All names: Gaia DR2 987361166866000128, J0718+5514, USNO-B1.0 1452-00177522, GSC2U J071858.8+551406, Gaia EDR3 987361166866000128, WD 0714+553, WDJ071858.96+551404.46, Gaia DR3 987361166866000128
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 07 18 59.23 (0.4) | 07 18 59.23 (0.5) | 07 18 58.96 (0.4) | 07 18 59.23 | 07 18 57.77 | ||||
| Declination | 55 14 01.46 (0.3) | 55 14 01.55 (0.4) | 55 14 04.46 (0.3) | 55 14 01.55 | 55 13 59.88 | ||||
| Spectral type | DC | DC | DC | ||||||
| Effective temperature | [K] | 4928.0 (73) | |||||||
| log(g) | [cgs] | 7.99 (0.08) | |||||||
| Mass | [M☉] | 0.572 (0.07) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | 6.2300 | |||||||
| 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] | 10.50 (0.4) | 10.41 (0.7) | 10.41 (0.7) | 10.50 (0.4) | 10.41 (0.7) | |||
| Distance | [pc] | 95.25 (4) | 96.06 (6) | 96.06 (6) | 95.25 (4) | 96.06 (6) | |||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | 147.5414307 (0.4) | 147.3185308 (1) | 147.541 (0.4) | 147.3185308 | ||||
| Proper motion (declination) | [mas/yr] | -187.5533446 (0.3) | -187.6252252 (0.9) | -187.553 (0.3) | -187.6252252 | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 21.20 | ||||||||
| V magnitude | |||||||||
| R magnitude | 20.20 | ||||||||
| I magnitude | |||||||||
| J magnitude | 18.72 (0.07) | ||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | |||||||||
| g magnitude | |||||||||
| r magnitude | |||||||||
| i magnitude | |||||||||
| z magnitude | |||||||||
| G magnitude | 19.85 (0.09) | 19.89 | 19.85 (0.005) | 19.89 | |||||
| BP magnitude | 20.48 (0.09) | 20.43 | 20.43 | ||||||
| RP magnitude | 19.27 (0.06) | 19.29 | 19.29 | ||||||
| Pan g magnitude | 20.44 (0.03) | 20.44 (0.02) | |||||||
| Pan r magnitude | 19.81 (0.02) | 19.81 (0.02) | |||||||
| Pan i magnitude | 19.51 (0.01) | 19.51 (0.01) | |||||||
| Pan z magnitude | 19.44 (0.02) | 19.44 (0.02) | |||||||
| Pan y magnitude | 19.31 (0.04) | 19.31 (0.03) | |||||||
| E(B-V) | 0.004 | ||||||||
* 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.