All names: TIC 371330294, Gaia DR3 4421098773108860928, SDSS J153035.39+023538.1, WDJ153035.39+023538.16, WD 1528+027, GALEX J153035.3+023537, SDSS J153035.38+023538.1, WIRED J153035.38+023538.1, Gaia EDR3 4421098773108860928, J1530+0235, Gaia DR2 4421098773108860928, SDSS J153035.38+023537.9, PSO J232.6473+02.5937, 2MASS J15303537+0235378
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | 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 | Kleinman et al. 2004 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 30 35.37 (0.05) | 15 30 35.38 | 15 30 35.37 (0.07) | 15 30 35.37 | 15 30 35.39 (0.05) | 15 30 35.37 | 15 30 35.38 | 15 30 34.30 | 15 30 35.39 | 15 30 35.39 | |||||||||
| Declination | 02 35 37.47 (0.04) | 02 35 37.97 | 02 35 37.49 (0.07) | 02 35 37.47 | 02 35 38.16 (0.04) | 02 35 37.49 | 02 35 38.13 | 02 35 35.52 | 02 35 38.12 | 02 35 38.11 | |||||||||
| Spectral type | DA | DA | DA | DA | DA6.5 | DA | DA | DA6.2 | DA | DA | |||||||||
| Effective temperature | [K] | 7716.0 (35) | 7520.0 (65) | 7571.0 | 7300.0 | 7550.0 (30) | 7326.0 (71) | 8009.0 (22) | 7412.0 (24) | 8157.0 (20) | |||||||||
| log(g) | [cgs] | 7.98 (0.009) | 7.92 (0.02) | 7.93 | 7.82 | 7.96 (0.06) | 7.87 (0.02) | 8.57 (0.04) | 7.85 (0.04) | 8.98 (0.03) | |||||||||
| Mass | [M☉] | 0.581 (0.008) | 0.549 (0.01) | 0.554 | 0.474 | 0.57 (0.03) | 0.518 (0.01) | 0.515 (0.02) | |||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||||
| Cooling age | [Gyr] | 1.1900 | 1.1370 (0.05) | 1.1290 | 1.1180 | 1.2023 | |||||||||||||
| 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] | 18.64 (0.06) | 18.56 (0.08) | 18.56 (0.08) | 18.56 (0.08) | 18.64 | 18.64 (0.06) | 18.56 (0.08) | |||||||||||
| Distance | [pc] | 53.65 (0.2) | 53.88 (0.2) | 53.88 (0.2) | 53.88 (0.2) | 53.65 | 53.65 (0.2) | 53.88 (0.2) | |||||||||||
| Composition | H | H | H | ||||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -18.24419237 (0.07) | -18.20500779 (0.1) | -18.244 (0.07) | -18.205 | -13.6 | -16.0 | ||||||||||||
| Proper motion (declination) | [mas/yr] | -42.78766661 (0.06) | -42.93517741 (0.1) | -42.788 (0.06) | -42.935 | -45.9 | -48.0 | ||||||||||||
| Variability | |||||||||||||||||||
| Magnetic | |||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||
| Binarity | |||||||||||||||||||
| B magnitude | |||||||||||||||||||
| V magnitude | |||||||||||||||||||
| R magnitude | |||||||||||||||||||
| I magnitude | |||||||||||||||||||
| J magnitude | 16.22 (0.01) | 16.11 (0.09) | 16.11 (0.09) | ||||||||||||||||
| H magnitude | 16.03 (0.02) | 16.03 (0.2) | 16.03 (0.01) | ||||||||||||||||
| K magnitude | 16.06 (0.03) | 16.06 (0.03) | |||||||||||||||||
| u magnitude | 17.32 (0.009) | 17.30 (0.009) | 17.32 (0.009) | 17.30 (0.009) | 17.31 (0.01) | 17.31 | 17.31 (0.02) | 17.31 (0.01) | |||||||||||
| g magnitude | 16.85 (0.004) | 16.84 (0.006) | 16.82 (0.004) | 16.82 (0.02) | 16.83 | 16.83 (0.02) | 16.83 (0.02) | ||||||||||||
| r magnitude | 16.74 (0.004) | 16.75 (0.004) | 16.74 (0.004) | 16.73 (0.02) | 16.72 | 16.73 (0.02) | 16.72 (0.02) | ||||||||||||
| i magnitude | 16.73 (0.005) | 16.76 (0.004) | 16.74 (0.005) | 16.73 (0.02) | 16.73 | 16.74 (0.02) | 16.73 (0.02) | ||||||||||||
| z magnitude | 16.80 (0.01) | 16.81 (0.004) | 16.78 (0.01) | 16.76 (0.03) | 16.77 | 16.77 (0.03) | 16.77 (0.03) | ||||||||||||
| G magnitude | 16.70 (0.005) | 16.72 | 16.70 | 16.70 (0.003) | 16.72 | ||||||||||||||
| BP magnitude | 16.86 (0.005) | 16.85 | 16.85 | ||||||||||||||||
| RP magnitude | 16.43 (0.007) | 16.43 | 16.43 | ||||||||||||||||
| Pan g magnitude | 16.84 (0.004) | 16.84 (0.006) | 16.84 (0.006) | ||||||||||||||||
| Pan r magnitude | 16.75 (0.003) | 16.75 (0.004) | 16.75 (0.004) | ||||||||||||||||
| Pan i magnitude | 16.76 (0.004) | 16.76 (0.004) | 16.76 (0.004) | ||||||||||||||||
| Pan z magnitude | 16.81 (0.004) | 16.81 (0.004) | 16.81 (0.004) | ||||||||||||||||
| Pan y magnitude | 16.88 (0.007) | 16.88 (0.006) | 16.88 (0.006) | ||||||||||||||||
| E(B-V) | 0.002 | ||||||||||||||||||
* 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.