All names: SDSS J092655.16+442154.9, USNO-B1.0 1343-00211781, Gaia DR3 818250334278307456, LSPM J0926+4421, Gaia DR2 818250334278307456, SDSS J092655.16+442155.0, NLTT 21750, Gaia EDR3 818250334278307456, LP 211-6, GALEX J092655.2+442154, WDJ092655.13+442155.52
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 26 55.37 (0.1) | 09 26 55.36 | 09 26 55.37 | 09 26 55.13 (0.1) | 09 26 55.36 | ||||||
Declination | 44 21 51.43 (0.08) | 44 21 51.56 | 44 21 51.43 | 44 21 55.52 (0.08) | 44 21 51.56 | ||||||
Spectral type | DC | DC | DC | ||||||||
Effective temperature | [K] | 6096.0 | 5845.0 | 5473.0 (130) | |||||||
log(g) | [cgs] | 8.07 | 7.92 | 7.85 (0.03) | |||||||
Mass | [M☉] | 0.629 | 0.521 | 0.485 (0.03) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 2.5000 | 2.4390 | ||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 14.51 (0.1) | 14.59 (0.2) | 14.51 | 14.51 (0.1) | 14.59 (0.2) | |||||
Distance | [pc] | 68.93 (0.6) | 68.56 (0.9) | 68.93 | 68.93 (0.6) | 68.56 (0.9) | |||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | 160.7324933 (0.1) | 160.8432217 (0.2) | 160.732 (0.1) | 160.8432217 | ||||||
Proper motion (declination) | [mas/yr] | -255.6163526 (0.1) | -255.7629721 (0.2) | -255.616 (0.1) | -255.7629721 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 18.70 | ||||||||||
V magnitude | |||||||||||
R magnitude | 17.90 | ||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 19.31 (0.02) | 19.31 (0.03) | |||||||||
g magnitude | 18.55 (0.008) | 18.53 (0.008) | |||||||||
r magnitude | 18.20 (0.008) | 18.19 (0.007) | |||||||||
i magnitude | 18.11 (0.009) | 18.07 (0.008) | |||||||||
z magnitude | 18.10 (0.02) | 18.09 (0.02) | |||||||||
G magnitude | 18.22 (0.02) | 18.24 | 18.22 | 18.22 (0.003) | 18.24 | ||||||
BP magnitude | 18.49 (0.02) | 18.50 | 18.50 | ||||||||
RP magnitude | 17.80 (0.01) | 17.81 | 17.81 | ||||||||
Pan g magnitude | 18.55 (0.007) | ||||||||||
Pan r magnitude | 18.21 (0.005) | ||||||||||
Pan i magnitude | 18.11 (0.005) | ||||||||||
Pan z magnitude | 18.12 (0.007) | ||||||||||
Pan y magnitude | 18.12 (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.