All names: Gaia DR3 3320184202856435840, G 106-15, G99-47, USNO-B1.0 0953-00073703, UCAC4 477-014206, LHS 212, WDJ055625.46+052148.44, LSPM J0556+0521, G 102-40, NLTT 15834, PLX 1366.01, GEN# +9.80099047, 8pc 125.00, LTT 17891, WISEA J055625.14+052138.7, 2MASS J05562547+0521486, TIC 282080245, USNO 224, GJ 1087, Zkh 81, CNS5 1475, PM J05564+0521, UBV M 53730, WD 0553+053, Gaia DR2 3320184202856027776, WD 0553+05, 05564+0521, EGGR 290, G 99-47, PM 05538+0522, Gaia EDR3 3320184202856435840, V* V1201 Ori
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Hardy et al. 2023a | Stilism | Holberg et al. 2016 | Ferrario et al. 2015 | Limoges et al. 2015 | Sion et al. 2014 | Giammichele et al. 2012 | Holberg et al. 2008 | Zuckerman et al. 2003 | Bergeron et al. 2001 | Bergeron et al. 1997 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 56 24.98 (0.01) | 05 56 25.44 | 05 56 24.98 | 05 56 25.46 (0.01) | 05 56 27.02 | |||||||||||||
| Declination | 05 21 33.64 (0.01) | 05 21 46.80 | 05 21 33.64 | 05 21 48.44 (0.01) | 05 22 21.36 | |||||||||||||
| Spectral type | DAH | DAH | DAP | DA | DAH | DAP8.7 | DAH | DAP | DA | DA | DA8P | DAP9 | ||||||
| Effective temperature | [K] | 5729.0 (26) | 5630.7 (12) | 5785.0 (105) | 5790.0 (110) | 5790.0 (134) | 5785.0 | 5785.0 (105) | 5664.0 | 5790.0 (110) | 5790.0 (110) | 5887.0 (10) | ||||||
| log(g) | [cgs] | 8.15 (0.01) | 8.16 (0.4) | 8.22 (0.04) | 8.22 (0.04) | 8.22 (0.04) | 8.12 | 8.20 (0.05) | 8.20 (0.04) | 8.21 (0.003) | ||||||||
| Mass | [M☉] | 0.68 (0.009) | 0.682719285325318 (0.4) | 0.73 (0.03) | 0.71 (0.03) | 0.73 (0.03) | 0.72 (0.03) | 0.71 (0.03) | 0.72 (0.03) | 0.723 (0.003) | ||||||||
| log(Luminosity) | [L☉] | -3.92 | -3.91 | -3.90 (0.02) | -3.90 (0.02) | |||||||||||||
| Cooling age | [Gyr] | 4.1200 | 4.2500 | 4.1100 (0.3) | 4.5300 (0.4) | |||||||||||||
| log(H/He) | ||||||||||||||||||
| log(C/He) | ||||||||||||||||||
| log(Ca/He) | ||||||||||||||||||
| log(Ca/H) | <-12.129 | |||||||||||||||||
| 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] | 123.20 (0.02) | 123.20 (0.02) | 125.10 (4) | 125.10 (4) | 125.10 (4) | 125.10 (4) | 125.00 (4) | 125.10 (4) | 123.20 | 123.20 (0.02) | 124.00 (3) | ||||||
| Distance | [pc] | 8.12 (0.001) | 8.12 (0.001) | 7.99 (0.2) | 8.00 (2) | 7.99 | 7.99 (0.2) | 7.99 | 8.00 (0.2) | 7.99 (0.2) | 8.12 | 8.12 (0.001) | 8.06 (0.2) | |||||
| Composition | H | H | H | H | H | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -444.685 (0.02) | -444.685 (0.02) | |||||||||||||||
| Proper motion (declination) | [mas/yr] | -925.14 (0.01) | -925.14 (0.01) | |||||||||||||||
| Variability | ||||||||||||||||||
| Magnetic | yes | yes | yes | yes | yes | yes | yes | |||||||||||
| Bd | [MG] | 28.98703248100793 | 20 | 20 (3) | ||||||||||||||
| Infrared excess (disk) | ||||||||||||||||||
| Binarity | ||||||||||||||||||
| B magnitude | 14.78 | 14.78 | 14.78 | 14.77 (0.02) | ||||||||||||||
| V magnitude | 14.11 | 14.16 | 14.16 | 14.16 | 14.13 (0.06) | |||||||||||||
| R magnitude | 13.78 | 13.78 | 13.78 | 14.00 (0.09) | ||||||||||||||
| I magnitude | 13.41 | 13.41 | 13.41 | |||||||||||||||
| J magnitude | 12.96 | 12.96 | 12.96 | 12.96 | 12.93 (0.02) | |||||||||||||
| H magnitude | 12.77 | 12.76 | 12.77 | 12.77 | 12.72 (0.03) | |||||||||||||
| K magnitude | 12.66 | 12.65 | 12.66 | 12.66 | 12.65 (0.02) | |||||||||||||
| u magnitude | ||||||||||||||||||
| g magnitude | ||||||||||||||||||
| r magnitude | ||||||||||||||||||
| i magnitude | ||||||||||||||||||
| z magnitude | ||||||||||||||||||
| G magnitude | 13.97 (0.003) | 13.97 | 13.97 (0.003) | |||||||||||||||
| BP magnitude | 14.30 (0.003) | |||||||||||||||||
| RP magnitude | 13.47 (0.004) | |||||||||||||||||
| Pan g magnitude | 14.35 (0.001) | |||||||||||||||||
| Pan r magnitude | 13.97 (0.001) | |||||||||||||||||
| Pan i magnitude | 13.82 (0.003) | |||||||||||||||||
| Pan z magnitude | 13.79 (0) | |||||||||||||||||
| Pan y magnitude | 13.78 (0.002) | |||||||||||||||||
| 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.