All names: [SRH2004] 25, LP 939-114, LHS 1274, USNO-B1.0 0561-00014709, WD 0136-340, [SII2000] 42, Gaia DR2 5012346101380568832, Gaia DR3 5012346101380568832, Gaia EDR3 5012346101380568832, TIC 32307206, 2MASS J01391431-3349037, WDJ013914.39-334903.32, NLTT 5543, APMPM J0139-3349, LEHPM 1752
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Stilism | Bergeron et al. 2005 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 39 15.14 (0.05) | 01 39 15.11 (0.05) | 01 39 15.14 | 01 39 14.39 (0.05) | 01 39 15.11 | 01 39 14.09 | ||||
| Declination | -33 49 03.67 (0.04) | -33 49 03.66 (0.04) | -33 49 03.67 | -33 49 03.32 (0.04) | -33 49 03.66 | -33 49 00.12 | ||||
| Spectral type | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 6742.0 (60) | 7000.0 (180) | 6829.0 (34) | ||||||
| log(g) | [cgs] | 8.35 (0.02) | 8.00 (0) | 8.37 (0.009) | ||||||
| Mass | [M☉] | 0.814 (0.02) | 0.59 | 0.83 (0.008) | ||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | 1.5200 | ||||||||
| 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] | 25.26 (0.07) | 25.26 (0.07) | 25.28 (0.08) | 25.26 | 25.26 (0.07) | 25.28 (0.08) | |||
| Distance | [pc] | 39.59 (0.1) | 39.59 (0.1) | 39.56 (0.1) | 52.00 | 39.59 | 39.59 (0.1) | 39.56 (0.1) | ||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 582.6642226 (0.05) | 582.5502516 (0.09) | 582.664 (0.05) | 582.5502516 | |||||
| Proper motion (declination) | [mas/yr] | -22.22792754 (0.04) | -22.38059322 (0.07) | -22.228 (0.04) | -22.38059322 | |||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.59 | |||||||||
| V magnitude | 17.18 | 17.34 | ||||||||
| R magnitude | 16.88 | |||||||||
| I magnitude | 16.65 | |||||||||
| J magnitude | 16.44 (0.06) | 16.30 (0.09) | ||||||||
| H magnitude | 16.25 (0.06) | 15.95 (0.2) | ||||||||
| K magnitude | 16.12 (0.06) | |||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 17.07 (0.004) | 17.08 | 17.07 | 17.07 (0.003) | 17.08 | |||||
| BP magnitude | 17.28 (0.004) | 17.27 | 17.27 | |||||||
| RP magnitude | 16.71 (0.004) | 16.71 | 16.71 | |||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.000 | |||||||||
* 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.