All names: SDSS J235545.28+370553.8, SDSS J235545.28+370553.7, GALEX J235545.2+370553, Gaia DR2 2880412124777136128, SDSS J235545.27+370553.7, Gaia EDR3 2880412124777836672, Gaia DR3 2880412124777836672
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 55 45.27 (0.4) | 23 55 45.28 | 23 55 45.28 (0.7) | 23 55 45.28 (0.4) | 23 55 45.28 | |||||
Declination | 37 05 53.58 (0.3) | 37 05 53.77 | 37 05 53.58 (0.3) | 37 05 53.77 (0.3) | 37 05 53.76 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 36451.0 (1093) | 37306.0 (884) | |||||||
log(g) | [cgs] | 7.92 (0.2) | 7.90 (0.1) | |||||||
Mass | [M☉] | 0.62 (0.08) | 0.611 (0.06) | |||||||
log(Luminosity) | [L☉] | -0.49 (0.1) | ||||||||
Cooling age | [Gyr] | 0.0048 (0.0004) | ||||||||
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] | 0.82 (0.5) | 0.47 (0.8) | 0.82 (0.5) | ||||||
Distance | [pc] | 1220.93 (768) | 2126.78 (3414) | 1220.85 (768) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -5.507259763 (0.5) | -4.603806799 (1) | -5.507 (0.5) | ||||||
Proper motion (declination) | [mas/yr] | -12.39649536 (0.3) | -11.54801607 (0.5) | -12.396 (0.3) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 19.49 (0.03) | 19.46 (0.04) | 19.46 (0.04) | |||||||
g magnitude | 19.68 (0.02) | 19.70 (0.02) | 19.70 (0.02) | |||||||
r magnitude | 20.03 (0.02) | 20.04 (0.03) | 20.04 (0.03) | |||||||
i magnitude | 20.27 (0.03) | 20.32 (0.06) | 20.32 (0.06) | |||||||
z magnitude | 20.53 (0.1) | 20.37 (0.1) | 20.37 (0.1) | |||||||
G magnitude | 19.89 (0.04) | 19.92 | 19.89 (0.005) | |||||||
BP magnitude | 19.77 (0.04) | 19.74 | ||||||||
RP magnitude | 20.05 (0.08) | 20.14 | ||||||||
Pan g magnitude | 19.73 (0.02) | |||||||||
Pan r magnitude | 20.03 (0.02) | |||||||||
Pan i magnitude | 20.30 (0.02) | |||||||||
Pan z magnitude | 20.50 (0.05) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.077 |
* 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.