All names: 2RE J0218+143, USNO-B1.0 1046-00024788, [TSA98] J021850.28+143630.28, 1RXS J021848.5+143556, WD 0216+143, EUVE J0218+14.6, Gaia DR3 75783121685634816, Gaia EDR3 75783121685634816, GSC 00637-00309, PG 0216+144, TIC 408594473, 2E 555, 2MASS J02184813+1436043, 2EUVE J0218+14.6, Gaia DR2 75783121685634816, 2RE J021846+143642, GALEX J021848.0+143606, 2E 0216.1+1422, WD0216+143, WDJ021848.13+143604.54
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 02 18 48.02 (0.09) | 02 18 48.02 (0.1) | 02 18 48.30 | 02 18 48.02 | 02 18 48.13 (0.09) | 02 18 48.02 | 02 18 47.50 | ||||||
| Declination | 14 36 05.09 (0.08) | 14 36 05.07 (0.1) | 14 36 03.00 | 14 36 05.09 | 14 36 04.53 (0.08) | 14 36 05.07 | 14 36 05.40 | ||||||
| Spectral type | DA | DA | DA | DA | DA1.8 | DA2 | |||||||
| Effective temperature | [K] | 19835.0 | 27910.0 (411) | 26637.0 (29) | 27132.0 (74) | 25744.0 (365) | |||||||
| log(g) | [cgs] | 7.38 | 7.89 (0.05) | 7.79 (0.005) | 7.79 (0.01) | 7.74 (0.02) | |||||||
| Mass | [M☉] | 0.355 | 0.58 (0.02) | 0.54 | 0.507 (0.01) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.0134 | |||||||||||
| 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] | 11.98 (0.1) | 11.56 (0.1) | 11.98 | 11.98 (0.1) | 11.56 (0.1) | |||||||
| Distance | [pc] | 83.45 (0.8) | 86.52 (1) | 84.00 | 83.45 | 83.45 (0.8) | 86.52 (1) | ||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -98.88947835 (0.1) | -98.54539916 (0.2) | -98.889 (0.1) | -98.54539916 | ||||||||
| Proper motion (declination) | [mas/yr] | 34.98914671 (0.1) | 34.20068786 (0.2) | 34.989 (0.1) | 34.20068786 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 13.90 | ||||||||||||
| V magnitude | 14.58 | 14.58 | 14.53 | ||||||||||
| R magnitude | 15.10 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 15.07 (0.04) | ||||||||||||
| H magnitude | 15.09 (0.07) | ||||||||||||
| K magnitude | |||||||||||||
| u magnitude | |||||||||||||
| g magnitude | |||||||||||||
| r magnitude | |||||||||||||
| i magnitude | |||||||||||||
| z magnitude | |||||||||||||
| G magnitude | 14.52 (0.002) | 14.54 | 14.52 | 14.52 (0.003) | 14.54 | ||||||||
| BP magnitude | 14.42 (0.002) | 14.39 | 14.39 | ||||||||||
| RP magnitude | 14.75 (0.001) | 14.75 | 14.75 | ||||||||||
| Pan g magnitude | 14.38 (0.004) | ||||||||||||
| Pan r magnitude | 14.75 (0.001) | ||||||||||||
| Pan i magnitude | 15.06 (0.002) | ||||||||||||
| Pan z magnitude | 15.33 (0.002) | ||||||||||||
| Pan y magnitude | 15.49 (0.004) | ||||||||||||
| E(B-V) | 0.009 | ||||||||||||
* 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.