All names: Gaia EDR3 2646617809106367360, LSPM J2347+0223, Gaia DR2 2646617809106367360, TIC 293358546, PM J23478+0223, LP 643-71, PSO J356.9731+02.3941, NLTT 57996, Gaia DR3 2646617809106367360, SDSS J234753.62+022339.7, 23478+0223, USNO-B1.0 0923-00776538, 2MASS J23475375+0223407, WDJ234753.74+022340.82, J2347+0223
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Caron et al. 2023 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 47 53.54 (0.3) | 23 47 53.55 (0.2) | 23 47 53.54 | 23 47 53.73 (0.3) | 23 47 53.55 | |||||||
Declination | 02 23 38.82 (0.2) | 02 23 38.89 (0.1) | 02 23 38.82 | 02 23 40.83 (0.2) | 02 23 38.89 | |||||||
Spectral type | DA | DA | DA | DA | DC: | DA | ||||||
Effective temperature | [K] | 5134.0 (25) | 5115.0 (40) | 5129.0 | 5120.0 (48) | 5189.0 (62) | ||||||
log(g) | [cgs] | 7.20 (0.03) | 7.16 (0.05) | 7.17 | 8.00 (0) | 7.23 (0.04) | ||||||
Mass | [M☉] | 0.226 (0.01) | 0.217 (0.01) | 0.219 | 0.58 (0.1) | 0.238 (0.02) | ||||||
log(Luminosity) | [L☉] | -4.01 | ||||||||||
Cooling age | [Gyr] | 1.4000 | 1.4610 (0.06) | 1.4580 | ||||||||
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] | 14.70 (0.2) | 14.38 (0.3) | 14.38 (0.3) | 14.38 (0.3) | 14.70 | 14.70 (0.2) | 14.38 (0.3) | ||||
Distance | [pc] | 68.01 (1) | 69.54 (1) | 69.55 (1) | 69.55 (1) | 42.70 (5) | 68.01 | 68.01 (1) | 69.55 (1) | |||
Composition | H | H | H | H | ||||||||
Proper motion (right ascension) | [mas/yr] | -180.2117827 (0.4) | -180.926846 (0.5) | -180.212 (0.4) | -180.926846 | |||||||
Proper motion (declination) | [mas/yr] | -125.3179799 (0.2) | -124.9792652 (0.3) | -125.318 (0.2) | -124.9792652 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 18.80 | |||||||||||
V magnitude | ||||||||||||
R magnitude | 17.50 | |||||||||||
I magnitude | ||||||||||||
J magnitude | 16.73 (0.02) | 16.44 (0.1) | 16.44 | 16.44 (0.1) | ||||||||
H magnitude | 16.39 (0.03) | 16.28 (0.3) | 16.28 | 16.28 (0.2) | ||||||||
K magnitude | 16.41 (0.04) | 16.30 | ||||||||||
u magnitude | 20.03 (0.05) | 20.00 | 19.90 (0.04) | 20.03 (0.05) | ||||||||
g magnitude | 18.56 | 18.54 (0.008) | 18.56 (0.008) | |||||||||
r magnitude | 17.91 | 17.91 (0.003) | 17.92 (0.006) | |||||||||
i magnitude | 17.65 | 17.71 (0.005) | 17.66 (0.007) | |||||||||
z magnitude | 17.60 | 17.63 (0.01) | 17.61 (0.02) | |||||||||
G magnitude | 18.00 (0.02) | 17.99 | 18.00 | 18.00 (0.005) | 17.99 | |||||||
BP magnitude | 18.37 (0.02) | 18.42 | 18.42 | |||||||||
RP magnitude | 17.33 (0.006) | 17.34 | 17.34 | |||||||||
Pan g magnitude | 18.49 (0.009) | 18.49 (0.01) | 18.49 (0.01) | |||||||||
Pan r magnitude | 17.91 (0.003) | 17.91 (0.003) | 17.91 (0.003) | |||||||||
Pan i magnitude | 17.71 (0.004) | 17.71 (0.005) | 17.71 (0.005) | |||||||||
Pan z magnitude | 17.63 (0.009) | 17.63 (0.01) | 17.63 (0.01) | |||||||||
Pan y magnitude | 17.58 (0.02) | 17.58 (0.02) | 17.58 (0.02) | |||||||||
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.