All names: USNO-B1.0 0840-00212236, Gaia DR3 3776038764499301120, UCAC4 421-053691, 2MASS J10290201-0554277, WD 1026-056, Gaia EDR3 3776038764499301120, TIC 36977116, Gaia DR2 3776038764499301120, GALEX J102902.1-055428, PG 1026-057
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Bergeron et al. 2011 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 10 29 02.10 (0.06) | 10 29 02.10 (0.1) | 10 29 02.10 | 10 29 02.05 (0.06) | 10 29 01.10 | |||
Declination | -05 54 28.99 (0.06) | -05 54 28.95 (0.1) | -05 54 28.99 | -05 54 27.79 (0.06) | -05 54 22.32 | |||
Spectral type | DB | DB | DB3 | DB3 | ||||
Effective temperature | [K] | 17650.0 (427) | 16774.0 (550) | |||||
log(g) | [cgs] | 8.08 (0.06) | 7.89 (0.04) | |||||
Mass | [M☉] | 0.64 (0.04) | 0.531 (0.03) | |||||
log(Luminosity) | [L☉] | -1.89 | ||||||
Cooling age | [Gyr] | 0.1413 | ||||||
log(H/He) | <-4.93 (0.2) | |||||||
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] | 7.33 (0.06) | 7.32 (0.2) | 7.33 | 7.33 (0.06) | |||
Distance | [pc] | 136.51 (1) | 136.63 (3) | 153.00 | 136.51 | 136.51 (1) | ||
Composition | He | |||||||
Proper motion (right ascension) | [mas/yr] | 52.77676185 (0.07) | 52.99552047 (0.2) | 52.777 (0.07) | ||||
Proper motion (declination) | [mas/yr] | -75.0633228 (0.06) | -75.0276134 (0.2) | -75.063 (0.06) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | ||||||||
B magnitude | 16.40 | |||||||
V magnitude | 16.94 | 16.94 | ||||||
R magnitude | 16.32 | |||||||
I magnitude | ||||||||
J magnitude | 16.97 (0.1) | |||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | ||||||||
g magnitude | ||||||||
r magnitude | ||||||||
i magnitude | ||||||||
z magnitude | ||||||||
G magnitude | 16.50 (0.004) | 16.53 | 16.50 | 16.50 (0.003) | ||||
BP magnitude | 16.45 (0.004) | 16.42 | ||||||
RP magnitude | 16.65 (0.007) | 16.65 | ||||||
Pan g magnitude | ||||||||
Pan r magnitude | ||||||||
Pan i magnitude | ||||||||
Pan z magnitude | ||||||||
Pan y magnitude | ||||||||
E(B-V) | 0.007 |
* 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.