All names: Gaia DR2 4598775557191664384, 2MASS J17333719+2903380, J1733+2903, Gaia EDR3 4598775557191664384, WDJ173337.18+290338.04, SDSS J173337.18+290338.6, USNO-B1.0 1190-00266020, Gaia DR3 4598775557191664384, GALEX J173337.2+290339, LSPM J1733+2903, TIC 298497332
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | 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 33 37.20 (0.04) | 17 33 37.20 (0.05) | 17 33 37.20 | 17 33 37.20 | 17 33 37.18 (0.04) | 17 33 37.20 | ||||||||||
Declination | 29 03 40.55 (0.05) | 29 03 40.47 (0.06) | 29 03 40.47 | 29 03 40.55 | 29 03 38.04 (0.05) | 29 03 40.47 | ||||||||||
Spectral type | DC | DC | DC | DC | DC | DC | DA: | DC | ||||||||
Effective temperature | [K] | 6290.0 (20) | 6458.0 (57) | 6318.0 (19) | 5969.0 (20) | 6344.4 (41) | 6340.0 (40) | 6565.0 | 6315.0 | 6505.0 (40) | ||||||
log(g) | [cgs] | 8.13 (0.006) | 8.19 (0.03) | 8.14 (0.007) | 7.96 (0.007) | 8.15 (0.02) | 8.15 (0.02) | 8.26 | 8.14 | 8.23 (0.01) | ||||||
Mass | [M☉] | 0.653 (0.006) | 0.691 (0.02) | 0.66 (0.006) | 0.545 (0.006) | 0.754 | 0.659 | 0.738 (0.01) | ||||||||
log(Luminosity) | [L☉] | |||||||||||||||
Cooling age | [Gyr] | 2.8800 | 3.1310 | 2.8510 | ||||||||||||
log(H/He) | -3 | |||||||||||||||
log(C/He) | ||||||||||||||||
log(Ca/He) | ||||||||||||||||
log(Ca/H) | ||||||||||||||||
log(N/He) | ||||||||||||||||
log(O/He) | ||||||||||||||||
log(Na/He) | ||||||||||||||||
log(Mg/He) | ||||||||||||||||
log(Al/He) | ||||||||||||||||
log(Si/He) | ||||||||||||||||
log(P/He) | ||||||||||||||||
log(S/He) | ||||||||||||||||
log(Cl/He) | ||||||||||||||||
log(Sc/He) | ||||||||||||||||
log(Ti/He) | ||||||||||||||||
log(V/He) | ||||||||||||||||
log(Cr/He) | ||||||||||||||||
log(Mn/He) | ||||||||||||||||
log(Fe/He) | ||||||||||||||||
log(Co/He) | ||||||||||||||||
log(Ni/He) | ||||||||||||||||
log(Cu/He) | ||||||||||||||||
log(Zn/He) | ||||||||||||||||
log(Ga/He) | ||||||||||||||||
log(Ge/He) | ||||||||||||||||
log(Sr/He) | ||||||||||||||||
Parallax | [mas] | 25.27 (0.05) | 25.27 (0.05) | 25.29 (0.07) | 25.29 (0.07) | 25.29 (0.07) | 25.27 | 25.27 (0.05) | 25.29 (0.07) | |||||||
Distance | [pc] | 39.57 (0.08) | 39.57 (0.08) | 39.54 (0.1) | 39.54 (0.1) | 39.54 (0.1) | 39.57 | 39.57 (0.08) | 39.54 (0.1) | |||||||
Composition | He | He | He | |||||||||||||
Proper motion (right ascension) | [mas/yr] | 18.75805125 (0.05) | 18.68612087 (0.1) | 18.758 (0.05) | 18.68612087 | |||||||||||
Proper motion (declination) | [mas/yr] | 156.7060839 (0.05) | 156.7470863 (0.1) | 156.706 (0.05) | 156.7470863 | |||||||||||
Variability | ||||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 17.20 | |||||||||||||||
V magnitude | ||||||||||||||||
R magnitude | 16.80 | |||||||||||||||
I magnitude | ||||||||||||||||
J magnitude | 16.41 (0.1) | 16.41 (0.1) | ||||||||||||||
H magnitude | 15.93 (0.2) | 15.93 (0.2) | ||||||||||||||
K magnitude | 15.97 (0.2) | 15.97 (0.2) | ||||||||||||||
u magnitude | 18.02 (0.01) | 18.02 (0.01) | 18.02 (0.01) | |||||||||||||
g magnitude | 17.30 (0.005) | 17.30 (0.005) | ||||||||||||||
r magnitude | 17.03 (0.005) | 17.03 (0.005) | ||||||||||||||
i magnitude | 16.97 (0.006) | 16.97 (0.006) | ||||||||||||||
z magnitude | 17.00 (0.01) | 17.00 (0.01) | ||||||||||||||
G magnitude | 17.02 (0.005) | 17.03 | 17.03 | 17.02 | 17.02 (0.003) | 17.03 | ||||||||||
BP magnitude | 17.26 (0.005) | 17.27 | 17.27 | |||||||||||||
RP magnitude | 16.64 (0.003) | 16.64 | 16.64 | |||||||||||||
Pan g magnitude | 17.27 (0.003) | 17.27 (0.003) | ||||||||||||||
Pan r magnitude | 17.03 (0.003) | 17.03 (0.003) | ||||||||||||||
Pan i magnitude | 16.97 (0.002) | 16.97 (0.002) | ||||||||||||||
Pan z magnitude | 16.99 (0.004) | 16.99 (0.005) | ||||||||||||||
Pan y magnitude | 17.03 (0.007) | 17.03 (0.006) | ||||||||||||||
E(B-V) | 0.003 |
* 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.