All names: SDSS J075543.38+414524.3, Gaia DR3 922450879444327680, SDSS J075543.38+414524.4, Gaia EDR3 922450879444327680, Gaia DR2 922450879444327680, SDSS J075543.39+414524.3
Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|
Right ascension | 07 55 43.39 (0.6) | 07 55 43.39 | 07 55 43.39 (0.8) | 07 55 43.39 (0.6) | 07 55 43.38 | ||
Declination | 41 45 24.26 (0.5) | 41 45 24.34 | 41 45 24.26 (0.8) | 41 45 24.27 (0.5) | 41 45 24.39 | ||
Spectral type | DA | DA | DA | ||||
Effective temperature | [K] | 22752.0 | 7952.0 (136) | ||||
log(g) | [cgs] | 8.04 | 5.15 (0.2) | ||||
Mass | [M☉] | 0.653 | 0.162 (0.001) | ||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | 0.0411 | |||||
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] | -0.36 (0.7) | -1.07 (1) | ||||
Distance | [pc] | ||||||
Composition | H | ||||||
Proper motion (right ascension) | [mas/yr] | 0.058930373 (0.7) | 0.187849403 (2) | 0.059 (0.7) | |||
Proper motion (declination) | [mas/yr] | -0.585358493 (0.5) | -1.716004121 (2) | -0.585 (0.5) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 21.93 (0.2) | 21.92 (0.2) | 21.88 (0.2) | ||||
g magnitude | 20.41 (0.02) | 20.41 (0.03) | 20.41 (0.03) | ||||
r magnitude | 20.45 (0.03) | 20.44 (0.03) | 20.42 (0.03) | ||||
i magnitude | 20.52 (0.05) | 20.51 (0.05) | 20.50 (0.05) | ||||
z magnitude | 21.50 (0.4) | 21.50 (0.4) | 21.49 (0.4) | ||||
G magnitude | 20.37 (0.09) | 20.41 | 20.37 (0.007) | ||||
BP magnitude | 20.63 (0.09) | 20.40 | |||||
RP magnitude | 20.18 (0.1) | 20.11 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) |
* 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.