All names: Gaia DR3 4542785981266940416, WDJ172945.19+143541.28, Gaia EDR3 4542785981266940416, TIC 263927571, Gaia DR2 4542785981266940416, J1729+1435, 2MASS J17294518+1435412
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | Tremblay et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 29 45.28 (0.08) | 17 29 45.28 (0.1) | 17 29 45.28 | 17 29 45.28 | 17 29 45.19 (0.08) | 17 29 45.28 | ||||||||
Declination | 14 35 41.64 (0.07) | 14 35 41.63 (0.1) | 14 35 41.63 | 14 35 41.64 | 14 35 41.29 (0.07) | 14 35 41.63 | ||||||||
Spectral type | DC | DC | DC | DC | DC: | DC | ||||||||
Effective temperature | [K] | 4785.0 (74) | 4840.0 (22) | 4731.4 (54) | 4730.0 (50) | 4837.0 | 4532.0 | 4845.0 (37) | ||||||
log(g) | [cgs] | 8.27 (0.05) | 8.31 (0.01) | 8.25 (0.04) | 8.25 (0.04) | 8.31 | 8.12 | 8.31 (0.02) | ||||||
Mass | [M☉] | 0.756 (0.04) | 0.784 (0.01) | 0.783 | 0.641 | 0.783 (0.01) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 9.5700 | 8.7460 | 7.2470 | ||||||||||
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] | 31.39 (0.1) | 31.39 (0.1) | 31.36 (0.1) | 31.36 (0.2) | 31.36 (0.2) | 31.39 | 31.39 (0.1) | 31.36 (0.2) | |||||
Distance | [pc] | 31.86 (0.1) | 31.86 (0.1) | 31.89 (0.2) | 31.89 (0.2) | 31.89 (0.2) | 31.86 | 31.86 (0.1) | 31.89 (0.2) | |||||
Composition | H | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 81.83656248 (0.1) | 81.99984678 (0.2) | 81.837 (0.1) | 81.99984678 | |||||||||
Proper motion (declination) | [mas/yr] | 22.17993161 (0.1) | 22.24013933 (0.2) | 22.18 (0.1) | 22.24013933 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | ||||||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | 16.69 (0.2) | 16.69 (0.2) | ||||||||||||
H magnitude | ||||||||||||||
K magnitude | ||||||||||||||
u magnitude | ||||||||||||||
g magnitude | ||||||||||||||
r magnitude | ||||||||||||||
i magnitude | ||||||||||||||
z magnitude | ||||||||||||||
G magnitude | 17.98 (0.02) | 18.00 | 18.00 | 17.98 | 17.98 (0.003) | 18.00 | ||||||||
BP magnitude | 18.54 (0.02) | 18.53 | 18.53 | |||||||||||
RP magnitude | 17.32 (0.009) | 17.32 | 17.32 | |||||||||||
Pan g magnitude | 18.63 (0.008) | 18.63 (0.008) | ||||||||||||
Pan r magnitude | 17.95 (0.005) | 17.95 (0.005) | ||||||||||||
Pan i magnitude | 17.67 (0.004) | 17.67 (0.004) | ||||||||||||
Pan z magnitude | 17.56 (0.005) | 17.56 (0.006) | ||||||||||||
Pan y magnitude | 17.54 (0.01) | 17.54 (0.008) | ||||||||||||
E(B-V) | 0.001 |
* 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.