All names: WDJ025304.77+001345.19, KUV 02505+0002, [HH86] 0250+000A, Gaia DR2 2498159515741377152, LSPM J0253+0013, WIRED J025304.77+001344.7, PSO J043.2701+00.2283, [CR2000b] 14423, HBQS 0250+0001, WD 0250+000, USNO-B1.0 0902-00029637, [LCB92] 0250+0001, SDSS J025304.77+001344.7, NLTT 9216, Gaia EDR3 2498159515741377152, SDSS J025304.77+001344.8, J0253+0013, Gaia DR3 2498159515741377152, GALEX J025304.7+001344, SDSS J025304.78+001344.7, US 3273, LP 591-101, TIC 328226384, PB 6916, 2MASS J02530475+0013451, SDSS J025304.78+001344.4
| 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 | 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 | 02 53 04.83 (0.08) | 02 53 04.77 | 02 53 04.83 (0.1) | 02 53 04.77 (0.08) | 02 53 04.83 | 02 53 04.78 | 02 53 03.84 | 02 53 04.78 | |||||||||
| Declination | 00 13 42.00 (0.07) | 00 13 44.89 | 00 13 42.10 (0.1) | 00 13 45.19 (0.07) | 00 13 42.10 | 00 13 44.84 | 00 13 43.68 | 00 13 44.74 | |||||||||
| Spectral type | DA | DA | DA | DA | DA_auto | DA | DA | DA | |||||||||
| Effective temperature | [K] | 7906.0 (47) | 7685.0 (85) | 7702.0 | 7428.0 | 7830.0 (50) | 8094.0 (32) | 7683.0 (33) | |||||||||
| log(g) | [cgs] | 8.04 (0.02) | 7.99 (0.03) | 7.98 | 7.87 | 8.21 (0.08) | 8.44 (0.06) | 7.91 (0.06) | |||||||||
| Mass | [M☉] | 0.622 (0.01) | 0.585 (0.02) | 0.581 | 0.502 | 0.72 (0.05) | 0.547 (0.03) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||||||
| Cooling age | [Gyr] | 1.2200 | 1.1710 (0.06) | 1.1530 | 1.1400 | 1.6218 | |||||||||||
| 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] | 14.63 (0.09) | 14.68 (0.2) | 14.68 (0.2) | 14.68 (0.2) | 14.63 (0.09) | 14.68 (0.2) | ||||||||||
| Distance | [pc] | 68.37 (0.4) | 68.12 (0.7) | 68.11 (0.8) | 68.11 (0.8) | 68.37 (0.4) | 68.11 (0.8) | ||||||||||
| Composition | H | H | H | ||||||||||||||
| Proper motion (right ascension) | [mas/yr] | 53.69140858 (0.1) | 53.44739263 (0.2) | 53.691 (0.1) | 53.44739263 | 52.8 | |||||||||||
| Proper motion (declination) | [mas/yr] | -199.8523103 (0.09) | -199.7538104 (0.2) | -199.852 (0.09) | -199.7538104 | -199.7 | |||||||||||
| Variability | |||||||||||||||||
| Magnetic | |||||||||||||||||
| Bd | [MG] | ||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||
| Binarity | |||||||||||||||||
| B magnitude | 17.71 | ||||||||||||||||
| V magnitude | 17.36 | ||||||||||||||||
| R magnitude | 17.30 | ||||||||||||||||
| I magnitude | 17.04 | ||||||||||||||||
| J magnitude | 16.79 (0.02) | 17.04 (0.1) | 17.04 (0.1) | ||||||||||||||
| H magnitude | 16.65 (0.03) | 16.72 (0.2) | 16.65 (0.03) | ||||||||||||||
| K magnitude | 16.53 (0.06) | 16.53 (0.06) | |||||||||||||||
| u magnitude | 17.77 (0.01) | 17.79 (0.01) | 17.77 (0.01) | 17.79 (0.01) | 17.79 (0.02) | 17.79 | 17.80 (0.02) | ||||||||||
| g magnitude | 17.34 (0.005) | 17.34 (0.006) | 17.32 (0.005) | 17.34 (0.03) | 17.34 | 17.35 (0.03) | |||||||||||
| r magnitude | 17.23 (0.006) | 17.28 (0.005) | 17.26 (0.006) | 17.21 (0.02) | 17.21 | 17.20 (0.02) | |||||||||||
| i magnitude | 17.26 (0.006) | 17.27 (0.002) | 17.34 (0.007) | 17.24 (0.02) | 17.24 | 17.23 (0.02) | |||||||||||
| z magnitude | 17.34 (0.01) | 17.35 (0.01) | 17.34 (0.01) | 17.37 (0.02) | 17.37 | 17.36 (0.02) | |||||||||||
| G magnitude | 17.21 (0.009) | 17.23 | 17.21 (0.003) | 17.23 | |||||||||||||
| BP magnitude | 17.36 (0.009) | 17.38 | 17.38 | ||||||||||||||
| RP magnitude | 16.98 (0.009) | 16.97 | 16.97 | ||||||||||||||
| Pan g magnitude | 17.34 (0.006) | 17.34 (0.006) | 17.34 (0.006) | ||||||||||||||
| Pan r magnitude | 17.28 (0.005) | 17.28 (0.005) | 17.28 (0.005) | ||||||||||||||
| Pan i magnitude | 17.27 (0.002) | 17.27 (0.002) | 17.27 (0.002) | ||||||||||||||
| Pan z magnitude | 17.35 (0.01) | 17.35 (0.01) | 17.35 (0.01) | ||||||||||||||
| Pan y magnitude | 17.41 (0.01) | 17.41 (0.01) | 17.41 (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.