All names: Gaia EDR3 579381093842430464, SDSS J091655.31+041133.0, Gaia DR2 579381093842430464, Gaia DR3 579381093842430464, HS 0914+0424, GALEX J091655.3+041132, [BGK2006] J091655.32+041133.0
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Mukadam et al. 2004 | Vincent et al. 2024 | Simbad |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 16 55.37 (0.06) | 09 16 55.37 (0.1) | 09 16 55.37 | 09 16 55.31 (0.06) | ||||||
Declination | 04 11 32.04 (0.06) | 04 11 32.07 (0.09) | 04 11 32.04 | 04 11 33.07 (0.06) | ||||||
Spectral type | None | None | DA | DA | ||||||
Effective temperature | [K] | 14543.0 | 16284.0 | 13000.0 | 16425.0 (396) | |||||
log(g) | [cgs] | 7.37 | 7.57 | 7.51 (0.03) | ||||||
Mass | [M☉] | 0.33 | 0.382 | 0.384 (0.01) | ||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.1047 | 0.0833 | |||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 5.23 (0.07) | 5.23 (0.1) | 5.23 | 5.23 (0.07) | |||||
Distance | [pc] | 191.24 (3) | 191.29 (4) | 191.24 | 191.24 (3) | |||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | 56.46664046 (0.08) | 56.8363207 (0.3) | 56.467 (0.08) | ||||||
Proper motion (declination) | [mas/yr] | -64.83583474 (0.06) | -64.71869575 (0.2) | -64.836 (0.06) | ||||||
Variability | NOV | |||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 16.99 (0.008) | |||||||||
g magnitude | 16.71 (0.006) | |||||||||
r magnitude | 17.03 (0.006) | |||||||||
i magnitude | 17.27 (0.008) | |||||||||
z magnitude | 17.56 (0.02) | |||||||||
G magnitude | 16.87 (0.009) | 16.90 | 16.87 | 16.87 (0.003) | ||||||
BP magnitude | 16.84 (0.009) | 16.84 | ||||||||
RP magnitude | 16.98 (0.01) | 16.99 | ||||||||
Pan g magnitude | 16.74 (0.003) | |||||||||
Pan r magnitude | 17.04 (0.003) | |||||||||
Pan i magnitude | 17.30 (0.002) | |||||||||
Pan z magnitude | 17.55 (0.003) | |||||||||
Pan y magnitude | 17.69 (0.009) | |||||||||
E(B-V) | 0.013 |
* 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.