All names: TIC 1129123, Gaia EDR3 5178299819470927872, Gaia DR2 5178299819470927872, SDSS J022835.92-074032.3, [HHD2009] SDSS J0228-0740, SDSS J022835.93-074032.3, GALEX J022835.8-074031, SDSS J022835.91-074032.4, [SGR2010] J0228-0740, 2MASS J02283590-0740326, SDSS J022835.93-074032.4, Gaia DR3 5178299819470927872, WD 0226-078, WIRED J022835.92-074032.3
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 02 28 35.92 (0.2) | 02 28 35.92 | 02 28 35.92 (0.3) | 02 28 35.92 | 02 28 35.92 (0.2) | 02 28 35.92 | 02 28 34.27 | 02 28 35.93 | ||||||
Declination | -07 40 32.30 (0.2) | -07 40 32.41 | -07 40 32.31 (0.3) | -07 40 32.30 | -07 40 32.43 (0.2) | -07 40 32.35 | -07 40 25.68 | -07 40 32.39 | ||||||
Spectral type | DA+M | DA+M | DA | DA+M | DA+M | DA+M | DA+M | DA+MS | ||||||
Effective temperature | [K] | 6941.0 | 13904.0 (609) | 13680.0 (790) | 11608.0 (163) | 11470.0 (110) | ||||||||
log(g) | [cgs] | 6.16 | 7.69 (0.1) | 7.79 (0.09) | 7.14 (0.09) | 7.07 (0.07) | ||||||||
Mass | [M☉] | 0.051 | 0.45 (0.06) | 0.5 (0.04) | ||||||||||
log(Luminosity) | [L☉] | |||||||||||||
Cooling age | [Gyr] | 0.2291 | ||||||||||||
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] | 3.33 (0.2) | 3.79 (0.4) | 3.33 (0.2) | ||||||||||
Distance | [pc] | 300.65 (21) | 264.02 (28) | 505.00 (162) | 300.64 (21) | |||||||||
Composition | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 4.423231391 (0.3) | 3.547279291 (0.6) | 4.423 (0.3) | 4.8 | |||||||||
Proper motion (declination) | [mas/yr] | 7.967785825 (0.2) | 8.327477429 (0.5) | 7.968 (0.2) | 12.4 | |||||||||
Variability | ||||||||||||||
Magnetic | ||||||||||||||
Bd | [MG] | |||||||||||||
Infrared excess (disk) | ||||||||||||||
Binarity | WDMS | WDMS | WDMS | WDMS | ||||||||||
B magnitude | ||||||||||||||
V magnitude | ||||||||||||||
R magnitude | ||||||||||||||
I magnitude | ||||||||||||||
J magnitude | 16.57 (0.1) | |||||||||||||
H magnitude | 15.96 (0.2) | |||||||||||||
K magnitude | 15.35 (0.2) | |||||||||||||
u magnitude | 19.16 (0.02) | 19.15 | 19.15 (0.02) | 19.15 (0.03) | 19.13 | 19.13 (0.03) | ||||||||
g magnitude | 18.75 (0.008) | 18.76 | 18.76 (0.008) | 18.76 (0.04) | 18.77 | 18.75 (0.04) | ||||||||
r magnitude | 18.87 (0.01) | 18.87 | 18.87 (0.01) | 18.87 (0.02) | 18.87 | 18.86 (0.02) | ||||||||
i magnitude | 18.48 (0.01) | 18.51 | 18.48 (0.01) | 18.51 (0.03) | 18.51 | 18.51 (0.03) | ||||||||
z magnitude | 18.00 (0.02) | 17.96 | 18.01 (0.02) | 17.96 (0.03) | 17.97 | 17.97 (0.03) | ||||||||
G magnitude | 18.59 (0.03) | 18.61 | 18.59 (0.004) | |||||||||||
BP magnitude | 18.83 (0.03) | 18.84 | ||||||||||||
RP magnitude | 18.09 (0.02) | 18.05 | ||||||||||||
Pan g magnitude | 18.76 (0.009) | |||||||||||||
Pan r magnitude | 18.85 (0.01) | |||||||||||||
Pan i magnitude | 18.51 (0.006) | |||||||||||||
Pan z magnitude | 18.08 (0.007) | |||||||||||||
Pan y magnitude | 17.79 (0.03) | |||||||||||||
E(B-V) | 0.024 |
* 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.