All names: SDSS J163729.22+011000.8, WDJ163729.22+011000.80, SDSS J163729.21+011000.8, 2MASS J16372922+0110011, WD 1634+012, SDSS J163729.21+011000.9, J1637+0110, PSO J249.3717+01.1667, Gaia DR2 4384056565671592576, Gaia EDR3 4384056565671592576, Gaia DR3 4384056565671592576, GALEX J163729.2+011000, TIC 281792681
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Tremblay et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 37 29.22 (0.07) | 16 37 29.22 | 16 37 29.22 (0.1) | 16 37 29.22 | 16 37 29.22 (0.07) | 16 37 29.22 | 16 37 29.22 | 16 37 29.45 | 16 37 29.21 | ||||||||||
Declination | 01 10 00.18 (0.04) | 01 10 00.84 | 01 10 00.20 (0.07) | 01 10 00.18 | 01 10 00.80 (0.04) | 01 10 00.20 | 01 10 00.84 | 01 09 55.80 | 01 10 00.88 | ||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA_auto | DA | DA | DA | ||||||
Effective temperature | [K] | 7070.0 (32) | 7104.0 (30) | 7070.0 (32) | 7000.0 (65) | 7030.0 | 7070.0 (50) | 7091.0 (67) | 7833.0 (26) | 7014.0 (25) | |||||||||
log(g) | [cgs] | 7.96 (0.01) | 7.99 (0.01) | 7.98 (0.01) | 7.96 (0.03) | 7.96 | 8.06 (0.1) | 7.97 (0.02) | 8.99 (0.01) | 7.81 (0.05) | |||||||||
Mass | [M☉] | 0.571 (0.009) | 0.587 (0.01) | 0.579 (0.01) | 0.569 (0.01) | 0.571 | 0.63 (0.06) | 0.573 (0.02) | 0.496 (0.03) | ||||||||||
log(Luminosity) | [L☉] | ||||||||||||||||||
Cooling age | [Gyr] | 1.4900 | 1.4390 (0.06) | 1.4320 | 1.6218 | ||||||||||||||
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] | 14.79 (0.1) | 14.91 (0.1) | 14.91 (0.1) | 14.91 (0.1) | 14.79 | 14.79 (0.1) | 14.91 (0.1) | |||||||||||
Distance | [pc] | 67.63 (0.4) | 67.07 (0.5) | 67.08 (0.5) | 67.08 (0.5) | 67.63 | 67.63 (0.4) | 67.08 (0.5) | |||||||||||
Composition | H | H | H | H | H | ||||||||||||||
Proper motion (right ascension) | [mas/yr] | 2.399554875 (0.1) | 2.152324785 (0.2) | 2.4 (0.1) | 2.152 | ||||||||||||||
Proper motion (declination) | [mas/yr] | -38.40789085 (0.09) | -38.41724049 (0.1) | -38.408 (0.09) | -38.417 | ||||||||||||||
Variability | |||||||||||||||||||
Magnetic | |||||||||||||||||||
Bd | [MG] | ||||||||||||||||||
Infrared excess (disk) | |||||||||||||||||||
Binarity | |||||||||||||||||||
B magnitude | |||||||||||||||||||
V magnitude | |||||||||||||||||||
R magnitude | |||||||||||||||||||
I magnitude | |||||||||||||||||||
J magnitude | 16.86 (0.02) | 16.83 (0.2) | 16.83 (0.2) | ||||||||||||||||
H magnitude | |||||||||||||||||||
K magnitude | |||||||||||||||||||
u magnitude | 18.22 (0.01) | 18.22 (0.01) | 18.22 (0.01) | 18.22 (0.01) | 18.23 | 18.21 (0.02) | |||||||||||||
g magnitude | 17.69 (0.005) | 17.68 (0.003) | 17.69 (0.005) | 17.70 | 17.69 (0.01) | ||||||||||||||
r magnitude | 17.52 (0.005) | 17.53 (0.005) | 17.52 (0.005) | 17.51 | 17.53 (0.01) | ||||||||||||||
i magnitude | 17.46 (0.006) | 17.50 (0.005) | 17.46 (0.006) | 17.44 | 17.47 (0.01) | ||||||||||||||
z magnitude | 17.55 (0.02) | 17.53 (0.005) | 17.55 (0.02) | 17.48 | 17.55 (0.02) | ||||||||||||||
G magnitude | 17.49 (0.006) | 17.50 | 17.49 | 17.49 (0.003) | 17.50 | ||||||||||||||
BP magnitude | 17.69 (0.006) | 17.67 | 17.67 | ||||||||||||||||
RP magnitude | 17.18 (0.008) | 17.17 | 17.17 | ||||||||||||||||
Pan g magnitude | 17.68 (0.004) | 17.68 (0.003) | 17.68 (0.003) | ||||||||||||||||
Pan r magnitude | 17.53 (0.007) | 17.53 (0.006) | 17.53 (0.006) | ||||||||||||||||
Pan i magnitude | 17.50 (0.004) | 17.50 (0.005) | 17.50 (0.005) | ||||||||||||||||
Pan z magnitude | 17.53 (0.005) | 17.53 (0.005) | 17.53 (0.005) | ||||||||||||||||
Pan y magnitude | 17.58 (0.02) | 17.58 (0.01) | 17.58 (0.01) | ||||||||||||||||
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.