All names: SDSS J154219.44+032310.9, Gaia DR2 4424531104813732736, Gaia DR3 4424531104813732736, WD 1539+035, WD 1538+035.1, 2MASS J15421943+0323105, TIC 459419658, WIRED J154219.44+032310.9, SDSS J154219.45+032311.0, [HHD2009] SDSS J1542+0323, LAMOST J154130.76+032312.9, SDSS J154219.44+032311.0, WISEA J154219.42+032310.7, [SGR2010] J1542+0323, WISE J154219.43+032310.8, SDSS J154130.76+032312.9, Gaia EDR3 4424531104813732736
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Kleinman et al. 2004 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 41 30.72 (0.08) | 15 42 19.45 | 15 41 30.72 (0.1) | 15 42 19.44 | 15 41 30.72 | 15 42 19.45 | 15 41 30.76 | 15 41 29.45 | 15 42 19.45 | 15 41 30.76 | |||||||
Declination | 03 23 12.83 (0.07) | 03 23 11.01 | 03 23 12.84 (0.08) | 03 23 10.90 | 03 23 12.83 | 03 23 11.01 | 03 23 12.99 | 03 23 08.16 | 03 23 10.99 | 03 23 12.95 | |||||||
Spectral type | DA | DA+M | DA | DA | DA | DA+dM | DA | DA3.1 | DA+M | DA | |||||||
Effective temperature | [K] | 12612.0 | 10550.0 (472) | 16270.0 (458) | 16770.0 (110) | 16093.0 (355) | 16138.0 (78) | 6300.0 (1) | 16195.0 (78) | ||||||||
log(g) | [cgs] | 7.09 | 8.27 (0.4) | 8.31 (0.09) | 7.96 (0.02) | 7.44 (0.03) | 7.92 (0.02) | 5.97 (0.2) | 7.94 (0.02) | ||||||||
Mass | [M☉] | 0.25 | 0.775 (0.3) | 0.81 (0.06) | 0.59 (0.01) | 0.36 (0.01) | |||||||||||
log(Luminosity) | [L☉] | ||||||||||||||||
Cooling age | [Gyr] | 0.1272 | 0.1288 | ||||||||||||||
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] | 5.29 (0.09) | 5.00 (0.1) | 5.29 | |||||||||||||
Distance | [pc] | 188.99 (3) | 199.95 (5) | 464.00 (145) | 188.99 | ||||||||||||
Composition | H | H | |||||||||||||||
Proper motion (right ascension) | [mas/yr] | -34.84910776 (0.1) | -34.77004186 (0.2) | -2.0 (5) | -28.6 | -31.0 | |||||||||||
Proper motion (declination) | [mas/yr] | -13.59167731 (0.09) | -13.46882229 (0.2) | -1.0 (5) | -12.1 | -18.0 | |||||||||||
Variability | |||||||||||||||||
Magnetic | |||||||||||||||||
Bd | [MG] | ||||||||||||||||
Infrared excess (disk) | |||||||||||||||||
Binarity | WDMS | WDMS | |||||||||||||||
B magnitude | |||||||||||||||||
V magnitude | |||||||||||||||||
R magnitude | |||||||||||||||||
I magnitude | |||||||||||||||||
J magnitude | 16.21 (0.08) | ||||||||||||||||
H magnitude | 15.78 (0.1) | ||||||||||||||||
K magnitude | 15.36 (0.1) | ||||||||||||||||
u magnitude | 19.72 (0.04) | 19.74 | 19.72 (0.04) | 17.02 (0.03) | 17.02 | 19.76 (0.04) | 17.02 (0.02) | ||||||||||
g magnitude | 19.31 (0.01) | 19.47 | 19.31 (0.01) | 16.70 (0.01) | 16.70 | 19.47 (0.02) | 16.70 (0.02) | ||||||||||
r magnitude | 18.93 (0.01) | 19.12 | 18.93 (0.01) | 16.98 (0.01) | 16.98 | 19.12 (0.02) | 16.98 (0.01) | ||||||||||
i magnitude | 18.03 (0.009) | 18.15 | 18.03 (0.009) | 17.17 (0.01) | 17.17 | 18.16 (0.02) | 17.17 (0.01) | ||||||||||
z magnitude | 17.44 (0.02) | 17.54 | 17.44 (0.02) | 17.45 (0.02) | 17.46 | 17.56 (0.03) | 17.46 (0.02) | ||||||||||
G magnitude | 16.86 (0.004) | 16.86 | 16.86 | ||||||||||||||
BP magnitude | 16.80 (0.004) | 16.80 | |||||||||||||||
RP magnitude | 16.92 (0.007) | 16.92 | |||||||||||||||
Pan g magnitude | 16.72 (0.005) | ||||||||||||||||
Pan r magnitude | 16.96 (0.002) | ||||||||||||||||
Pan i magnitude | 17.23 (0.003) | ||||||||||||||||
Pan z magnitude | 17.45 (0.006) | ||||||||||||||||
Pan y magnitude | 17.58 (0.01) | ||||||||||||||||
E(B-V) | 0.034 |
* 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.