All names: Gaia DR2 5178915236744648576, Gaia EDR3 5178915236744648576, Gaia DR3 5178915236744648576, SDSS J023543.18-055442.0, PHL 1387, SDSS J023543.16-055441.9, SDSS J023543.18-055442.07, GALEX J023543.1-055441
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 35 43.20 (0.1) | 02 35 43.17 | 02 35 43.20 (0.1) | 02 35 43.15 (0.1) | ||||||
Declination | -05 54 42.22 (0.1) | -05 54 41.92 | -05 54 42.20 (0.1) | -05 54 41.71 (0.1) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 15243.0 | 18944.0 (100) | |||||||
log(g) | [cgs] | 7.59 | 7.88 (0) | |||||||
Mass | [M☉] | 0.412 | 0.561 (0) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.1010 | ||||||||
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] | 3.64 (0.1) | 3.59 (0.1) | 3.64 (0.1) | ||||||
Distance | [pc] | 274.44 (9) | 278.74 (10) | 274.44 (9) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 48.65038499 (0.2) | 48.88126938 (0.3) | 48.65 (0.2) | ||||||
Proper motion (declination) | [mas/yr] | -31.73765468 (0.1) | -32.14270982 (0.2) | -31.738 (0.1) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | 17.40 | |||||||||
V magnitude | 17.60 | |||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 17.95 (0.01) | 17.95 (0.01) | 17.95 (0.01) | |||||||
g magnitude | 17.76 (0.006) | 17.76 (0.01) | 17.76 (0.006) | |||||||
r magnitude | 18.09 (0.007) | 18.09 (0.01) | 18.09 (0.007) | |||||||
i magnitude | 18.35 (0.01) | 18.35 (0.01) | 18.35 (0.01) | |||||||
z magnitude | 18.63 (0.03) | 18.63 (0.03) | 18.63 (0.03) | |||||||
G magnitude | 17.93 (0.02) | 17.96 | 17.93 (0.003) | |||||||
BP magnitude | 17.87 (0.02) | 17.83 | ||||||||
RP magnitude | 18.25 (0.08) | 18.04 | ||||||||
Pan g magnitude | 17.79 (0.008) | |||||||||
Pan r magnitude | 18.08 (0.004) | |||||||||
Pan i magnitude | 18.37 (0.006) | |||||||||
Pan z magnitude | 18.61 (0.007) | |||||||||
Pan y magnitude | 18.76 (0.03) | |||||||||
E(B-V) | 0.022 |
* 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.