SDSS J004917.78+004708.9

All names: Gaia DR2 2537178297193269248, SDSS J004917.78+004708.9, SDSS J004917.78+004708.92, Gaia EDR3 2537178297193269248, Gaia DR3 2537178297193269248

Parameter Unit Gaia EDR3 SDSS DR10 Gaia DR2 Stilism Kepler et al. 2015 Simbad
Right ascension 00 49 17.79 (0.7) 00 49 17.79 00 49 17.79 (1) 00 49 17.79 (0.7)
Declination 00 47 08.88 (0.5) 00 47 08.89 00 47 08.88 (0.7) 00 47 08.90 (0.5)
Spectral type ELM-DA DA
Effective temperature [K] 8253.0 (149)
log(g) [cgs] 5.79 (0.6)
Mass [M☉] 0.108 (0.06)
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] -1.04 (0.9) 0.38 (1) 0.38 (1)
Distance [pc] 2628.15 (7860) 2628.12 (7859)
Composition
Proper motion (right ascension) [mas/yr] 0.474243836 (1) 2.825127396 (3) 0.474 (1)
Proper motion (declination) [mas/yr] -0.839532408 (1) 0.324289738 (1) -0.84 (1)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 21.59 (0.1) 21.60 (0.1) 21.60 (0.1)
g magnitude 20.73 (0.03) 20.75 (0.03) 20.75 (0.03)
r magnitude 20.60 (0.04) 20.64 (0.04) 20.64 (0.04)
i magnitude 20.71 (0.06) 20.73 (0.06) 20.73 (0.06)
z magnitude 21.19 (0.3) 21.28 (0.3) 21.28 (0.3)
G magnitude 20.53 (0.08) 20.61 20.53 (0.01)
BP magnitude 20.65 (0.08) 20.56
RP magnitude 20.16 (0.06) 20.02
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.025

* 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.