All names: SDSS J145957.42-021454.2, WD 1457-020, GALEX J145957.4-021454, Gaia DR3 6340507459984050688, Gaia EDR3 6340507459984050688, Gaia DR2 6340507455688231296, SDSS J145957.43-021454.3, SDSS J145957.43-021454.2
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 59 57.42 (0.4) | 14 59 57.43 | 14 59 57.42 (0.5) | 14 59 57.43 (0.4) | 14 59 57.43 | 14 59 57.53 | 14 59 57.43 | |||||
Declination | -02 14 54.40 (0.3) | -02 14 54.29 | -02 14 54.39 (0.4) | -02 14 54.25 (0.3) | -02 14 54.27 | -02 14 52.80 | -02 14 54.28 | |||||
Spectral type | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 10280.0 | 12275.0 (583) | 12326.0 (576) | ||||||||
log(g) | [cgs] | 7.38 | 7.30 (0.2) | 7.37 (0.2) | ||||||||
Mass | [M☉] | 0.314 | 0.368 (0.05) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.3013 | ||||||||||
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] | 2.30 (0.4) | 2.19 (0.5) | 2.30 (0.4) | ||||||||
Distance | [pc] | 435.61 (69) | 456.08 (99) | 435.62 (69) | ||||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -4.766675027 (0.6) | -4.703303648 (1) | -4.767 (0.6) | -3.3 | |||||||
Proper motion (declination) | [mas/yr] | -9.146795797 (0.5) | -10.27738235 (0.8) | -9.147 (0.5) | -13.8 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 20.01 (0.04) | 20.01 (0.04) | 19.98 (0.04) | 19.97 | 20.00 (0.04) | |||||||
g magnitude | 19.42 (0.01) | 19.42 (0.01) | 19.43 (0.02) | 19.43 | 19.43 (0.02) | |||||||
r magnitude | 19.58 (0.02) | 19.58 (0.02) | 19.58 (0.02) | 19.58 | 19.58 (0.02) | |||||||
i magnitude | 19.75 (0.02) | 19.75 (0.02) | 19.76 (0.03) | 19.76 | 19.75 (0.02) | |||||||
z magnitude | 20.16 (0.1) | 20.16 (0.1) | 20.16 (0.1) | 20.15 | 20.17 (0.1) | |||||||
G magnitude | 19.51 (0.07) | 19.53 | 19.51 (0.005) | |||||||||
BP magnitude | 19.56 (0.07) | 19.48 | ||||||||||
RP magnitude | 19.47 (0.06) | 19.30 | ||||||||||
Pan g magnitude | 19.45 (0.009) | |||||||||||
Pan r magnitude | 19.62 (0.009) | |||||||||||
Pan i magnitude | 19.79 (0.02) | |||||||||||
Pan z magnitude | 19.91 (0.03) | |||||||||||
Pan y magnitude | 19.91 (0.3) | |||||||||||
E(B-V) | 0.067 |
* 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.