All names: Gaia DR2 297470774951165568, G 72-40, NLTT 6275, TIC 28243880, PSO J028.2173+25.8948, USNO-B1.0 1158-00022512, J0152+2553, LSPM J0152+2553, G94-21, 2MASS J01525190+2553406, LAMOST J015252.10+255341.1, Gaia DR3 297470774951165568, 01528+2553, G 94-21, WD 0150+256, SDSS J015252.08+255341.0, Gaia EDR3 297470774951165568, UCAC2 40800086, GALEX J015252.0+255341, PM J01528+2553, WDJ015251.94+255340.65
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | Stilism | Limoges et al. 2015 | Subasavage et al. 2007 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 52 52.19 (0.04) | 01 52 52.19 (0.05) | 01 52 52.19 (0.05) | 01 52 51.94 | 01 52 51.93 | 01 52 52.19 | 01 52 51.94 (0.04) | 01 52 52.19 | 01 52 51.84 | |||||||||||
| Declination | 25 53 41.36 (0.03) | 25 53 41.34 (0.05) | 25 53 41.34 (0.05) | 25 53 04.07 | 25 53 40.70 | 25 53 41.36 | 25 53 40.65 (0.03) | 25 53 41.34 | 25 53 39.84 | |||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA6.5 | DA | DA | DA6.5 | DA6.7 | ||||||
| Effective temperature | [K] | 7599.0 (20) | 7727.0 (75) | 7748.0 (18) | 7599.0 (19) | 7590.9 (55) | 7490.0 (65) | 7677.0 (153) | 7720.0 (280) | 7530.0 (124) | 7880.0 (280) | 7530.0 (70) | 7611.0 (49) | |||||||
| log(g) | [cgs] | 7.85 (0.006) | 7.88 (0.03) | 7.90 (0.006) | 7.85 (0.006) | 7.85 (0.02) | 7.83 (0.02) | 7.94 (0.1) | 7.93 (0.09) | 7.98 (0.1) | 8.18 (0.1) | 7.86 (0.01) | ||||||||
| Mass | [M☉] | 0.509 (0.004) | 0.527 (0.01) | 0.538 (0.004) | 0.509 (0.004) | 0.496 (0.01) | 0.57 (0.2) | 0.55 (0.08) | 0.58 (0.07) | 0.7 (0.07) | 0.513 (0.009) | |||||||||
| log(Luminosity) | [L☉] | -3.25 (0.09) | -3.32 | |||||||||||||||||
| Cooling age | [Gyr] | 1.0600 | 1.0050 (0.03) | 1.0700 (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] | 28.69 (0.04) | 28.69 (0.04) | 28.70 (0.06) | 28.70 (0.06) | 28.70 (0.06) | 28.70 (0.06) | 29.42 (2) | 28.69 | 28.69 (0.04) | 28.70 (0.06) | |||||||||
| Distance | [pc] | 34.86 (0.05) | 34.86 (0.05) | 34.84 (0.07) | 34.84 (0.07) | 34.84 (0.07) | 34.84 (0.07) | 34.00 (2) | 33.99 (2) | 30.40 (1) | 33.00 | 28.00 | 34.86 | 34.86 (0.05) | 34.84 (0.07) | |||||
| Composition | H | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 212.6227688 (0.05) | 212.7211898 (0.1) | 212.623 (0.05) | 212.7211898 | |||||||||||||||
| Proper motion (declination) | [mas/yr] | 44.22978566 (0.05) | 44.18597656 (0.1) | 44.23 (0.05) | 44.18597656 | |||||||||||||||
| Variability | ||||||||||||||||||||
| Magnetic | ||||||||||||||||||||
| Bd | [MG] | |||||||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||||
| Binarity | ||||||||||||||||||||
| B magnitude | 16.10 | |||||||||||||||||||
| V magnitude | 15.71 | |||||||||||||||||||
| R magnitude | 15.52 | 15.50 | ||||||||||||||||||
| I magnitude | 15.32 | |||||||||||||||||||
| J magnitude | 15.15 (0.008) | 15.07 (0.04) | 15.07 (0.04) | 15.07 (0.04) | 15.07 (0.04) | |||||||||||||||
| H magnitude | 15.07 (0.09) | 15.07 (0.09) | 15.07 (0.09) | 15.07 (0.09) | 15.07 (0.09) | |||||||||||||||
| K magnitude | 15.15 (0.1) | 15.15 (0.1) | 15.15 (0.1) | 15.15 (0.1) | 15.15 (0.1) | |||||||||||||||
| u magnitude | 16.23 (0.006) | 16.23 (0.006) | 16.23 (0.006) | |||||||||||||||||
| g magnitude | 15.79 (0.001) | 15.76 (0.003) | ||||||||||||||||||
| r magnitude | 15.68 (0.004) | 15.66 (0.003) | ||||||||||||||||||
| i magnitude | 15.68 (0.003) | 15.66 (0.004) | ||||||||||||||||||
| z magnitude | 15.76 (0.004) | 15.75 (0.007) | ||||||||||||||||||
| G magnitude | 15.63 (0.003) | 15.65 | 15.65 | 15.63 | 15.63 (0.003) | 15.65 | ||||||||||||||
| BP magnitude | 15.78 (0.003) | 15.78 | 15.78 | |||||||||||||||||
| RP magnitude | 15.37 (0.003) | 15.37 | 15.37 | |||||||||||||||||
| Pan g magnitude | 15.79 (0.001) | 15.79 (0.001) | 15.79 (0.001) | |||||||||||||||||
| Pan r magnitude | 15.68 (0.004) | 15.68 (0.004) | 15.68 (0.004) | |||||||||||||||||
| Pan i magnitude | 15.68 (0.004) | 15.68 (0.003) | 15.68 (0.003) | |||||||||||||||||
| Pan z magnitude | 15.76 (0.005) | 15.76 (0.004) | 15.76 (0.004) | |||||||||||||||||
| Pan y magnitude | 15.81 (0.004) | 15.81 (0.004) | 15.81 (0.004) | |||||||||||||||||
| E(B-V) | 0.001 | |||||||||||||||||||
* 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.