All names: Gaia DR2 4415589665802472320, Gaia EDR3 4415589665802472320, WD 1515-009, SDSS J151747.98-011049.6, SDSS J151747.98-011049.4, SDSS J151747.99-011049.5, Gaia DR3 4415589665802472320, SDSS J151747.99-011049.6, SDSS J151747.98-011049.7
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Tremblay et al. 2011 | Harris et al. 2003 | 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 17 47.98 (0.2) | 15 17 47.98 | 15 17 47.98 (0.3) | 15 17 47.99 (0.2) | 15 17 47.99 | 15 17 46.73 | 15 17 47.99 | 15 17 47.99 | |||||||
| Declination | -01 10 49.49 (0.2) | -01 10 49.61 | -01 10 49.50 (0.2) | -01 10 49.73 (0.2) | -01 10 49.64 | -01 10 49.80 | -01 10 49.63 | -01 10 49.58 | |||||||
| Spectral type | DA | DA | DA3 | DA3 | DA | DA1.4 | DA | DA | |||||||
| Effective temperature | [K] | 34085.0 (414) | 32550.0 (600) | 34735.0 (527) | 34169.0 (602) | 35073.0 (537) | |||||||||
| log(g) | [cgs] | 7.67 (0.08) | 7.68 (0.1) | 7.92 (0.1) | 7.83 (0.1) | 8.02 (0.1) | |||||||||
| Mass | [M☉] | 0.5 (0.03) | 0.51 (0.05) | ||||||||||||
| log(Luminosity) | [L☉] | -0.45 (0.05) | |||||||||||||
| Cooling age | [Gyr] | 0.0052 (0.0006) | 0.0078 | ||||||||||||
| 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] | 1.23 (0.2) | 1.33 (0.3) | 1.23 (0.2) | |||||||||||
| Distance | [pc] | 811.47 (164) | 749.29 (170) | 811.49 (164) | |||||||||||
| Composition | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -13.23442861 (0.3) | -13.855 (0.5) | -13.234 (0.3) | -2.8 | -1.0 | |||||||||
| Proper motion (declination) | [mas/yr] | 14.94682749 (0.3) | 14.337 (0.5) | 14.947 (0.3) | 17.5 | 15.0 | |||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | |||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | |||||||||||||||
| H magnitude | |||||||||||||||
| K magnitude | |||||||||||||||
| u magnitude | 18.56 (0.02) | 18.58 | 18.56 (0.02) | 18.55 (0.02) | 18.58 | 18.56 (0.02) | 18.58 (0.03) | ||||||||
| g magnitude | 18.74 (0.008) | 18.77 | 18.74 (0.008) | 18.74 (0.02) | 18.77 | 18.74 (0.02) | 18.77 (0.02) | ||||||||
| r magnitude | 19.11 (0.01) | 19.16 | 19.11 (0.01) | 19.09 (0.02) | 19.15 | 19.09 (0.02) | 19.15 (0.02) | ||||||||
| i magnitude | 19.36 (0.02) | 19.36 | 19.36 (0.02) | 19.34 (0.02) | 19.35 | 19.35 (0.02) | 19.35 (0.02) | ||||||||
| z magnitude | 19.58 (0.06) | 19.65 | 19.58 (0.06) | 19.54 (0.06) | 19.64 | 19.55 (0.06) | 19.64 (0.07) | ||||||||
| G magnitude | 18.92 (0.02) | 18.96 | 18.92 (0.004) | ||||||||||||
| BP magnitude | 18.93 (0.02) | 18.80 | |||||||||||||
| RP magnitude | 19.15 (0.07) | 18.99 | |||||||||||||
| Pan g magnitude | 18.79 (0.005) | ||||||||||||||
| Pan r magnitude | 19.11 (0.008) | ||||||||||||||
| Pan i magnitude | 19.44 (0.02) | ||||||||||||||
| Pan z magnitude | 19.55 (0.03) | ||||||||||||||
| Pan y magnitude | 19.73 (0.04) | ||||||||||||||
| E(B-V) | 0.100 | ||||||||||||||
* 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.