All names: Gaia DR3 1442682473959723392, Gaia DR2 1442682473959723392, SDSS J132048.83+221210.9, SDSS J132048.84+221210.98, Gaia EDR3 1442682473959723392, SDSS J132048.84+221210.9, GALEX J132048.8+221211
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Genest-Beaulieu & Bergeron 2019 (spectroscopic) | Genest-Beaulieu & Bergeron 2019 (photometric) | MWDD HE | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 13 20 48.81 (0.4) | 13 20 48.83 | 13 20 48.81 (0.4) | 13 20 48.84 (0.4) | ||||||||
Declination | 22 12 10.80 (0.2) | 22 12 10.97 | 22 12 10.81 (0.4) | 22 12 11.01 (0.2) | ||||||||
Spectral type | DB: | DB: | DC | DB: | ||||||||
Effective temperature | [K] | 14169.0 | 11935.0 | 11337.0 | 15158.0 (1000) | |||||||
log(g) | [cgs] | 9.32 | 8.66 | 8.62 | 8.45 (0.05) | |||||||
Mass | [M☉] | 1.302 | 1.007 | 0.98 | 0.8690000000000001 (0.04) | |||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 1.2930 | ||||||||||
log(H/He) | <-6.067 | |||||||||||
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] | 3.89 (0.5) | 3.96 (0.6) | 3.89 (0.5) | ||||||||
Distance | [pc] | 257.34 (33) | 252.37 (36) | 257.35 (33) | ||||||||
Composition | He | |||||||||||
Proper motion (right ascension) | [mas/yr] | -27.53516386 (0.5) | -27.78797442 (1) | -27.535 (0.5) | ||||||||
Proper motion (declination) | [mas/yr] | -13.17925897 (0.3) | -12.39460032 (0.8) | -13.179 (0.3) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 19.91 (0.04) | 19.91 (0.04) | 19.91 (0.04) | |||||||||
g magnitude | 19.86 (0.01) | 19.86 (0.01) | 19.86 (0.01) | |||||||||
r magnitude | 20.03 (0.02) | 20.03 (0.02) | 20.04 (0.02) | |||||||||
i magnitude | 20.22 (0.03) | 20.22 (0.03) | 20.22 (0.03) | |||||||||
z magnitude | 20.54 (0.2) | 20.54 (0.1) | 20.54 (0.2) | |||||||||
G magnitude | 19.92 (0.05) | 19.97 | 19.92 (0.005) | |||||||||
BP magnitude | 20.00 (0.05) | 19.99 | ||||||||||
RP magnitude | 19.92 (0.08) | 19.99 | ||||||||||
Pan g magnitude | 19.90 (0.01) | |||||||||||
Pan r magnitude | 20.01 (0.01) | |||||||||||
Pan i magnitude | 20.24 (0.01) | |||||||||||
Pan z magnitude | 20.41 (0.03) | |||||||||||
Pan y magnitude | 20.08 (0.3) | |||||||||||
E(B-V) | 0.020 |
* 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.