All names: SDSS J125217.15+154443.1, 2RXP J125217.3+154436, Balloon 111819002, TIC 92127892, LAMOST J125217.15+154443.1, USNO-B1.0 1057-00224459, 1SWASP J125217.16+154444.2, GALEX J125217.2+154443, Gaia DR3 3931446491043126784, SDSS J125217.15+154443.2, LAMOST J125217.20+154443.4, Gaia EDR3 3931446491043126784, 2MASS J12521713+1544435, Gaia DR2 3931446491043126784, uvby98 610060150, BPM 88259, WD 1249+160, WIRED J125217.15+154443.1, GD 150, GEN# +6.10060150, PG 1249+160
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Guo et al. 2015 | Gianninas et al. 2011 | Tremblay et al. 2011 | Koester et al. 2009 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 52 17.22 (0.03) | 12 52 17.15 | 12 52 17.22 (0.05) | 12 52 17.22 | 12 52 17.15 (0.03) | 12 52 17.15 | 12 52 16.56 | 12 52 17.15 | |||||||||
| Declination | 15 44 41.98 (0.02) | 15 44 43.18 | 15 44 42.03 (0.03) | 15 44 41.98 | 15 44 43.47 (0.02) | 15 44 43.18 | 15 44 42.72 | 15 44 43.18 | |||||||||
| Spectral type | DA | DA | DA | DA | DA1.9 | DA_auto | DA | DA | DA | ||||||||
| Effective temperature | [K] | 26390.0 (413) | 26990.0 (80) | 25792.0 (40) | 25590.0 (400) | 25475.0 (214) | 27214.0 (147) | 26737.0 (128) | |||||||||
| log(g) | [cgs] | 7.34 (0.05) | 7.29 (0.01) | 7.21 (0.006) | 7.29 (0.05) | 7.27 (0.009) | 7.28 (0.02) | 7.29 (0.02) | |||||||||
| Mass | [M☉] | 0.41 (0.01) | 0.4 (0) | 0.39 (0.01) | 0.349 (0.003) | 0.41 (0.005) | |||||||||||
| log(Luminosity) | [L☉] | -0.67 | |||||||||||||||
| Cooling age | [Gyr] | 0.0162 | 0.0174 | ||||||||||||||
| 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] | 8.14 (0.04) | 8.05 (0.06) | 8.14 | 8.14 (0.04) | ||||||||||||
| Distance | [pc] | 122.90 (0.6) | 124.18 (0.9) | 125.00 | 130.00 | 122.90 | 122.90 (0.6) | ||||||||||
| Composition | H | H | |||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 65.19396643 (0.05) | 65.28933123 (0.1) | 65.194 (0.05) | |||||||||||||
| Proper motion (declination) | [mas/yr] | -92.74193339 (0.04) | -92.96914576 (0.08) | -92.742 (0.04) | |||||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 14.36 | ||||||||||||||||
| V magnitude | 14.63 | 14.62 | 14.63 | ||||||||||||||
| R magnitude | 14.90 | ||||||||||||||||
| I magnitude | |||||||||||||||||
| J magnitude | 15.19 (0.004) | ||||||||||||||||
| H magnitude | 15.30 (0.009) | ||||||||||||||||
| K magnitude | 15.45 (0.02) | ||||||||||||||||
| u magnitude | 14.33 (0.003) | 14.33 (0.003) | 14.34 (0.03) | 14.34 | 14.39 (0.03) | ||||||||||||
| g magnitude | 14.38 (0.003) | 14.38 (0.003) | 14.40 (0.03) | 14.40 | 14.42 (0.03) | ||||||||||||
| r magnitude | 14.83 (0.003) | 14.83 (0.003) | 14.80 (0.02) | 14.80 | 14.82 (0.02) | ||||||||||||
| i magnitude | 15.16 (0.004) | 15.16 (0.004) | 15.19 (0.02) | 15.19 | 15.18 (0.02) | ||||||||||||
| z magnitude | 15.48 (0.006) | 15.48 (0.006) | 15.51 (0.03) | 15.51 | 15.50 (0.03) | ||||||||||||
| G magnitude | 14.61 (0.001) | 14.62 | 14.61 | 14.61 (0.003) | |||||||||||||
| BP magnitude | 14.49 (0.001) | 14.44 | |||||||||||||||
| RP magnitude | 14.86 (0.001) | 14.86 | |||||||||||||||
| Pan g magnitude | 14.46 (0.005) | ||||||||||||||||
| Pan r magnitude | 14.84 (0.007) | ||||||||||||||||
| Pan i magnitude | 15.18 (0.004) | ||||||||||||||||
| Pan z magnitude | 15.44 (0.005) | ||||||||||||||||
| Pan y magnitude | 15.64 (0.005) | ||||||||||||||||
| E(B-V) | 0.009 | ||||||||||||||||
* 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.