All names: Gaia EDR3 2431273955681097984, Gaia DR2 2431273955681097984, SDSS J001702.58-063919.18, Gaia DR3 2431273955681097984, GALEX J001702.5-063918, SDSS J001702.58-063919.1
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 00 17 02.58 (1) | 00 17 02.58 | 00 17 02.58 (1) | 00 17 02.58 (1) | ||||||
Declination | -06 39 19.23 (0.6) | -06 39 19.18 | -06 39 19.23 (0.7) | -06 39 19.03 (0.6) | ||||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 8503.0 | 10782.0 (89) | |||||||
log(g) | [cgs] | 7.34 | 8.21 (0.1) | |||||||
Mass | [M☉] | 0.293 | 0.586 (0.07) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.4790 | ||||||||
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] | 1.16 (1) | 2.04 (1) | 1.16 (1) | ||||||
Distance | [pc] | 865.66 (1017) | 489.91 (335) | 865.65 (1017) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -4.480029111 (2) | -5.722434667 (3) | -4.48 (2) | ||||||
Proper motion (declination) | [mas/yr] | -13.0296243 (1) | -14.44515089 (1) | -13.03 (1) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 21.05 (0.1) | 21.03 (0.1) | 21.03 (0.1) | |||||||
g magnitude | 20.38 (0.02) | 20.40 (0.02) | 20.40 (0.02) | |||||||
r magnitude | 20.47 (0.04) | 20.50 (0.04) | 20.50 (0.04) | |||||||
i magnitude | 20.60 (0.06) | 20.60 (0.06) | 20.60 (0.06) | |||||||
z magnitude | 20.42 (0.2) | 20.40 (0.2) | 20.40 (0.2) | |||||||
G magnitude | 20.39 (0.1) | 20.48 | 20.39 (0.01) | |||||||
BP magnitude | 20.34 (0.1) | 20.33 | ||||||||
RP magnitude | 20.15 (0.1) | 20.45 | ||||||||
Pan g magnitude | 20.32 (0.03) | |||||||||
Pan r magnitude | 20.51 (0.02) | |||||||||
Pan i magnitude | 20.65 (0.03) | |||||||||
Pan z magnitude | 20.86 (0.1) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.025 |
* 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.