All names: WDJ154135.78-024941.78, Gaia DR2 4403541148665907456, Gaia DR3 4403541148665907456, Gaia EDR3 4403541148665907456, SDSS J154135.77-024942.0, SDSS J154135.76-024942.0
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|
Right ascension | 15 41 35.59 (0.5) | 15 41 35.60 | 15 41 35.59 | 15 41 35.78 (0.5) | 15 41 35.60 | |||
Declination | -02 49 44.09 (0.3) | -02 49 44.02 | -02 49 44.09 | -02 49 41.77 (0.3) | -02 49 44.02 | |||
Spectral type | DA: | DA | ||||||
Effective temperature | [K] | 4208.0 (319) | ||||||
log(g) | [cgs] | 8.33 (0.1) | ||||||
Mass | [M☉] | 0.793 (0.1) | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 16.24 (0.5) | 16.60 (0.6) | 16.24 | 16.24 (0.5) | 16.60 (0.6) | ||
Distance | [pc] | 61.57 (2) | 60.24 (2) | 61.57 | 61.57 (2) | 60.24 (2) | ||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -174.2031981 (0.6) | -174.2428569 (1) | -174.203 (0.6) | -174.2428569 | |||
Proper motion (declination) | [mas/yr] | -145.2567158 (0.4) | -144.3422689 (0.8) | -145.257 (0.4) | -144.3422689 | |||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | ||||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 25.30 (0.7) | 25.30 (0.7) | ||||||
g magnitude | 21.35 (0.05) | 21.35 (0.05) | ||||||
r magnitude | 19.87 (0.02) | 19.87 (0.02) | ||||||
i magnitude | 19.65 (0.02) | 19.65 (0.02) | ||||||
z magnitude | 19.40 (0.06) | 19.40 (0.06) | ||||||
G magnitude | 20.02 (0.09) | 20.11 | 20.02 | 20.02 (0.005) | 20.11 | |||
BP magnitude | 20.86 (0.09) | 20.65 | 20.65 | |||||
RP magnitude | 19.30 (0.04) | 19.21 | 19.21 | |||||
Pan g magnitude | 21.01 (0.03) | |||||||
Pan r magnitude | 19.86 (0.008) | |||||||
Pan i magnitude | 19.67 (0.01) | |||||||
Pan z magnitude | 19.41 (0.02) | |||||||
Pan y magnitude | 19.31 (0.04) | |||||||
E(B-V) | 0.002 |
* 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.