All names: LSPM J1206+0823, PSO J181.6491+08.3862, WD 1204+086, Gaia DR2 3904993787466857472, WDJ120635.97+082309.40, GALEX J120635.8+082310, SDSS J120635.92+082309.7, TIC 397484177, 2MASS J12063596+0823090, LP 494-35, SDSS J120635.91+082309.7, SDSS J120635.95+082309.5, NLTT 29625, USNO-B1.0 0983-00240652, Gaia EDR3 3904993787466857472, J1206+0823, Gaia DR3 3904993787466857472
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 06 35.74 (0.06) | 12 06 35.92 | 12 06 35.75 (0.08) | 12 06 35.74 | 12 06 35.97 (0.06) | 12 06 35.75 | 12 06 35.92 | 12 06 35.52 | 12 06 35.92 | |||||||||
| Declination | 08 23 10.98 (0.05) | 08 23 09.70 | 08 23 10.93 (0.04) | 08 23 10.98 | 08 23 09.41 (0.05) | 08 23 10.93 | 08 23 09.70 | 08 23 06.00 | 08 23 09.70 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||||
| Effective temperature | [K] | 8161.0 (52) | 8075.0 (95) | 8129.0 | 7856.0 | 8130.0 (30) | 8114.0 (81) | 8422.0 (23) | 8038.0 (26) | |||||||||
| log(g) | [cgs] | 8.03 (0.01) | 8.01 (0.03) | 8.02 | 7.92 | 8.14 (0.05) | 8.03 (0.02) | 8.43 (0.04) | 7.99 (0.04) | |||||||||
| Mass | [M☉] | 0.611 (0.01) | 0.603 (0.02) | 0.607 | 0.531 | 0.68 (0.03) | 0.611 (0.01) | 0.59 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||||||||
| Cooling age | [Gyr] | 1.1000 | 1.0700 (0.06) | 1.0600 | 1.0570 | 1.2882 | ||||||||||||
| log(H/He) | ||||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | ||||||||||||||||||
| log(Li/H) | ||||||||||||||||||
| log(Be/H) | ||||||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||||||
| log(K/H) | ||||||||||||||||||
| log(Sc/H) | ||||||||||||||||||
| log(Ti/H) | ||||||||||||||||||
| log(V/H) | ||||||||||||||||||
| log(Cr/H) | ||||||||||||||||||
| log(Mn/H) | ||||||||||||||||||
| log(Fe/H) | ||||||||||||||||||
| log(Co/H) | ||||||||||||||||||
| log(Ni/H) | ||||||||||||||||||
| log(Cu/H) | ||||||||||||||||||
| log(Sr/H) | ||||||||||||||||||
| Parallax | [mas] | 16.05 (0.07) | 16.04 (0.09) | 16.04 (0.09) | 16.04 (0.09) | 16.05 | 16.05 (0.07) | 16.04 (0.09) | ||||||||||
| Distance | [pc] | 62.32 (0.3) | 62.34 (0.3) | 62.33 (0.3) | 62.33 (0.3) | 62.32 | 62.32 (0.3) | 62.33 (0.3) | ||||||||||
| Composition | H | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | -212.1321933 (0.08) | -211.9149719 (0.2) | -212.132 (0.08) | -211.915 | -207.8 | ||||||||||||
| Proper motion (declination) | [mas/yr] | 98.67708939 (0.06) | 98.76780835 (0.09) | 98.677 (0.06) | 98.768 | 99.0 | ||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | ||||||||||||||||||
| Bd | [MG] | |||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 17.10 | |||||||||||||||||
| V magnitude | ||||||||||||||||||
| R magnitude | 16.80 | |||||||||||||||||
| I magnitude | ||||||||||||||||||
| J magnitude | 16.49 (0.02) | 16.59 (0.2) | 16.49 (0.02) | |||||||||||||||
| H magnitude | 16.32 (0.02) | 15.88 (0.2) | 16.32 (0.02) | |||||||||||||||
| K magnitude | 16.37 (0.03) | 16.37 (0.03) | ||||||||||||||||
| u magnitude | 17.42 (0.01) | 17.41 (0.01) | 17.42 (0.01) | 17.36 (0.01) | 17.41 (0.03) | 17.40 | 17.44 (0.03) | |||||||||||
| g magnitude | 16.99 (0.004) | 16.99 (0.009) | 17.01 (0.005) | 17.00 (0.02) | 16.99 | 17.01 (0.02) | ||||||||||||
| r magnitude | 16.94 (0.005) | 16.94 (0.005) | 16.93 (0.005) | 16.96 (0.01) | 16.95 | 16.96 (0.02) | ||||||||||||
| i magnitude | 16.97 (0.005) | 16.99 (0.004) | 16.94 (0.006) | 16.99 (0.01) | 16.98 | 16.98 (0.02) | ||||||||||||
| z magnitude | 17.07 (0.01) | 17.07 (0.007) | 17.06 (0.01) | 17.04 (0.02) | 17.03 | 17.06 (0.02) | ||||||||||||
| G magnitude | 16.89 (0.005) | 16.91 | 16.89 | 16.89 (0.003) | 16.91 | |||||||||||||
| BP magnitude | 17.01 (0.005) | 17.00 | 17.00 | |||||||||||||||
| RP magnitude | 16.68 (0.005) | 16.66 | 16.66 | |||||||||||||||
| Pan g magnitude | 16.99 (0.01) | 16.99 (0.009) | 16.99 (0.009) | |||||||||||||||
| Pan r magnitude | 16.94 (0.005) | 16.94 (0.005) | 16.95 (0.005) | |||||||||||||||
| Pan i magnitude | 16.99 (0.004) | 16.99 (0.004) | 16.99 (0.004) | |||||||||||||||
| Pan z magnitude | 17.07 (0.006) | 17.07 (0.007) | 17.07 (0.007) | |||||||||||||||
| Pan y magnitude | 17.15 (0.01) | 17.15 (0.01) | 17.15 (0.01) | |||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||||
* 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.