All names: WD 0810+489, G111-64, WDJ081411.17+484529.81, PM J08141+4845, Gaia EDR3 931573222477949696, SDSS J081411.16+484529.7, SDSS J081411.16+484529.6, TIC 252999101, LSPM J0814+4845, J0814+4845, Gaia DR3 931573222477949696, CNS5 2048, Gaia DR2 931573222477949696, 08141+4845, 2MASS J08141116+4845301, NLTT 19138, USNO-B1.0 1387-00193030, G 111-64, GALEX J081411.1+484529, PSO J123.5469+48.7572
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Holberg et al. 2016 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 14 11.27 (0.02) | 08 14 11.27 (0.03) | 08 14 11.27 (0.03) | 08 14 11.17 | 08 14 11.04 | 08 14 11.27 | 08 14 11.17 (0.02) | 08 14 11.27 | 08 14 10.75 | |||||||||||
| Declination | 48 45 25.75 (0.01) | 48 45 25.88 (0.02) | 48 45 25.88 (0.02) | 48 45 02.08 | 48 45 28.80 | 48 45 25.75 | 48 45 29.81 (0.01) | 48 45 25.88 | 48 45 23.04 | |||||||||||
| Spectral type | DC | DC | DC | DC | DC | DC | DC | DC | DC6.9 | DC | DC | DC | DC | DC6.9 | ||||||
| Effective temperature | [K] | 6378.0 (20) | 6709.0 (42) | 6381.0 (11) | 6692.6 (26) | 6515.0 (120) | 6440.0 (170) | 6663.0 (141) | 6640.0 (142) | 7300.0 | 6662.0 (141) | 7300.0 (100) | 6208.0 (23) | |||||||
| log(g) | [cgs] | 7.95 (0.005) | 8.12 (0.02) | 7.94 (0.003) | 8.12 (0.01) | 8.06 (0.04) | 8.05 (0.04) | 7.96 (0) | 8.00 (0) | (0) | 8.00 | 7.95 (0.006) | ||||||||
| Mass | [M☉] | 0.542 (0.005) | 0.647 (0.01) | 0.538 (0.003) | 0.609 (0.03) | 0.6 (0.04) | 0.57 (0) | 0.57 (0.1) | 0.57 (0) | 0.57 | 0.543 (0.005) | |||||||||
| log(Luminosity) | [L☉] | -3.64 (0.05) | -3.56 | -3.55 | ||||||||||||||||
| Cooling age | [Gyr] | 1.9000 | 2.0830 (0.2) | 2.0900 (0.3) | 1.8700 | 1.8700 | ||||||||||||||
| log(H/He) | -3.2 | -3.2 | ||||||||||||||||||
| 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] | 58.46 (0.03) | 58.46 (0.03) | 58.48 (0.04) | 58.48 (0.04) | 58.48 (0.04) | 58.48 (0.04) | 59.00 (0.3) | 58.46 | 58.46 (0.03) | 58.48 (0.04) | |||||||||
| Distance | [pc] | 17.10 (0.008) | 17.11 (0.009) | 17.10 (0.01) | 17.10 (0.01) | 17.10 (0.01) | 17.10 (0.01) | 16.95 (0.09) | 18.30 (0.2) | 18.00 (3) | 17.00 | 18.30 (0.6) | 23.00 | 17.10 | 17.10 (0.008) | 17.10 (0.01) | ||||
| Composition | He | He | He | He | He | He | He | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 66.74307021 (0.03) | 66.77804068 (0.06) | 66.743 (0.03) | 66.77804068 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -253.6749108 (0.02) | -253.6784001 (0.04) | -253.675 (0.02) | -253.6784001 | |||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 51.45 | 15.40 | ||||||||||||||||||
| V magnitude | 15.07 | 15.74 | ||||||||||||||||||
| R magnitude | 14.81 | 14.70 | ||||||||||||||||||
| I magnitude | 14.56 | |||||||||||||||||||
| J magnitude | 14.31 (0.004) | 14.32 (0.03) | 14.32 (0.03) | 14.32 | 14.32 (0.03) | |||||||||||||||
| H magnitude | 14.13 (0.04) | 14.13 (0.04) | 14.13 (0.04) | 14.13 | 14.13 (0.04) | |||||||||||||||
| K magnitude | 14.06 (0.06) | 14.06 (0.06) | 14.06 (0.06) | 14.06 | 14.06 (0.06) | |||||||||||||||
| u magnitude | 15.76 (0.004) | 15.77 (0.005) | 15.75 (0.004) | 0.56 | ||||||||||||||||
| g magnitude | 15.18 | 15.16 (0.003) | 15.16 (0.003) | |||||||||||||||||
| r magnitude | 14.94 | 14.97 (0.006) | 14.95 (0.003) | |||||||||||||||||
| i magnitude | 14.92 | 14.94 (0.002) | 14.90 (0.003) | |||||||||||||||||
| z magnitude | 14.97 | 14.98 (0.002) | 14.96 (0.005) | |||||||||||||||||
| G magnitude | 14.94 (0.001) | 14.96 | 14.96 | 14.94 | 14.94 (0.003) | 14.96 | ||||||||||||||
| BP magnitude | 15.15 (0.001) | 15.15 | 15.15 | |||||||||||||||||
| RP magnitude | 14.59 (0.001) | 14.60 | 14.60 | |||||||||||||||||
| Pan g magnitude | 15.16 (0.003) | 15.16 (0.003) | 15.16 (0.003) | |||||||||||||||||
| Pan r magnitude | 14.97 (0.006) | 14.97 (0.006) | 14.97 (0.006) | |||||||||||||||||
| Pan i magnitude | 14.94 (0.002) | 14.94 (0.002) | 14.94 (0.002) | |||||||||||||||||
| Pan z magnitude | 14.98 (0.002) | 14.98 (0.002) | 14.98 (0.002) | |||||||||||||||||
| Pan y magnitude | 15.01 (0.007) | 15.01 (0.007) | 15.01 (0.007) | |||||||||||||||||
| 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.