All names: USNO-B1.0 1534-00187628, EGGR 350, USNO 608, WDJ102309.06+632741.49, SDSS J102309.06+632741.6, LP 62-147, GJ 1133, G 235-67, PSO J155.7899+63.4622, WISEA J102309.51+632743.7, PLX 2428.01, NLTT 24154, GALEX J102309.2+632742, LSPM J1023+6327, 10231+6327, G235-67, WD 1019+637, J1023+6327, Gaia EDR3 1052520154368111872, CNS5 2543, TIC 287286376, Gaia DR3 1052520154368111872, WD 1019+63, 2MASS J10230906+6327415, PM J10231+6327, Gaia DR2 1052520154368111872
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Holberg et al. 2016 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Gianninas et al. 2011 | Holberg et al. 2008 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 23 09.78 (0.01) | 10 23 09.76 (0.02) | 10 23 09.76 (0.02) | 10 23 08.88 | 10 23 09.78 | 10 23 09.06 (0.01) | 10 23 09.76 | 10 23 07.85 | |||||||||||||||
| Declination | 63 27 45.04 (0.01) | 63 27 44.93 (0.02) | 63 27 44.93 (0.02) | 63 27 39.60 | 63 27 45.04 | 63 27 41.49 (0.01) | 63 27 44.93 | 63 27 31.32 | |||||||||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA7.2 | DA | DA | DA | DA | DA | DA | DA7.3 | DA7 | ||||||
| Effective temperature | [K] | 6801.0 (41) | 6781.0 (15) | 6789.6 (17) | 6780.0 (50) | 6789.0 | 6777.0 (75) | 6743.0 (155) | 6780.0 (100) | 6742.0 | 6742.0 (155) | 6930.0 (107) | 6864.0 | 6780.0 (160) | 6908.0 (15) | ||||||||
| log(g) | [cgs] | 8.03 (0.02) | 8.04 (0.004) | 8.03 (0.007) | 8.04 (0.02) | 8.04 | 7.90 (0.08) | 7.93 (0.09) | 7.90 (0.08) | 7.97 (0.09) | 8.08 (0.1) | 7.99 | 7.98 (0.09) | 8.07 (0.004) | |||||||||
| Mass | [M☉] | 0.611 (0.01) | 0.616 (0.004) | 0.618 (0.01) | 0.615 | 0.47 (0.1) | 0.55 (0.04) | 0.54 (0.05) | 0.57 (0.05) | 0.64 (0.06) | 0.58 (0.05) | 0.633 (0.004) | |||||||||||
| log(Luminosity) | [L☉] | -3.46 | -3.50 | -3.50 (0.05) | |||||||||||||||||||
| Cooling age | [Gyr] | 1.8100 | 1.7670 (0.06) | 1.7460 | 1.5700 | 1.6000 | 1.5900 (0.2) | ||||||||||||||||
| log(H/He) | |||||||||||||||||||||||
| log(C/He) | |||||||||||||||||||||||
| log(Ca/He) | |||||||||||||||||||||||
| log(Ca/H) | <-11.689 | ||||||||||||||||||||||
| 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] | 62.73 (0.02) | 62.73 (0.02) | 62.73 (0.02) | 62.73 (0.02) | 62.73 (0.02) | 62.73 (0.02) | 61.20 (4) | 61.20 (4) | 61.20 (4) | 61.20 (4) | 61.20 (4) | 62.73 | 62.73 (0.02) | 62.73 (0.02) | 61.40 (4) | |||||||
| Distance | [pc] | 15.94 (0.004) | 15.94 (0.005) | 15.94 (0.005) | 15.94 (0.006) | 15.94 (0.006) | 15.94 (0.006) | 16.20 (1) | 16.34 (1) | 16.30 (1) | 16.33 | 16.30 (1) | 16.00 | 13.93 | 16.34 (1) | 15.94 | 15.94 (0.004) | 15.94 (0.006) | 16.29 (1) | ||||
| Composition | H | H | H | H | H | H | H | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | 299.9411323 (0.02) | 299.9858874 (0.03) | 299.941 (0.02) | 299.9858874 | ||||||||||||||||||
| Proper motion (declination) | [mas/yr] | 222.0275442 (0.02) | 222.0055398 (0.04) | 222.028 (0.02) | 222.0055398 | ||||||||||||||||||
| Variability | |||||||||||||||||||||||
| Magnetic | |||||||||||||||||||||||
| Bd | [MG] | ||||||||||||||||||||||
| Infrared excess (disk) | |||||||||||||||||||||||
| Binarity | |||||||||||||||||||||||
| B magnitude | 15.08 | 15.08 | 15.09 | ||||||||||||||||||||
| V magnitude | 14.71 | 14.70 | 14.70 | ||||||||||||||||||||
| R magnitude | 14.45 | 14.45 | 14.60 | ||||||||||||||||||||
| I magnitude | 14.17 | 14.17 | |||||||||||||||||||||
| J magnitude | 13.87 (0.03) | 13.87 (0.03) | 13.83 | 13.88 | 13.83 | 13.87 (0.03) | |||||||||||||||||
| H magnitude | 13.73 (0.05) | 13.73 (0.05) | 13.63 | 13.68 | 13.63 | 13.73 (0.05) | |||||||||||||||||
| K magnitude | 13.69 (0.05) | 13.69 (0.05) | 13.65 | 13.62 | 13.65 | 13.69 (0.05) | |||||||||||||||||
| u magnitude | 15.46 (0.004) | 15.40 (0.004) | 15.50 (0.004) | 15.36 | |||||||||||||||||||
| g magnitude | 14.83 (0.005) | 14.80 (0.003) | 14.84 | ||||||||||||||||||||
| r magnitude | 14.62 (0.004) | 14.62 (0.003) | 14.62 | ||||||||||||||||||||
| i magnitude | 14.57 (0.008) | 14.54 (0.003) | 14.57 | ||||||||||||||||||||
| z magnitude | 14.62 (0.003) | 14.57 (0.004) | 14.59 | ||||||||||||||||||||
| G magnitude | 14.59 (0.001) | 14.61 | 14.61 | 14.59 | 14.59 (0.003) | 14.61 | |||||||||||||||||
| BP magnitude | 14.80 (0.001) | 14.80 | 14.80 | ||||||||||||||||||||
| RP magnitude | 14.24 (0.001) | 14.25 | 14.25 | ||||||||||||||||||||
| Pan g magnitude | 14.83 (0.006) | 14.83 (0.005) | 14.83 (0.005) | ||||||||||||||||||||
| Pan r magnitude | 14.62 (0.004) | 14.62 (0.004) | 14.62 (0.004) | ||||||||||||||||||||
| Pan i magnitude | 14.57 (0.007) | 14.57 (0.008) | 14.57 (0.008) | ||||||||||||||||||||
| Pan z magnitude | 14.62 (0.003) | 14.62 (0.003) | 14.62 (0.003) | ||||||||||||||||||||
| Pan y magnitude | 14.65 (0.008) | 14.65 (0.008) | 14.65 (0.008) | ||||||||||||||||||||
| E(B-V) | 0.000 | ||||||||||||||||||||||
* 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.