All names: GALEX J152001.5+535743, TIC 193974207, CBS 313, SDSS J152001.58+535742.9, WD 1518+541, SBSS 1518+541, 2MASS J15200158+5357429, SDSS J152001.59+535742.9, Gaia DR2 1599634185412296064, Gaia DR3 1599634185412296064, SDSS J152001.61+535743.8, Gaia EDR3 1599634185412296064, [BGK2006] J152001.60+535742.9, SDSS J152001.62+535743.8
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 20 01.62 (0.04) | 15 20 01.59 | 15 20 01.62 (0.05) | 15 20 01.62 | 15 20 01.60 (0.04) | 15 20 01.37 | |||||
| Declination | 53 57 44.06 (0.05) | 53 57 42.99 | 53 57 44.02 (0.06) | 53 57 44.06 | 53 57 42.84 (0.05) | 53 57 37.80 | |||||
| Spectral type | DA | DA | DA3.0 | DA | DA | ||||||
| Effective temperature | [K] | 16660.0 (318) | 16485.0 (315) | ||||||||
| log(g) | [cgs] | 7.96 (0.06) | 7.96 (0.02) | ||||||||
| Mass | [M☉] | 0.59 (0.03) | 0.595 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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] | 6.88 (0.05) | 6.85 (0.06) | 6.88 | 6.88 (0.05) | ||||||
| Distance | [pc] | 145.29 (1) | 145.88 (1) | 99.00 | 145.29 | 145.29 (1) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 16.19336707 (0.06) | 16.07115533 (0.1) | 16.193 (0.06) | |||||||
| Proper motion (declination) | [mas/yr] | 76.60466635 (0.06) | 76.72118856 (0.1) | 76.605 (0.06) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.67 (0.1) | ||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.02 (0.008) | 17.02 (0.008) | |||||||||
| g magnitude | 16.76 (0.004) | 16.75 (0.004) | |||||||||
| r magnitude | 17.08 (0.005) | 17.08 (0.005) | |||||||||
| i magnitude | 17.34 (0.006) | 17.34 (0.006) | |||||||||
| z magnitude | 17.64 (0.02) | 17.64 (0.02) | |||||||||
| G magnitude | 16.92 (0.004) | 16.94 | 16.92 | 16.92 (0.003) | |||||||
| BP magnitude | 16.87 (0.004) | 16.87 | |||||||||
| RP magnitude | 17.03 (0.006) | 17.04 | |||||||||
| Pan g magnitude | 16.81 (0.004) | ||||||||||
| Pan r magnitude | 17.07 (0.006) | ||||||||||
| Pan i magnitude | 17.35 (0.003) | ||||||||||
| Pan z magnitude | 17.59 (0.005) | ||||||||||
| Pan y magnitude | 17.75 (0.01) | ||||||||||
| E(B-V) | 0.015 | ||||||||||
* 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.