All names: SDSS J144859.19-023230.1, Gaia DR3 6338811188419479040, TIC 189765762, WIRED J144859.18-023230.1, WD 1446-023, WDJ144859.20-023229.93, J1448-0232, Gaia EDR3 6338811188419479040, GALEX J144859.1-023230, 2MASS J14485925-0232293, SDSS J144859.18-023230.1, Gaia DR2 6338811188419479040
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 14 48 59.00 (0.07) | 14 48 59.19 | 14 48 59.01 (0.1) | 14 48 59.00 | 14 48 59.20 (0.07) | 14 48 59.01 | 14 48 59.19 | 14 48 58.68 | 14 48 59.19 | |||||||||
Declination | -02 32 32.57 (0.06) | -02 32 30.11 | -02 32 32.48 (0.09) | -02 32 32.57 | -02 32 29.93 (0.06) | -02 32 32.48 | -02 32 30.13 | -02 32 25.80 | -02 32 30.12 | |||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 9199.0 (38) | 9340.0 (37) | 9199.0 (38) | 9100.0 | 9290.0 (30) | 9363.0 (140) | 9234.0 (27) | 9097.0 (25) | |||||||||
log(g) | [cgs] | 8.01 (0.009) | 8.02 (0.01) | 7.98 (0.01) | 7.96 | 8.26 (0.04) | 8.04 (0.03) | 8.22 (0.04) | 8.03 (0.04) | |||||||||
Mass | [M☉] | 0.602 (0.008) | 0.609 (0.01) | 0.587 (0.01) | 0.575 | 0.76 (0.03) | 0.624 (0.02) | 0.615 (0.03) | ||||||||||
log(Luminosity) | [L☉] | |||||||||||||||||
Cooling age | [Gyr] | 0.7700 | 0.7306 | 1.0715 | ||||||||||||||
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] | 12.76 (0.08) | 12.55 (0.1) | 12.55 (0.1) | 12.76 | 12.76 (0.08) | 12.55 (0.1) | |||||||||||
Distance | [pc] | 78.39 (0.5) | 79.68 (0.7) | 79.66 (0.7) | 78.39 | 78.39 (0.5) | 79.66 (0.7) | |||||||||||
Composition | H | H | H | H | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | -187.3497581 (0.09) | -187.2822084 (0.2) | -187.35 (0.09) | -187.282 | -185.9 | ||||||||||||
Proper motion (declination) | [mas/yr] | -164.8868022 (0.07) | -164.6496011 (0.2) | -164.887 (0.07) | -164.65 | -160.3 | ||||||||||||
Variability | ||||||||||||||||||
Magnetic | ||||||||||||||||||
Bd | [MG] | |||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||
Binarity | ||||||||||||||||||
B magnitude | ||||||||||||||||||
V magnitude | ||||||||||||||||||
R magnitude | ||||||||||||||||||
I magnitude | ||||||||||||||||||
J magnitude | 16.75 (0.02) | 16.48 (0.1) | ||||||||||||||||
H magnitude | 16.72 (0.03) | 16.54 (0.3) | ||||||||||||||||
K magnitude | 16.63 (0.06) | |||||||||||||||||
u magnitude | 17.38 (0.009) | 17.38 (0.009) | 17.38 (0.009) | 17.38 (0.009) | 17.39 (0.02) | 17.39 | 17.37 (0.02) | |||||||||||
g magnitude | 16.96 (0.004) | 16.96 (0.004) | 16.96 (0.004) | 16.99 (0.02) | 16.98 | 16.98 (0.02) | ||||||||||||
r magnitude | 17.00 (0.005) | 17.00 (0.005) | 17.00 (0.005) | 16.99 (0.01) | 16.98 | 16.98 (0.01) | ||||||||||||
i magnitude | 17.07 (0.006) | 17.07 (0.006) | 17.07 (0.006) | 17.08 (0.01) | 17.07 | 17.07 (0.01) | ||||||||||||
z magnitude | 17.21 (0.01) | 17.21 (0.01) | 17.21 (0.01) | 17.21 (0.03) | 17.19 | 17.20 (0.03) | ||||||||||||
G magnitude | 16.94 (0.008) | 16.97 | 16.94 | 16.94 (0.003) | 16.97 | |||||||||||||
BP magnitude | 17.01 (0.008) | 17.03 | 17.03 | |||||||||||||||
RP magnitude | 16.79 (0.008) | 16.80 | 16.80 | |||||||||||||||
Pan g magnitude | 16.99 (0.003) | 16.98 (0.003) | ||||||||||||||||
Pan r magnitude | 17.01 (0.002) | 17.01 (0.002) | ||||||||||||||||
Pan i magnitude | 17.11 (0.002) | 17.11 (0.002) | ||||||||||||||||
Pan z magnitude | 17.24 (0.004) | 17.24 (0.005) | ||||||||||||||||
Pan y magnitude | 17.34 (0.005) | 17.34 (0.004) | ||||||||||||||||
E(B-V) | 0.006 |
* 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.