All names: SDSS J211640.30-072452.7, TIC 271788592, WDJ211640.30-072452.53, Gaia DR2 6898521877506794880, WT 2204, 2MASS J21164032-0724528, Gaia DR3 6898521877506794880, NLTT 50906, WD 2114-076, Gaia EDR3 6898521877506794880, PSO J319.1682-07.4153, J2116-0724, LP 697-16, SDSS J211640.30-072452.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 21 16 40.41 (0.09) | 21 16 40.41 (0.1) | 21 16 40.41 | 21 16 40.30 (0.09) | 21 16 40.41 | 21 16 40.58 | ||||||||
| Declination | -07 24 56.00 (0.07) | -07 24 55.89 (0.1) | -07 24 56.00 | -07 24 52.53 (0.07) | -07 24 55.89 | -07 24 49.32 | ||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC11.6 | ||||||
| Effective temperature | [K] | 4648.0 (11) | 4665.0 (12) | 4640.0 (25) | 4664.0 | 4347.0 | 4701.0 (39) | |||||||
| log(g) | [cgs] | 7.48 (0.009) | 7.51 (0.01) | 7.47 (0.02) | 7.49 | 7.24 | 7.52 (0.03) | |||||||
| Mass | [M☉] | 0.313 (0.005) | 0.326 (0.006) | 0.311 (0.009) | 0.318 | 0.226 | 0.33 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 3.0400 | 2.7960 (0.08) | 2.7900 | 2.4930 | |||||||||
| 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] | 24.72 (0.1) | 24.68 (0.1) | 24.68 (0.1) | 24.68 (0.1) | 24.72 | 24.72 (0.1) | 24.68 (0.1) | ||||||
| Distance | [pc] | 40.46 (0.2) | 40.52 (0.2) | 40.52 (0.2) | 40.52 (0.2) | 40.46 | 40.46 (0.2) | 40.52 (0.2) | ||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 107.0086117 (0.1) | 107.7753037 (0.3) | 107.009 (0.1) | 107.7753037 | |||||||||
| Proper motion (declination) | [mas/yr] | -216.8338704 (0.09) | -216.7160116 (0.2) | -216.834 (0.09) | -216.7160116 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.00 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.16 (0.04) | 16.34 (0.1) | 16.16 (0.04) | |||||||||||
| H magnitude | 16.02 (0.05) | 16.26 (0.2) | 16.02 (0.05) | |||||||||||
| K magnitude | 15.90 (0.05) | 15.52 (0.2) | 15.90 (0.05) | |||||||||||
| u magnitude | 20.31 (0.05) | 20.32 (0.05) | 20.32 (0.05) | 19.60 | ||||||||||
| g magnitude | 18.33 (0.004) | 18.44 (0.008) | 17.93 | |||||||||||
| r magnitude | 17.59 (0.005) | 17.59 (0.007) | 17.24 | |||||||||||
| i magnitude | 17.28 (0.003) | 17.25 (0.007) | 16.99 | |||||||||||
| z magnitude | 17.17 (0.005) | 17.09 (0.01) | 16.94 | |||||||||||
| G magnitude | 17.62 (0.01) | 17.64 | 17.62 | 17.62 (0.003) | 17.64 | |||||||||
| BP magnitude | 18.22 (0.01) | 18.19 | 18.19 | |||||||||||
| RP magnitude | 16.95 (0.009) | 16.94 | 16.94 | |||||||||||
| Pan g magnitude | 18.33 (0.004) | 18.33 (0.004) | 18.33 (0.004) | |||||||||||
| Pan r magnitude | 17.59 (0.005) | 17.59 (0.005) | 17.59 (0.005) | |||||||||||
| Pan i magnitude | 17.28 (0.003) | 17.28 (0.002) | 17.28 (0.002) | |||||||||||
| Pan z magnitude | 17.17 (0.004) | 17.17 (0.005) | 17.17 (0.005) | |||||||||||
| Pan y magnitude | 17.11 (0.006) | 17.11 (0.005) | 17.11 (0.005) | |||||||||||
| 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.