All names: MCT 2035-3337, BPS CS 30314-0201, EC 20355-3337, TIC 441357923, WISE J203838.19-332635.3, WISEA J203838.18-332635.3, WDJ203838.15-332635.20, Gaia EDR3 6791907526363085952, Gaia DR2 6791907526363085952, 2MASS J20383813-3326350, UCAC4 283-221076, WD 2035-336, USNO-B1.0 0565-00916514, Gaia DR3 6791907526363085952, 1SWASP J203838.16-332635.0
| Parameter | Unit | Gaia EDR3 | Bergeron et al. 2021 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 38 38.22 (0.03) | 20 38 38.22 (0.04) | 20 38 38.22 | 20 38 38.15 (0.03) | 20 38 38.22 | 20 38 38.06 | ||||
| Declination | -33 26 35.51 (0.01) | -33 26 35.50 (0.03) | -33 26 35.51 | -33 26 35.20 (0.01) | -33 26 35.50 | -33 26 31.56 | ||||
| Spectral type | DA | DA | DA | DA2.6 | DA | |||||
| Effective temperature | [K] | 19653.0 (411) | 19460.0 (292) | 18722.0 (148) | ||||||
| log(g) | [cgs] | 7.75 (0.07) | 7.92 (0.04) | 7.97 (0.007) | ||||||
| Mass | [M☉] | 0.496 (0.03) | 0.58 (0.02) | 0.605 (0.006) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 0.0410 | ||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| log(Li/H) | ||||||||||
| log(Be/H) | ||||||||||
| log(B/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(Cl/H) | ||||||||||
| log(K/H) | ||||||||||
| log(Sc/H) | ||||||||||
| log(Ti/H) | ||||||||||
| log(V/H) | ||||||||||
| log(Cr/H) | ||||||||||
| log(Mn/H) | ||||||||||
| log(Fe/H) | ||||||||||
| log(Co/H) | ||||||||||
| log(Ni/H) | ||||||||||
| log(Cu/H) | ||||||||||
| log(Sr/H) | ||||||||||
| Parallax | [mas] | 18.52 (0.04) | 18.42 (0.06) | 18.52 | 18.52 (0.04) | 18.42 (0.06) | ||||
| Distance | [pc] | 53.99 (0.1) | 53.00 | 54.28 (0.2) | 55.00 | 53.99 | 53.99 (0.1) | 54.28 (0.2) | ||
| Composition | H | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 56.08343322 (0.04) | 56.08997677 (0.08) | 56.083 (0.04) | 56.08997677 | |||||
| Proper motion (declination) | [mas/yr] | -19.34246261 (0.03) | -19.32925899 (0.05) | -19.342 (0.03) | -19.32925899 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 14.50 | |||||||||
| V magnitude | 14.25 | |||||||||
| R magnitude | 14.81 (0.06) | |||||||||
| I magnitude | ||||||||||
| J magnitude | 14.95 (0.04) | |||||||||
| H magnitude | 15.00 (0.07) | |||||||||
| K magnitude | 15.01 (0.1) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 14.53 (0.001) | 14.55 | 14.53 | 14.53 (0.003) | 14.55 | |||||
| BP magnitude | 14.46 (0.001) | 14.43 | 14.43 | |||||||
| RP magnitude | 14.70 (0.001) | 14.70 | 14.70 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.003 | |||||||||
* 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.