
Pan r magnitude 19.82 (0.01)
Pan i magnitude 19.54 (0.008)
Pan z magnitude 19.47 (0.4)
Pan y magnitude 18.94 (0.1)
E(B-V) 0.004

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.