All names: J1040+2407, J1040+2408, WD 1038+243, USNO-B1.0 1141-00179140, SDSS J104046.48+240759.5, SDSS J104046.49+240759.5, SDSS J104046.48+240759.4, Gaia EDR3 723361209490895744, LP 372-53, Gaia DR3 723361209490895744, NLTT 25029, LSPM J1040+2408E, Gaia DR2 723361209490895744, WDJ104046.52+240800.17
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin 2020 | Coutu et al. 2019 | Gaia DR2 | Hollands et al. 2017 | Stilism | Koester et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 40 46.41 (0.2) | 10 40 46.49 | 10 40 46.52 | 10 40 46.42 (0.3) | 10 40 46.41 | 10 40 46.52 (0.2) | 10 40 46.42 | 10 40 46.13 | ||||||||
| Declination | 24 07 57.93 (0.2) | 24 07 59.52 | 24 08 00.17 | 24 07 58.00 (0.2) | 24 07 57.93 | 24 08 00.17 (0.2) | 24 07 58.00 | 24 07 55.20 | ||||||||
| Spectral type | DZ | DZ | DZ | DZ | DZ | DZ | DZ | DZ | DZ | |||||||
| Effective temperature | [K] | 5940.0 (32) | 6023.0 (80) | 5899.0 (67) | 5750.0 (90) | 6200.0 | 5744.0 (124) | |||||||||
| log(g) | [cgs] | 8.15 (0.03) | 8.18 (0.04) | 8.12 | 8.00 (0) | 7.95 (0.05) | ||||||||||
| Mass | [M☉] | 0.667 (0.03) | 0.686 (0.03) | 0.6432 | 0.54 (0.04) | |||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 3.9200 | 3.6700 | 3.9000 | ||||||||||||
| log(H/He) | -4.0 | <-3.0 | ||||||||||||||
| log(C/He) | ||||||||||||||||
| log(Ca/He) | -8.42 | -8.1 (0.2) | -8.6298 (0.1) | -8.2 | -8.0 | |||||||||||
| log(Ca/H) | ||||||||||||||||
| log(N/He) | ||||||||||||||||
| log(O/He) | ||||||||||||||||
| log(Na/He) | -8.88 | -8.5 | ||||||||||||||
| log(Mg/He) | -6.8 (0.1) | -7.29 | -7.1 | |||||||||||||
| log(Al/He) | ||||||||||||||||
| log(Si/He) | ||||||||||||||||
| log(P/He) | ||||||||||||||||
| log(S/He) | ||||||||||||||||
| log(Cl/He) | ||||||||||||||||
| log(Sc/He) | ||||||||||||||||
| log(Ti/He) | -9.27 | |||||||||||||||
| log(V/He) | ||||||||||||||||
| log(Cr/He) | -9.35 | |||||||||||||||
| log(Mn/He) | ||||||||||||||||
| log(Fe/He) | -7.2 (0.2) | -7.59 | -7.2 | |||||||||||||
| log(Co/He) | ||||||||||||||||
| log(Ni/He) | ||||||||||||||||
| log(Cu/He) | ||||||||||||||||
| log(Zn/He) | ||||||||||||||||
| log(Ga/He) | ||||||||||||||||
| log(Ge/He) | ||||||||||||||||
| log(Sr/He) | ||||||||||||||||
| Parallax | [mas] | 10.35 (0.2) | 10.71 (0.3) | 10.71 | 10.71 (0.3) | 10.35 | 10.35 (0.2) | 10.71 (0.3) | ||||||||
| Distance | [pc] | 96.63 (2) | 93.37 (2) | 93.19 (2) | 93.33 (2) | 93.33 (2) | 91.00 (12) | 96.63 | 96.63 (2) | 93.33 (2) | ||||||
| Composition | He | He | He | He | He | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -89.48785774 (0.2) | -88.94846779 (0.6) | -89.488 (0.2) | -88.94846779 | |||||||||||
| Proper motion (declination) | [mas/yr] | -140.2430166 (0.2) | -140.26843 (0.4) | -140.243 (0.2) | -140.26843 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | 19.70 | |||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | 18.90 | |||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 18.61 (0.09) | |||||||||||||||
| H magnitude | ||||||||||||||||
| K magnitude | ||||||||||||||||
| u magnitude | 21.50 (0.1) | 21.58 (0.1) | 21.52 (0.1) | 21.52 (0.1) | 21.72 (0.1) | 21.50 (0.1) | 21.69 (0.2) | 21.71 | ||||||||
| g magnitude | 19.33 (0.01) | 19.33 (0.02) | 19.33 (0.02) | 19.34 (0.03) | 19.33 (0.01) | 19.34 (0.01) | 19.33 | |||||||||
| r magnitude | 18.82 (0.009) | 18.83 (0.01) | 18.83 (0.01) | 18.87 (0.02) | 18.82 (0.009) | 18.79 (0.01) | 18.86 | |||||||||
| i magnitude | 18.83 (0.01) | 18.83 (0.02) | 18.83 (0.02) | 18.87 (0.02) | 18.83 (0.01) | 18.82 (0.01) | 18.86 | |||||||||
| z magnitude | 18.99 (0.04) | 19.00 (0.04) | 19.00 (0.04) | 19.10 (0.06) | 18.99 (0.04) | 18.95 (0.05) | 19.09 | |||||||||
| G magnitude | 18.94 (0.03) | 18.96 | 18.94 | 18.94 (0.004) | 18.96 | |||||||||||
| BP magnitude | 19.25 (0.03) | 19.39 | 19.39 | |||||||||||||
| RP magnitude | 18.57 (0.03) | 18.57 | 18.57 | |||||||||||||
| Pan g magnitude | 19.22 (0.007) | 19.22 (0.008) | ||||||||||||||
| Pan r magnitude | 18.82 (0.009) | 18.82 (0.008) | ||||||||||||||
| Pan i magnitude | 18.86 (0.007) | 18.86 (0.008) | ||||||||||||||
| Pan z magnitude | 19.02 (0.01) | 19.02 (0.01) | ||||||||||||||
| Pan y magnitude | 19.00 (0.05) | 19.00 (0.05) | ||||||||||||||
| E(B-V) | 0.004 | |||||||||||||||
* 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.