All names: Gaia EDR3 1531097433767946240, WD 1252+471, WDJ125508.46+465518.88, SDSS J125508.12+465518.5, SDSS J125508.13+465518.4, GSC2U J125509.6+465520, J1255+4655, Gaia DR3 1531097433767946240, 1252+471, Gaia DR2 1531097433767946240
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Leggett et al. 2018 | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 55 06.76 (0.07) | 12 55 06.81 (0.09) | 12 55 06.81 (0.09) | 12 55 06.76 | 12 55 08.46 (0.07) | 12 55 06.81 | 12 55 08.02 | ||||||||
| Declination | 46 55 17.06 (0.09) | 46 55 17.12 (0.1) | 46 55 17.12 (0.1) | 46 55 17.06 | 46 55 18.87 (0.09) | 46 55 17.12 | 46 55 15.60 | ||||||||
| Spectral type | DC | DC | DC | DC | DC10.6 | DC | DC: | DC | DC | ||||||
| Effective temperature | [K] | 4782.0 (40) | 4716.0 (95) | 4697.0 (28) | 4810.0 (81) | 4707.0 (68) | 4600.0 (66) | 4783.0 (47) | |||||||
| log(g) | [cgs] | 8.31 (0.02) | 8.27 (0.07) | 8.26 (0.01) | 8.36 (0.06) | 8.27 (0.04) | 8.00 (0) | 8.30 (0.02) | |||||||
| Mass | [M☉] | 0.783 (0.01) | 0.754 (0.05) | 0.748 (0.01) | 0.748 (0.03) | 0.58 (0.1) | 0.778 (0.02) | ||||||||
| log(Luminosity) | [L☉] | -4.19 | |||||||||||||
| Cooling age | [Gyr] | 9.7500 | 8.2080 (0.2) | ||||||||||||
| 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] | 26.84 (0.1) | 26.84 (0.1) | 26.95 (0.2) | 26.95 (0.2) | 26.92 (0.5) | 26.95 (0.2) | 26.84 | 26.84 (0.1) | 26.95 (0.2) | |||||
| Distance | [pc] | 37.26 (0.2) | 37.26 (0.2) | 37.11 (0.2) | 37.10 (0.2) | 37.15 (0.7) | 37.10 (0.2) | 44.50 (7) | 37.26 | 37.26 (0.2) | 37.10 (0.2) | ||||
| Composition | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -1092.155481 (0.09) | -1092.275389 (0.2) | -1092.155 (0.09) | -1092.275389 | ||||||||||
| Proper motion (declination) | [mas/yr] | -113.1270249 (0.1) | -113.1908261 (0.2) | -113.127 (0.1) | -113.1908261 | ||||||||||
| Variability | |||||||||||||||
| Magnetic | |||||||||||||||
| Bd | [MG] | ||||||||||||||
| Infrared excess (disk) | |||||||||||||||
| Binarity | |||||||||||||||
| B magnitude | 19.29 | ||||||||||||||
| V magnitude | 18.75 | ||||||||||||||
| R magnitude | |||||||||||||||
| I magnitude | |||||||||||||||
| J magnitude | 16.87 (0.05) | 16.87 (0.05) | |||||||||||||
| H magnitude | 16.78 (0.06) | 16.78 (0.06) | |||||||||||||
| K magnitude | 16.68 (0.06) | 16.68 (0.06) | |||||||||||||
| u magnitude | 21.06 (0.03) | 20.87 (0.08) | 20.87 (0.08) | 21.05 | |||||||||||
| g magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.17 | ||||||||||||
| r magnitude | 18.36 (0.008) | 18.36 (0.008) | 18.38 | ||||||||||||
| i magnitude | 18.07 (0.009) | 18.07 (0.009) | 18.05 | ||||||||||||
| z magnitude | 17.91 (0.02) | 17.91 (0.02) | 17.92 | ||||||||||||
| G magnitude | 18.40 (0.02) | 18.42 | 18.42 | 18.40 | 18.40 (0.003) | 18.42 | |||||||||
| BP magnitude | 18.91 (0.02) | 18.88 | 18.88 | ||||||||||||
| RP magnitude | 17.69 (0.01) | 17.71 | 17.71 | ||||||||||||
| Pan g magnitude | 19.11 (0.03) | 19.07 (0.02) | |||||||||||||
| Pan r magnitude | 18.35 (0.02) | 18.33 (0.02) | |||||||||||||
| Pan i magnitude | 18.06 (0.007) | 18.04 (0.01) | |||||||||||||
| Pan z magnitude | 17.95 (0.01) | 17.92 (0.01) | |||||||||||||
| Pan y magnitude | 17.89 (0.006) | 17.87 (0.02) | |||||||||||||
| 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.