SDSS J124911.03+121344.8

All names: Gaia DR2 3928051955052161152, SDSS J124911.03+121344.8, Gaia DR3 3928051955052763008, Gaia EDR3 3928051955052763008, SDSS J124911.02+121344.8, GALEX J124911.0+121344

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Kleinman et al. 2013 Vincent et al. 2023
Right ascension 12 49 11.03 (0.2) 12 49 11.03 12 49 11.03 (0.3) 12 49 11.03 12 49 11.04 (0.2) 12 49 11.03
Declination 12 13 44.87 (0.1) 12 13 44.84 12 13 44.87 (0.2) 12 13 44.87 12 13 44.88 (0.1) 12 13 44.83
Spectral type DA DA DA DA DA
Effective temperature [K] 13451.0 16318.0 (1038) 13640.0 (395)
log(g) [cgs] 7.95 8.25 (0.09) 8.22 (0.09)
Mass [M] 0.582 0.768 (0.07) 0.735 (0.06)
log(Luminosity) [L]
Cooling age [Gyr] 0.2553
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 3.33 (0.2) 3.09 (0.5) 3.33 3.33 (0.2)
Distance [pc] 300.67 (21) 324.14 (48) 300.67 300.67 (21)
Composition H
Proper motion (right ascension) [mas/yr] -3.834188916 (0.3) -2.967974041 (0.6) -3.834 (0.3)
Proper motion (declination) [mas/yr] -0.415944963 (0.2) -0.201745844 (0.4) -0.416 (0.2)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 19.23 (0.03) 19.23 (0.03) 19.24 (0.03)
g magnitude 18.84 (0.009) 18.84 (0.009) 18.88 (0.02)
r magnitude 19.09 (0.01) 19.09 (0.01) 19.10 (0.02)
i magnitude 19.32 (0.02) 19.32 (0.02) 19.38 (0.02)
z magnitude 19.80 (0.1) 19.80 (0.1) 19.57 (0.06)
G magnitude 19.01 (0.02) 19.03 19.01 19.01 (0.003)
BP magnitude 18.99 (0.02) 19.02
RP magnitude 19.17 (0.04) 19.07
Pan g magnitude 18.90 (0.009)
Pan r magnitude 19.12 (0.01)
Pan i magnitude 19.35 (0.02)
Pan z magnitude 19.58 (0.02)
Pan y magnitude 19.82 (0.03)
E(B-V) 0.023

* 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.