All names: CSO 1099, SDSS J153204.36+324152.6, SDSSJ153204.35+324152.7, SDSS J153204.36+324152.66, Gaia EDR3 1277517337632992896, SDSS J153204.35+324152.7, Gaia DR3 1277517337632992896, Gaia DR2 1277517337632992896, SDSS J153204.35+324152.6, LAMOST J153204.35+324152.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad | Eisenstein et al. 2006 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 32 04.36 (0.06) | 15 32 04.36 | 15 32 04.36 | 15 32 04.35 | 15 32 04.36 (0.08) | 15 32 04.36 (0.06) | 15 32 04.36 | ||||
Declination | 32 41 52.69 (0.09) | 32 41 52.72 | 32 41 52.72 | 32 41 52.70 | 32 41 52.69 (0.1) | 32 41 52.73 (0.09) | 32 41 52.70 | ||||
Spectral type | He-sdOB | He-sdB | sdO | SDO | |||||||
Effective temperature | [K] | 39516.0 (1014) | 46069.0 (1221) | 38889.0 (1230) | |||||||
log(g) | [cgs] | 5.83 (0.2) | 5.53 (0.08) | 5.58 (0.2) | |||||||
Mass | [M☉] | ||||||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | ||||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 0.43 (0.1) | 0.25 (0.1) | 0.25 (0.1) | 0.43 (0.1) | ||||||
Distance | [pc] | 2320.05 (544) | 3969.83 (2176) | 3969.16 (2176) | 2320.19 (544) | ||||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | -6.945075104 (0.08) | -6.823 (0.2) | -6.822711289 (0.2) | -6.945 (0.08) | -0.5 | |||||
Proper motion (declination) | [mas/yr] | -2.194143362 (0.1) | -2.084 (0.3) | -2.084286396 (0.3) | -2.194 (0.1) | -4.0 | |||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | |||||||||||
V magnitude | |||||||||||
R magnitude | |||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 17.38 (0.009) | 17.38 (0.009) | 17.39 (0.009) | 17.40 (0.02) | 17.39 (0.009) | 17.40 (0.01) | |||||
g magnitude | 17.76 (0.005) | 17.76 (0.005) | 17.76 (0.005) | 17.79 (0.02) | 17.76 (0.005) | 17.79 (0.01) | |||||
r magnitude | 18.24 (0.007) | 18.24 (0.007) | 18.24 (0.007) | 18.22 (0.02) | 18.24 (0.007) | 18.28 (0.01) | |||||
i magnitude | 18.66 (0.01) | 18.66 (0.01) | 18.66 (0.01) | 18.66 (0.02) | 18.66 (0.01) | 18.64 (0.02) | |||||
z magnitude | 18.97 (0.04) | 18.97 (0.04) | 18.97 (0.04) | 18.98 (0.04) | 18.97 (0.04) | 18.96 (0.04) | |||||
G magnitude | 18.01 (0.009) | 18.04 (0.002) | 18.04 | 18.01 (0.003) | |||||||
BP magnitude | 17.87 (0.009) | 17.80 (0.01) | 17.80 | ||||||||
RP magnitude | 18.32 (0.02) | 18.33 (0.01) | 18.33 | ||||||||
Pan g magnitude | 17.84 (0.003) | 17.84 (0.003) | |||||||||
Pan r magnitude | 18.27 (0.004) | 18.27 (0.004) | |||||||||
Pan i magnitude | 18.66 (0.005) | 18.66 (0.005) | |||||||||
Pan z magnitude | 18.92 (0.02) | 18.92 (0.02) | |||||||||
Pan y magnitude | 19.14 (0.03) | 19.14 (0.03) | |||||||||
E(B-V) | 0.026 |
* 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.