All names: SDSS J105211.30+274742.9, LAMOST J105211.30+274743.0, Gaia DR2 731304429382989824, Gaia EDR3 731304429382989824, GALEX J105211.3+274742, SDSS J105211.31+274742.9, SDSS J105211.31+274743.1, SDSS J105211.30+274743.0, Gaia DR3 731304429382989824
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 10 52 11.31 (0.1) | 10 52 11.31 | 10 52 11.31 (0.2) | 10 52 11.31 | 10 52 11.30 (0.1) | 10 52 11.31 | |||||||
Declination | 27 47 42.88 (0.1) | 27 47 43.06 | 27 47 42.89 (0.2) | 27 47 42.88 | 27 47 43.13 (0.1) | 27 47 43.06 | |||||||
Spectral type | DA | DA | DAZ? | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 30685.0 (191) | 27225.0 | 31195.0 (246) | 46501.0 (13064) | 29947.0 (302) | |||||||
log(g) | [cgs] | 7.92 (0.05) | 8.03 | 7.76 (0.06) | 8.35 (0.2) | 8.12 (0.07) | |||||||
Mass | [M☉] | 0.6 (0.02) | 0.654 | 0.53 (0.03) | 0.873 (0.1) | 0.705 (0.04) | |||||||
log(Luminosity) | [L☉] | -0.80 (0.03) | |||||||||||
Cooling age | [Gyr] | 0.0083 (0.0002) | 0.0150 | ||||||||||
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] | 2.31 (0.2) | 2.65 (0.3) | 2.31 | 2.31 (0.2) | ||||||||
Distance | [pc] | 432.98 (28) | 376.98 (38) | 432.98 | 432.98 (28) | ||||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 2.408602277 (0.1) | 1.998829241 (0.3) | 2.409 (0.1) | |||||||||
Proper motion (declination) | [mas/yr] | -15.7662968 (0.1) | -15.89509565 (0.4) | -15.766 (0.1) | |||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | |||||||||||||
B magnitude | |||||||||||||
V magnitude | |||||||||||||
R magnitude | |||||||||||||
I magnitude | |||||||||||||
J magnitude | |||||||||||||
H magnitude | |||||||||||||
K magnitude | |||||||||||||
u magnitude | 17.60 (0.01) | 17.60 (0.01) | 17.61 (0.01) | ||||||||||
g magnitude | 17.87 (0.006) | 17.87 (0.006) | 17.88 (0.03) | ||||||||||
r magnitude | 18.31 (0.008) | 18.31 (0.008) | 18.30 (0.02) | ||||||||||
i magnitude | 18.68 (0.01) | 18.68 (0.01) | 18.68 (0.02) | ||||||||||
z magnitude | 18.99 (0.05) | 18.99 (0.05) | 18.98 (0.05) | ||||||||||
G magnitude | 18.10 (0.03) | 18.12 | 18.10 | 18.10 (0.003) | |||||||||
BP magnitude | 17.96 (0.03) | 17.89 | |||||||||||
RP magnitude | 18.42 (0.05) | 18.38 | |||||||||||
Pan g magnitude | 17.91 (0.01) | ||||||||||||
Pan r magnitude | 18.33 (0.01) | ||||||||||||
Pan i magnitude | 18.68 (0.006) | ||||||||||||
Pan z magnitude | 18.98 (0.02) | ||||||||||||
Pan y magnitude | 19.14 (0.03) | ||||||||||||
E(B-V) | 0.019 |
* 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.