All names: 2RE J055037+000547, 2E 1572, WD 0548+00, 2E 0548.1+0005, RX J0550.6+0005, [TSA98] J055036.43+000541.67, 2MASS J05503751+0005526, Gaia DR2 3218753701142724992, 2EUVE J0550+00.1, 2RE J0550+000, WD 0548+000, USNO-B1.0 0900-00069083, 1E 0548.0+0004, GD 257, Gaia EDR3 3218753701142724992, GEN# +6.10060257, EUVE J0550+00.1, Gaia DR3 3218753701142724992, EGGR 289, GSC 00116-00163, RE J0550+000, TIC 158865519, RE J055037+000537, WD0548+000, RE J0550+00, 1RXS J055038.1+000553
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2005 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 05 50 37.58 (0.04) | 05 50 37.58 (0.07) | 05 50 37.60 | 05 50 37.58 | 05 50 37.52 (0.04) | 05 50 37.85 | ||||||
| Declination | 00 05 51.76 (0.03) | 00 05 51.79 (0.07) | 00 05 50.00 | 00 05 51.76 | 00 05 52.62 (0.03) | 00 05 58.56 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.1 | DA | ||||||
| Effective temperature | [K] | 46860.0 (742) | 44684.0 (107) | 47100.0 | 47143.0 (166) | |||||||
| log(g) | [cgs] | 7.78 (0.05) | 7.82 (0.01) | 7.90 | 7.55 (0.01) | |||||||
| Mass | [M☉] | 0.59 (0.02) | 0.5 | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 7.00 (0.04) | 7.03 (0.08) | 7.00 | 7.00 (0.04) | |||||||
| Distance | [pc] | 142.91 (0.9) | 142.32 (2) | 152.00 | 142.91 | 142.91 (0.9) | ||||||
| Composition | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 57.44047514 (0.05) | 57.44533892 (0.1) | 57.44 (0.05) | ||||||||
| Proper motion (declination) | [mas/yr] | -53.9079406 (0.04) | -53.68727647 (0.1) | -53.908 (0.04) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 14.80 | |||||||||||
| V magnitude | 14.79 | 14.79 | 15.10 | |||||||||
| R magnitude | 15.10 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.45 (0.05) | |||||||||||
| H magnitude | 15.49 (0.09) | |||||||||||
| K magnitude | 15.60 (0.2) | |||||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 14.75 (0.001) | 14.77 | 14.75 | 14.75 (0.003) | ||||||||
| BP magnitude | 14.59 (0.001) | 14.52 | ||||||||||
| RP magnitude | 15.07 (0.002) | 15.07 | ||||||||||
| Pan g magnitude | 14.58 (0.005) | |||||||||||
| Pan r magnitude | 15.04 (0.002) | |||||||||||
| Pan i magnitude | 15.41 (0.003) | |||||||||||
| Pan z magnitude | 15.69 (0.004) | |||||||||||
| Pan y magnitude | 15.89 (0.004) | |||||||||||
| E(B-V) | 0.007 | |||||||||||
* 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.