All names: WDJ031138.80-055117.55, J0311-0551, WDJ031138.8-055117.54, Gaia DR3 5181816233750415488, Gaia DR2 5181816233750415488, LP 652-80, Gaia EDR3 5181816233750415488, TIC 49822529, NLTT 10181, 2MASS J03113877-0551176
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 03 11 39.27 (0.1) | 03 11 39.25 | 03 11 39.27 | 03 11 38.80 (0.1) | 03 11 39.25 | ||||||||
Declination | -05 51 16.44 (0.1) | -05 51 16.47 | -05 51 16.44 | -05 51 17.55 (0.1) | -05 51 16.47 | ||||||||
Spectral type | DC | DC | DC | DC: | DC | ||||||||
Effective temperature | [K] | 3937.0 (194) | 3966.0 (19) | 4220.0 (10) | 3982.0 | 3793.0 | 4058.0 (89) | ||||||
log(g) | [cgs] | 7.76 (0.1) | 7.77 (0.01) | 7.83 (0.01) | 7.78 | 7.50 | 7.84 (0.04) | ||||||
Mass | [M☉] | 0.45 (0.06) | 0.444 (0.009) | 0.449 | 0.314 | 0.484 (0.03) | |||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 7.2200 | 6.9970 | 4.2590 | |||||||||
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] | 31.61 (0.1) | 31.61 (0.1) | 31.43 (0.2) | 31.43 (0.2) | 31.61 | 31.61 (0.1) | 31.43 (0.2) | |||||
Distance | [pc] | 31.63 (0.1) | 31.64 (0.2) | 31.82 (0.2) | 31.81 (0.2) | 31.63 | 31.63 (0.1) | 31.81 (0.2) | |||||
Composition | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 433.6513701 (0.1) | 433.3594163 (0.3) | 433.651 (0.1) | 433.3594163 | ||||||||
Proper motion (declination) | [mas/yr] | 69.29149829 (0.1) | 69.22665616 (0.3) | 69.291 (0.1) | 69.22665616 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | 18.72 | ||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | 16.68 (0.1) | 16.68 (0.1) | |||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | |||||||||||||
g magnitude | |||||||||||||
r magnitude | |||||||||||||
i magnitude | |||||||||||||
z magnitude | |||||||||||||
G magnitude | 18.09 (0.03) | 18.12 | 18.09 | 18.09 (0.003) | 18.12 | ||||||||
BP magnitude | 18.81 (0.03) | 18.83 | 18.83 | ||||||||||
RP magnitude | 17.28 (0.02) | 17.28 | 17.28 | ||||||||||
Pan g magnitude | 19.05 (0.005) | 19.05 (0.005) | |||||||||||
Pan r magnitude | 18.06 (0.01) | 18.06 (0.01) | |||||||||||
Pan i magnitude | 17.64 (0.004) | 17.64 (0.003) | |||||||||||
Pan z magnitude | 17.48 (0.006) | 17.48 (0.005) | |||||||||||
Pan y magnitude | 17.38 (0.009) | 17.38 (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.