All names: SDSS J114827.96+153356.9, SDSS J114827.96+153357.0, Gaia DR3 3924461392455122560, WIRED J114827.96+153356.9, Gaia EDR3 3924461392455122560, Gaia DR2 3924461392455122560
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Hardy et al. 2023a | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 48 27.97 (0.6) | 11 48 27.96 | 11 48 27.97 (0.9) | 11 48 27.96 (0.6) | 11 48 27.96 | ||||||
Declination | 15 33 56.58 (0.5) | 15 33 56.99 | 15 33 56.59 (0.7) | 15 33 57.12 (0.5) | 15 33 56.97 | ||||||
Spectral type | DA | DAH | DAH | DAH | DA | ||||||
Effective temperature | [K] | 11818.9 (391) | 11311.0 | 11515.0 (418) | |||||||
log(g) | [cgs] | 8.73 (0.2) | 8.71 | 9.07 (0.2) | |||||||
Mass | [M☉] | 1.0621924837698016 (0.3) | 1.048 | ||||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 1.5540 | |||||||||
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] | 4.31 (0.7) | 3.68 (1) | 4.31 (0.7) | |||||||
Distance | [pc] | 231.82 (37) | 271.47 (86) | 231.82 (37) | |||||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | 9.377629258 (0.7) | 13.02850297 (2) | 9.378 (0.7) | |||||||
Proper motion (declination) | [mas/yr] | -34.25943567 (0.5) | -33.99108162 (1) | -34.259 (0.5) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 20.46 (0.04) | 20.47 (0.04) | 20.47 (0.04) | ||||||||
g magnitude | 20.14 (0.02) | 20.14 (0.02) | 20.17 (0.02) | ||||||||
r magnitude | 20.31 (0.02) | 20.31 (0.02) | 20.32 (0.03) | ||||||||
i magnitude | 20.40 (0.03) | 20.40 (0.03) | 20.42 (0.04) | ||||||||
z magnitude | 20.53 (0.1) | 20.52 (0.1) | 20.52 (0.1) | ||||||||
G magnitude | 20.19 (0.1) | 20.28 | 20.19 (0.008) | ||||||||
BP magnitude | 20.27 (0.1) | 20.49 | |||||||||
RP magnitude | 20.16 (0.1) | 20.34 | |||||||||
Pan g magnitude | 20.11 (0.02) | ||||||||||
Pan r magnitude | 20.27 (0.02) | ||||||||||
Pan i magnitude | 20.44 (0.02) | ||||||||||
Pan z magnitude | 20.56 (0.07) | ||||||||||
Pan y magnitude | 19.93 | ||||||||||
E(B-V) | 0.018 |
* Constant surface field
Spectra without link are available upon request
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.