All names: LAMOST J114152.61+253533.9, 1RXS J114153.4+253541, Ton 588, USNO-B1.0 1155-00186433, Gaia DR2 4005376892684888576, LAMOST J114152.62+253533.9, SDSS J114152.59+253533.9, RX J1141+255, SDSS J114152.63+253533.9, SDSS J114152.60+253533.9, WD 1139+258, Gaia EDR3 4005376892684888576, Gaia DR3 4005376892684888576, SDSS J114152.62+253533.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 41 52.59 (0.1) | 11 41 52.62 | 11 41 52.60 (0.1) | 11 41 52.59 | 11 41 52.64 (0.1) | 11 41 52.49 | 11 41 52.63 | ||||||
| Declination | 25 35 33.88 (0.1) | 25 35 33.93 | 25 35 33.88 (0.2) | 25 35 33.88 | 25 35 33.84 (0.1) | 25 35 39.48 | 25 35 33.93 | ||||||
| Spectral type | DA | DA | DA | DA1.1 | DA1 | DA | DA | ||||||
| Effective temperature | [K] | 43301.0 (507) | 43930.0 (1373) | 45985.0 (629) | |||||||||
| log(g) | [cgs] | 7.73 (0.05) | 8.03 (0.1) | 7.68 (0.05) | |||||||||
| Mass | [M☉] | 0.55 (0.02) | 0.7 (0.07) | 0.546 (0.02) | |||||||||
| log(Luminosity) | [L☉] | -0.05 (0.04) | |||||||||||
| Cooling age | [Gyr] | 0.0029 (0.0001) | |||||||||||
| 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] | 2.24 (0.1) | 2.09 (0.2) | 2.24 | 2.25 (0.1) | ||||||||
| Distance | [pc] | 445.44 (23) | 477.49 (48) | 331.00 | 445.44 | 445.43 (23) | |||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -41.36116927 (0.1) | -41.36047696 (0.3) | -41.361 (0.1) | |||||||||
| Proper motion (declination) | [mas/yr] | 2.597034362 (0.1) | 2.525116803 (0.3) | 2.597 (0.1) | |||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 16.70 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 17.10 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | |||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 16.59 (0.007) | 16.59 (0.007) | 16.62 | 16.63 (0.03) | |||||||||
| g magnitude | 16.96 (0.004) | 16.96 (0.004) | 16.99 | 16.97 (0.03) | |||||||||
| r magnitude | 17.49 (0.006) | 17.49 (0.006) | 17.48 (0.02) | ||||||||||
| i magnitude | 17.87 (0.008) | 17.86 (0.008) | 17.86 (0.02) | ||||||||||
| z magnitude | 18.14 (0.02) | 18.14 (0.02) | 18.14 (0.03) | ||||||||||
| G magnitude | 17.21 (0.01) | 17.24 | 17.21 | 17.21 (0.003) | |||||||||
| BP magnitude | 17.05 (0.01) | 16.99 | |||||||||||
| RP magnitude | 17.56 (0.01) | 17.52 | |||||||||||
| Pan g magnitude | 17.05 (0.008) | ||||||||||||
| Pan r magnitude | 17.50 (0.01) | ||||||||||||
| Pan i magnitude | 17.86 (0.006) | ||||||||||||
| Pan z magnitude | 18.14 (0.005) | ||||||||||||
| Pan y magnitude | 18.33 (0.01) | ||||||||||||
| E(B-V) | 0.020 | ||||||||||||
* 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.