All names: US 3057, SDSS J115106.71+315322.7, Gaia DR3 4021429728090248576, SDSS J115106.70+315322.6, GALEX J115106.7+315322, SDSS J115106.71+315322.6, SDSS J115106.71+315322.5, Gaia EDR3 4021429728090248576, SDSS J115106.70+315322.5, Gaia DR2 4021429728090248576
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 51 06.69 (0.1) | 11 51 06.71 | 11 51 06.70 (0.2) | 11 51 06.69 | 11 51 06.72 (0.1) | 11 51 06.71 | |||||
| Declination | 31 53 22.33 (0.1) | 31 53 22.63 | 31 53 22.34 (0.1) | 31 53 22.33 | 31 53 22.64 (0.1) | 31 53 22.66 | |||||
| Spectral type | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 35315.0 (345) | 41666.0 (7082) | 36077.0 (465) | |||||||
| log(g) | [cgs] | 7.79 (0.06) | 8.03 (0.1) | 7.75 (0.08) | |||||||
| Mass | [M☉] | 0.56 (0.03) | 0.686 (0.1) | 0.547 (0.03) | |||||||
| log(Luminosity) | [L☉] | -0.46 (0.04) | |||||||||
| Cooling age | [Gyr] | 0.0052 (0.0002) | |||||||||
| 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] | 1.80 (0.1) | 1.67 (0.2) | 1.80 | 1.80 (0.1) | ||||||
| Distance | [pc] | 554.25 (46) | 598.51 (79) | 554.25 | 554.26 (46) | ||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -17.19927737 (0.1) | -17.50422555 (0.3) | -17.199 (0.1) | |||||||
| Proper motion (declination) | [mas/yr] | -19.31366568 (0.1) | -18.53636107 (0.3) | -19.314 (0.1) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.40 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 17.66 (0.01) | 17.66 (0.01) | 17.66 (0.01) | ||||||||
| g magnitude | 17.96 (0.006) | 17.96 (0.006) | 17.97 (0.02) | ||||||||
| r magnitude | 18.46 (0.008) | 18.45 (0.008) | 18.46 (0.02) | ||||||||
| i magnitude | 18.86 (0.01) | 18.86 (0.01) | 18.88 (0.02) | ||||||||
| z magnitude | 19.25 (0.07) | 19.25 (0.07) | 19.24 (0.06) | ||||||||
| G magnitude | 18.22 (0.009) | 18.26 | 18.22 | 18.22 (0.003) | |||||||
| BP magnitude | 18.08 (0.009) | 18.04 | |||||||||
| RP magnitude | 18.51 (0.03) | 18.46 | |||||||||
| Pan g magnitude | 18.04 (0.009) | ||||||||||
| Pan r magnitude | 18.48 (0.007) | ||||||||||
| Pan i magnitude | 18.84 (0.002) | ||||||||||
| Pan z magnitude | 19.14 (0.02) | ||||||||||
| Pan y magnitude | 19.34 (0.03) | ||||||||||
| E(B-V) | 0.020 | ||||||||||
* 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.