All names: Gaia DR2 2696628687474414208, TIC 270060276, PSO J327.3067+04.2631, SDSS J214913.61+041548.3, NLTT 52166, SDSS J214913.62+041548.4, LSPM J2149+0415, Gaia EDR3 2696628687474414208, WDJ214913.61+041550.35, 21492+0415, 2MASS J21491360+0415500, PM J21492+0415, J2149+0415, LP 578-38, GALEX J214913.4+041550, Gaia DR3 2696628687474414208, USNO-B1.0 0942-00567015
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 49 13.63 (0.05) | 21 49 13.62 (0.08) | 21 49 13.62 (0.08) | 21 49 13.63 | 21 49 13.61 (0.05) | 21 49 13.62 | |||||||||
| Declination | 04 15 46.83 (0.05) | 04 15 46.94 (0.07) | 04 15 46.94 (0.07) | 04 15 46.83 | 04 15 50.35 (0.05) | 04 15 46.94 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 5106.0 (8) | 5173.0 (40) | 5137.0 (8) | 5106.0 (8) | 5132.9 (45) | 5165.0 (25) | 5440.0 (187) | 5267.0 (26) | ||||||
| log(g) | [cgs] | 7.32 (0.006) | 7.43 (0.03) | 7.35 (0.006) | 7.32 (0.006) | 7.40 (0.04) | 7.37 (0.02) | 8.00 (0) | 7.44 (0.01) | ||||||
| Mass | [M☉] | 0.261 (0.003) | 0.322 (0.01) | 0.273 (0.003) | 0.261 (0.003) | 0.28 (0.007) | 0.58 (0.1) | 0.306 (0.007) | |||||||
| log(Luminosity) | [L☉] | -3.90 | |||||||||||||
| Cooling age | [Gyr] | 1.6600 | 1.6290 (0.04) | ||||||||||||
| 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] | 28.49 (0.07) | 28.49 (0.07) | 28.44 (0.09) | 28.44 (0.09) | 28.44 (0.09) | 28.44 (0.09) | 28.49 | 28.49 (0.07) | 28.44 (0.09) | |||||
| Distance | [pc] | 35.10 (0.08) | 35.10 (0.09) | 35.16 (0.1) | 35.16 (0.1) | 35.16 (0.1) | 35.16 (0.1) | 26.20 (3) | 35.10 | 35.10 (0.08) | 35.16 (0.1) | ||||
| Composition | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.85875471 (0.07) | 13.85760526 (0.1) | 13.859 (0.07) | 13.85760526 | ||||||||||
| Proper motion (declination) | [mas/yr] | -219.9795452 (0.06) | -219.5489285 (0.1) | -219.98 (0.06) | -219.5489285 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 17.40 | ||||||||||||||
| V magnitude | |||||||||||||||
| R magnitude | 15.50 | ||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 15.42 (0.01) | 15.38 (0.05) | 15.38 | 15.38 (0.05) | |||||||||||
| H magnitude | 15.21 (0.08) | 15.21 (0.08) | 15.21 | 15.21 (0.08) | |||||||||||
| K magnitude | 15.10 (0.1) | 15.10 (0.1) | 15.10 | 15.10 (0.1) | |||||||||||
| u magnitude | 18.70 (0.02) | 18.70 (0.02) | 18.70 (0.02) | ||||||||||||
| g magnitude | 17.16 (0.002) | 17.24 (0.005) | |||||||||||||
| r magnitude | 16.63 (0.005) | 16.62 (0.005) | |||||||||||||
| i magnitude | 16.40 (0.002) | 16.38 (0.005) | |||||||||||||
| z magnitude | 16.33 (0.003) | 16.29 (0.008) | |||||||||||||
| G magnitude | 16.65 (0.006) | 16.66 | 16.66 | 16.65 | 16.65 (0.003) | 16.66 | |||||||||
| BP magnitude | 17.08 (0.006) | 17.11 | 17.11 | ||||||||||||
| RP magnitude | 16.05 (0.004) | 16.07 | 16.07 | ||||||||||||
| Pan g magnitude | 17.16 (0.002) | 17.16 (0.002) | 17.16 (0.002) | ||||||||||||
| Pan r magnitude | 16.63 (0.005) | 16.63 (0.005) | 16.63 (0.005) | ||||||||||||
| Pan i magnitude | 16.40 (0.002) | 16.40 (0.002) | 16.40 (0.002) | ||||||||||||
| Pan z magnitude | 16.33 (0.003) | 16.33 (0.003) | 16.33 (0.003) | ||||||||||||
| Pan y magnitude | 16.29 (0.005) | 16.29 (0.007) | 16.29 (0.007) | ||||||||||||
| E(B-V) | 0.001 | ||||||||||||||
* 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.