MCT 0025-3842

All names: MCT0025-3842, MCT 0025-3842, Gaia DR2 4997735790869613056, TIC 115692439, GALEX J002813.4-382532, Gaia EDR3 4997735790869613056, 2MASS J00281356-3825320, Gaia DR3 4997735790869613056

Parameter Unit Gaia EDR3 Geier 2020 Stilism Simbad
Right ascension 00 28 13.56 (0.03) 00 28 13.54 00 28 13.56 (0.03)
Declination -38 25 32.09 (0.03) -38 25 32.13 -38 25 32.09 (0.03)
Spectral type sdB sdBHe1
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.77 (0.04) 0.67 (0.06) 0.77 (0.04)
Distance [pc] 1293.83 (71) 1501.73 (141) 1293.83 (71)
Composition
Proper motion (right ascension) [mas/yr] 4.619 (0.04) 4.69 (0.1) 4.619 (0.04)
Proper motion (declination) [mas/yr] 0.14 (0.04) 0.337 (0.07) 0.14 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude 16.07 (0.1) 16.07 (0.1)
H magnitude 16.19 (0.2) 16.19 (0.2)
K magnitude 16.56
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 15.29 (0.003) 15.30 (0.0006) 15.29 (0.003)
BP magnitude 15.14 (0.003) 15.07 (0.007)
RP magnitude 15.58 (0.005) 15.58 (0.002)
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.006

* 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.