All names: GEN# +9.80044032, NLTT 25087, SDSS J104153.81+141547.8, WD 1039+14, CSV 102651, UBV 9813, 2MASS J10415376+1415488, GALEX J104153.8+141547, LSPM J1041+1415, SDSS J104153.82+141547.9, [GKL99] 222, WIRED J104153.82+141547.8, EGGR 72, USNO-B1.0 1042-00188747, G 44-32, J1041+1415, G44-32, PSO J160.4746+14.2627, PM J10418+1415, CSI+14-10392, TIC 61312644, LTT 12854, 10418+1415, WDJ104153.78+141548.69, PLX 2502.01, Gaia EDR3 3884899559633556224, Gaia DR3 3884899559633556224, SDSS J104153.81+141547.9, WD 1039+145, USNO 432, V* CY Leo, Gaia DR2 3884899559633556224
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 41 53.97 (0.07) | 10 41 53.82 | 10 41 53.97 (0.1) | 10 41 53.97 (0.1) | 10 41 53.97 | 10 41 53.78 (0.07) | 10 41 53.97 | 10 41 53.57 | 10 41 53.82 | |||||||||||
| Declination | 14 15 44.78 (0.05) | 14 15 47.90 | 14 15 44.90 (0.06) | 14 15 44.90 (0.06) | 14 15 44.78 | 14 15 48.69 (0.05) | 14 15 44.90 | 14 15 53.28 | 14 15 47.90 | |||||||||||
| Spectral type | DC | DQ | DC | DQ | DC | DQ | DC | DC | DC | DC | DQ7 | DC | DC | |||||||
| Effective temperature | [K] | 7078.0 (47) | 7090.0 (75) | 7045.0 (25) | 7093.3 (52) | 7140.0 (205) | 7340.0 (98) | 7280.0 (200) | 4640.0 (160) | 6839.0 (69) | 10080.0 (2) | |||||||||
| log(g) | [cgs] | 8.06 (0.01) | 8.08 (0.03) | 8.04 (0.007) | 8.08 (0.02) | 8.14 (0.07) | 7.90 (0.3) | 7.93 (0.3) | 8.07 (0.1) | 8.03 (0.02) | 9.91 (0.1) | |||||||||
| Mass | [M☉] | 0.612 (0.01) | 0.621 (0.02) | 0.597 (0.006) | 0.663 (0.05) | 0.52 (0.1) | 0.53 (0.1) | 0.63 (0.07) | 0.589 (0.01) | |||||||||||
| log(Luminosity) | [L☉] | -3.33 | -3.36 (0.1) | -4.21 (0.06) | ||||||||||||||||
| Cooling age | [Gyr] | 1.6900 | 1.8920 (0.2) | 1.3200 (0.5) | 7.2900 (1) | |||||||||||||||
| log(H/He) | -3.4 | -3.4 | ||||||||||||||||||
| log(C/He) | ||||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||||
| log(N/He) | ||||||||||||||||||||
| log(O/He) | ||||||||||||||||||||
| log(Na/He) | ||||||||||||||||||||
| log(Mg/He) | ||||||||||||||||||||
| log(Al/He) | ||||||||||||||||||||
| log(Si/He) | ||||||||||||||||||||
| log(P/He) | ||||||||||||||||||||
| log(S/He) | ||||||||||||||||||||
| log(Cl/He) | ||||||||||||||||||||
| log(Sc/He) | ||||||||||||||||||||
| log(Ti/He) | ||||||||||||||||||||
| log(V/He) | ||||||||||||||||||||
| log(Cr/He) | ||||||||||||||||||||
| log(Mn/He) | ||||||||||||||||||||
| log(Fe/He) | ||||||||||||||||||||
| log(Co/He) | ||||||||||||||||||||
| log(Ni/He) | ||||||||||||||||||||
| log(Cu/He) | ||||||||||||||||||||
| log(Zn/He) | ||||||||||||||||||||
| log(Ga/He) | ||||||||||||||||||||
| log(Ge/He) | ||||||||||||||||||||
| log(Sr/He) | ||||||||||||||||||||
| Parallax | [mas] | 26.63 (0.07) | 26.63 (0.07) | 26.53 (0.09) | 26.53 (0.09) | 26.53 (0.09) | 26.53 (0.09) | 22.20 (4) | 22.20 (4) | 22.20 (4) | 26.63 | 26.63 (0.07) | 26.53 (0.09) | 22.00 (3) | ||||||
| Distance | [pc] | 37.55 (0.1) | 37.55 (0.1) | 37.69 (0.1) | 37.69 (0.1) | 37.69 (0.1) | 37.69 (0.1) | 45.00 (8) | 45.05 (7) | 45.05 (7) | 37.55 | 37.55 (0.1) | 37.69 (0.1) | 45.45 (6) | ||||||
| Composition | He | He | He | He | He | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 175.7685729 (0.08) | 175.4006169 (0.2) | 175.769 (0.08) | 175.401 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -244.4808122 (0.06) | -244.5418286 (0.1) | -244.481 (0.06) | -244.542 | |||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 16.79 | 16.79 | 16.84 | |||||||||||||||||
| V magnitude | 16.51 | 16.51 | ||||||||||||||||||
| R magnitude | 16.29 | 16.29 | 16.60 | |||||||||||||||||
| I magnitude | 16.10 | 16.10 | ||||||||||||||||||
| J magnitude | 15.94 (0.007) | 15.82 (0.07) | 15.93 | 15.93 | 15.82 (0.07) | |||||||||||||||
| H magnitude | 15.87 (0.02) | 15.75 (0.2) | 15.86 | 15.86 | 15.75 (0.2) | |||||||||||||||
| K magnitude | 15.81 (0.02) | 15.68 (0.2) | 15.78 | 15.78 | 15.68 (0.2) | |||||||||||||||
| u magnitude | 17.06 (0.007) | 17.05 (0.007) | 17.05 (0.007) | 17.05 (0.007) | 17.05 (0.02) | |||||||||||||||
| g magnitude | 16.59 (0.004) | 16.59 (0.006) | 16.59 (0.004) | 16.62 (0.03) | ||||||||||||||||
| r magnitude | 16.47 (0.005) | 16.47 (0.004) | 16.47 (0.005) | 16.47 (0.01) | ||||||||||||||||
| i magnitude | 16.47 (0.005) | 16.49 (0.005) | 16.47 (0.005) | 16.46 (0.01) | ||||||||||||||||
| z magnitude | 16.53 (0.008) | 16.57 (0.007) | 16.53 (0.008) | 16.52 (0.02) | ||||||||||||||||
| G magnitude | 16.44 (0.005) | 16.45 | 16.45 | 16.44 | 16.44 (0.003) | 16.45 | ||||||||||||||
| BP magnitude | 16.60 (0.005) | 16.59 | 16.59 | |||||||||||||||||
| RP magnitude | 16.16 (0.004) | 16.17 | 16.17 | |||||||||||||||||
| Pan g magnitude | 16.58 (0.005) | 16.58 (0.005) | 16.59 (0.006) | |||||||||||||||||
| Pan r magnitude | 16.47 (0.005) | 16.47 (0.004) | 16.48 (0.004) | |||||||||||||||||
| Pan i magnitude | 16.49 (0.003) | 16.49 (0.003) | 16.49 (0.005) | |||||||||||||||||
| Pan z magnitude | 16.56 (0.006) | 16.56 (0.005) | 16.57 (0.007) | |||||||||||||||||
| Pan y magnitude | 16.64 (0.006) | 16.64 (0.007) | 16.63 (0.01) | |||||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||||||
* 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.