All names: [SGR2010] J1528+3443, GALEX J152821.5+344315, 2MASS J15282147+3443151, Gaia DR3 1374752721451019520, SDSS J152821.45+344314.9, SBC9 3385, [HHD2009] SDSS J1528+3443, Gaia DR2 1374752721451019520, Gaia EDR3 1374752721451019520, TIC 16320621, WIRED J152821.45+344314.9, SDSS J152821.46+344314.9, WD 1526+348, LAMOST J152821.45+344314.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 28 21.45 (0.07) | 15 28 21.45 | 15 28 21.45 (0.09) | 15 28 21.45 | 15 28 21.46 (0.07) | 15 28 21.46 | 15 28 21.26 | 15 28 21.46 | ||||
| Declination | 34 43 14.52 (0.08) | 34 43 14.91 | 34 43 14.53 (0.1) | 34 43 14.92 | 34 43 14.96 (0.08) | 34 43 14.91 | 34 43 10.92 | 34 43 14.91 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA dM | DA+M | ||||||
| Effective temperature | [K] | 26801.0 (1022) | 26370.0 (880) | 7453.0 (58) | 7036.0 (67) | |||||||
| log(g) | [cgs] | 7.85 (0.1) | 7.92 (0.1) | 7.89 (0.1) | 6.92 (0.3) | |||||||
| Mass | [M☉] | 0.56 (0.07) | 0.59 (0.07) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0174 | ||||||||||
| 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] | 1.97 (0.1) | 1.75 (0.1) | 1.97 (0.1) | ||||||||
| Distance | [pc] | 507.48 (27) | 572.02 (43) | 426.00 (67) | 507.49 (27) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.78391982 (0.09) | -10.72052179 (0.2) | -10.784 (0.09) | -7.3 | |||||||
| Proper motion (declination) | [mas/yr] | -27.52155066 (0.1) | -26.91353231 (0.2) | -27.522 (0.1) | -28.7 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.04 (0.08) | |||||||||||
| H magnitude | 15.51 (0.1) | |||||||||||
| K magnitude | 15.28 (0.1) | |||||||||||
| u magnitude | 18.45 (0.02) | 18.46 | 18.45 (0.02) | 18.46 (0.02) | 18.46 | 18.46 (0.02) | ||||||
| g magnitude | 18.43 (0.007) | 18.44 | 18.43 (0.007) | 18.44 (0.02) | 18.44 | 18.44 (0.02) | ||||||
| r magnitude | 18.46 (0.008) | 18.46 | 18.46 (0.008) | 18.46 (0.01) | 18.46 | 18.45 (0.01) | ||||||
| i magnitude | 17.85 (0.007) | 17.87 | 17.86 (0.007) | 17.87 (0.01) | 17.87 | 17.85 (0.01) | ||||||
| z magnitude | 17.29 (0.01) | 17.29 | 17.29 (0.01) | 17.29 (0.02) | 17.29 | 17.28 (0.02) | ||||||
| G magnitude | 18.09 (0.01) | 18.10 | 18.09 (0.003) | |||||||||
| BP magnitude | 18.49 (0.01) | 18.44 | ||||||||||
| RP magnitude | 17.39 (0.009) | 17.40 | ||||||||||
| Pan g magnitude | 18.44 (0.007) | |||||||||||
| Pan r magnitude | 18.47 (0.01) | |||||||||||
| Pan i magnitude | 17.84 (0.008) | |||||||||||
| Pan z magnitude | 17.39 (0.006) | |||||||||||
| Pan y magnitude | 17.16 (0.006) | |||||||||||
| E(B-V) | 0.025 | |||||||||||
* 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.