All names: Gaia DR2 3705361680324471424, GALEX J124959.8+035726, [HHD2009] SDSS J1249+0357, 2MASS J12495974+0357265, SDSS J124959.75+035726.6, SDSS J124959.76+035726.5, G 60-388, LAMOST J124959.80+035726.9, TIC 380727709, UCAC4 470-047309, PG 1247+042, LAMOST J124959.75+035726.6, Gaia EDR3 3705361680324471424, PB 4265, SDSS J124959.76+035726.6, WD 1247+042, Gaia DR3 3705361680324471424
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 49 59.77 (0.05) | 12 49 59.76 | 12 49 59.77 (0.08) | 12 49 59.76 | 12 49 59.75 (0.05) | 12 49 59.76 | 12 49 59.76 | |||||
| Declination | 03 57 26.55 (0.03) | 03 57 26.52 | 03 57 26.56 (0.07) | 03 57 26.60 | 03 57 26.61 (0.03) | 03 57 22.32 | 03 57 26.61 | |||||
| Spectral type | DAO+M | DA+M | DA+M | DAe+M | DA.78 | DAEM | ||||||
| Effective temperature | [K] | 53842.0 (8265) | 10082.0 (6) | |||||||||
| log(g) | [cgs] | 7.28 (0.6) | 9.86 (0.2) | |||||||||
| Mass | [M☉] | 0.42 (0.2) | ||||||||||
| log(Luminosity) | [L☉] | 0.66 (0.5) | ||||||||||
| Cooling age | [Gyr] | 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] | 2.40 (0.06) | 2.45 (0.1) | 2.40 (0.06) | ||||||||
| Distance | [pc] | 416.19 (11) | 408.79 (16) | 206.00 (62) | 416.18 (11) | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 13.60222364 (0.07) | 13.64389904 (0.2) | 13.602 (0.07) | ||||||||
| Proper motion (declination) | [mas/yr] | -3.617453345 (0.07) | -3.669596947 (0.1) | -3.617 (0.07) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | yes | ||||||||||
| B magnitude | 16.84 (0.07) | |||||||||||
| V magnitude | 16.69 (0.01) | |||||||||||
| R magnitude | 16.46 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.76 (0.004) | |||||||||||
| H magnitude | 14.18 (0.004) | |||||||||||
| K magnitude | 13.96 (0.005) | |||||||||||
| u magnitude | 16.27 (0.006) | 16.29 | 16.27 (0.005) | 16.29 | 16.29 (0.01) | |||||||
| g magnitude | 16.53 (0.004) | 16.61 | 16.58 (0.004) | 16.61 | 16.61 (0.02) | |||||||
| r magnitude | 16.62 (0.004) | 16.66 | 16.67 (0.004) | 16.66 | 16.67 (0.01) | |||||||
| i magnitude | 16.24 (0.004) | 16.31 | 16.30 (0.004) | 16.31 | 16.30 (0.02) | |||||||
| z magnitude | 15.96 (0.007) | 16.00 | 15.98 (0.006) | 16.00 | 15.99 (0.02) | |||||||
| G magnitude | 16.36 (0.005) | 16.37 | 16.36 (0.003) | |||||||||
| BP magnitude | 16.55 (0.005) | 16.54 | ||||||||||
| RP magnitude | 15.87 (0.004) | 15.87 | ||||||||||
| Pan g magnitude | 16.61 (0.002) | |||||||||||
| Pan r magnitude | 16.62 (0.004) | |||||||||||
| Pan i magnitude | 16.28 (0.002) | |||||||||||
| Pan z magnitude | 16.02 (0.01) | |||||||||||
| Pan y magnitude | 15.87 (0.004) | |||||||||||
| E(B-V) | 0.021 | |||||||||||
* 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.