All names: WD 2126-007, SDSS J212930.25-003411.5, SDSS J212930.25-003415.4, Gaia DR2 2687584757658775424, Gaia EDR3 2687584757658775424, WDJ212930.25-003410.83, Gaia DR3 2687584757658775424, SDSS J212930.25-003412.4
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 29 30.25 (0.5) | 21 29 30.25 (0.7) | 21 29 30.25 (0.5) | 21 29 30.25 | 21 29 30.26 | ||||
Declination | -00 34 17.65 (0.4) | -00 34 17.44 (0.6) | -00 34 10.84 (0.4) | -00 34 17.44 | -00 34 07.68 | ||||
Spectral type | DAB13.4 | DC | DAB13.4 | ||||||
Effective temperature | [K] | 4257.0 | |||||||
log(g) | [cgs] | 7.80 | |||||||
Mass | [M☉] | 0.464 | |||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | 6.3140 | |||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
log(C/H) | |||||||||
log(N/H) | |||||||||
log(O/H) | |||||||||
log(Na/H) | |||||||||
log(Mg/H) | |||||||||
log(Al/H) | |||||||||
log(Si/H) | |||||||||
log(P/H) | |||||||||
log(S/H) | |||||||||
log(Sc/H) | |||||||||
log(Ti/H) | |||||||||
log(Cr/H) | |||||||||
log(Mn/H) | |||||||||
log(Fe/H) | |||||||||
log(Ni/H) | |||||||||
Parallax | [mas] | 9.64 (0.7) | 10.24 (0.8) | 9.64 (0.7) | 10.24 (0.8) | ||||
Distance | [pc] | 103.78 (7) | 97.61 (8) | 103.78 (7) | 97.61 (8) | ||||
Composition | H | ||||||||
Proper motion (right ascension) | [mas/yr] | 2.996510764 (0.7) | 1.808172812 (1) | 2.997 (0.7) | 1.808172812 | ||||
Proper motion (declination) | [mas/yr] | -426.07037 (0.5) | -426.3255182 (1) | -426.07 (0.5) | -426.3255182 | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 23.69 (0.6) | 24.59 (1) | 21.24 | ||||||
g magnitude | 21.21 (0.04) | 21.22 (0.04) | 21.24 | ||||||
r magnitude | 20.25 (0.03) | 20.27 (0.03) | |||||||
i magnitude | 19.87 (0.03) | 19.89 (0.03) | |||||||
z magnitude | 19.90 (0.09) | 19.87 (0.1) | |||||||
G magnitude | 20.30 (0.09) | 20.34 | 20.30 (0.006) | 20.34 | |||||
BP magnitude | 21.03 (0.09) | 21.25 | 21.25 | ||||||
RP magnitude | 19.71 (0.07) | 19.67 | 19.67 | ||||||
Pan g magnitude | 21.17 (0.04) | ||||||||
Pan r magnitude | 20.26 (0.01) | ||||||||
Pan i magnitude | 19.93 (0.02) | ||||||||
Pan z magnitude | 19.71 (0.03) | ||||||||
Pan y magnitude | 19.66 (0.02) | ||||||||
E(B-V) | 0.006 |
* 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.