All names: WDJ144251.51-782353.67, LTT 5814, Gaia DR3 5785654859950570496, CNS5 3642, Gaia DR2 5785654859950570496, WD 1436-781, L40-109, Gaia EDR3 5785654859950570496, NLTT 38003, L 40-109, 2MASS J14425151-7823536, TIC 349502268
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Gianninas et al. 2011 | Subasavage et al. 2009 | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 42 49.33 (0.03) | 14 42 49.40 (0.03) | 14 42 51.36 | 14 42 51.51 | 14 42 51.54 | 14 42 49.33 | 14 42 51.52 (0.03) | 14 42 49.40 | 14 42 51.91 | |||||
| Declination | -78 23 53.22 (0.03) | -78 23 53.23 (0.03) | -78 23 52.80 | -78 23 53.60 | -78 23 53.60 | -78 23 53.22 | -78 23 53.67 (0.03) | -78 23 53.23 | -78 23 54.60 | |||||
| Spectral type | DA | DA | DA8.1 | DA | DA8.0 | DA | DA8.5 | DA8.1 | ||||||
| Effective temperature | [K] | 6206.0 (35) | 6271.0 (200) | 6270.0 | 5960.0 (180) | 6270.0 (200) | 6246.0 (200) | 6316.0 (20) | ||||||
| log(g) | [cgs] | 8.12 (0.02) | 8.06 (0.03) | 7.18 (0.4) | 8.08 (0.03) | 8.16 (0.006) | ||||||||
| Mass | [M☉] | 0.666 (0.01) | 0.63 (0.02) | 0.26 (0.1) | 0.64 (0.02) | 0.689 (0.005) | ||||||||
| log(Luminosity) | [L☉] | -3.70 (0.02) | ||||||||||||
| Cooling age | [Gyr] | 2.3600 | 2.4100 (0.2) | |||||||||||
| 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] | 41.69 (0.03) | 41.69 (0.03) | 41.71 (0.04) | 40.56 (0.8) | 40.56 (0.8) | 41.69 | 41.69 (0.03) | 41.71 (0.04) | 40.50 (0.8) | ||||
| Distance | [pc] | 23.99 (0.02) | 23.99 (0.02) | 23.98 (0.02) | 24.65 (0.5) | 24.65 | 40.00 | 24.65 (0.5) | 26.00 | 23.99 | 23.99 (0.02) | 23.98 (0.02) | 24.69 (0.5) | |
| Composition | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -411.5772029 (0.03) | -411.4952223 (0.07) | -411.577 (0.03) | -411.4952223 | |||||||||
| Proper motion (declination) | [mas/yr] | 28.3681473 (0.03) | 28.33595447 (0.06) | 28.368 (0.03) | 28.33595447 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | ||||||||||||||
| V magnitude | 16.11 | 16.11 | ||||||||||||
| R magnitude | 15.82 | |||||||||||||
| I magnitude | 15.49 | |||||||||||||
| J magnitude | 15.04 (0.04) | 15.04 (0.04) | 15.04 (0.04) | |||||||||||
| H magnitude | 14.88 (0.08) | 14.88 (0.08) | 14.88 (0.08) | |||||||||||
| K magnitude | 14.76 (0.1) | 14.76 (0.1) | 14.76 (0.1) | |||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 15.95 (0.002) | 15.96 | 15.95 | 15.95 (0.003) | 15.96 | |||||||||
| BP magnitude | 16.21 (0.002) | 16.22 | 16.22 | |||||||||||
| RP magnitude | 15.52 (0.002) | 15.53 | 15.53 | |||||||||||
| Pan g magnitude | ||||||||||||||
| Pan r magnitude | ||||||||||||||
| Pan i magnitude | ||||||||||||||
| Pan z magnitude | ||||||||||||||
| Pan y magnitude | ||||||||||||||
| E(B-V) | 0.002 | |||||||||||||
* 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.