All names: SDSS J161654.77+171512.1, Gaia DR3 1198778973505986816, SDSS J161654.76+171512.1, Gaia EDR3 1198778973505986816, Gaia DR2 1198778973505986816, GALEX J161654.7+171511
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 16 54.76 (0.2) | 16 16 54.76 | 16 16 54.76 (0.3) | 16 16 54.77 (0.2) | 16 16 54.77 | |||||
Declination | 17 15 11.94 (0.2) | 17 15 12.12 | 17 15 11.95 (0.2) | 17 15 12.16 (0.2) | 17 15 12.12 | |||||
Spectral type | DA | DA | DA | DA | ||||||
Effective temperature | [K] | 12311.0 | 13714.0 (410) | |||||||
log(g) | [cgs] | 7.77 | 8.21 (0.1) | |||||||
Mass | [M☉] | 0.481 | 0.729 (0.08) | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 0.2573 | ||||||||
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] | 2.82 (0.3) | 2.41 (0.4) | 2.82 (0.3) | ||||||
Distance | [pc] | 354.39 (38) | 414.13 (70) | 354.38 (38) | ||||||
Composition | H | |||||||||
Proper motion (right ascension) | [mas/yr] | -8.705363897 (0.3) | -8.562150583 (0.6) | -8.705 (0.3) | ||||||
Proper motion (declination) | [mas/yr] | -13.44138224 (0.3) | -13.04610768 (0.5) | -13.441 (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 | 19.66 (0.03) | 19.66 (0.03) | 19.69 (0.04) | |||||||
g magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.31 (0.02) | |||||||
r magnitude | 19.53 (0.01) | 19.53 (0.01) | 19.54 (0.02) | |||||||
i magnitude | 19.71 (0.02) | 19.71 (0.02) | 19.72 (0.02) | |||||||
z magnitude | 19.99 (0.09) | 19.98 (0.09) | 19.98 (0.09) | |||||||
G magnitude | 19.41 (0.03) | 19.46 | 19.41 (0.004) | |||||||
BP magnitude | 19.45 (0.03) | 19.39 | ||||||||
RP magnitude | 19.39 (0.05) | 19.39 | ||||||||
Pan g magnitude | 19.33 (0.007) | |||||||||
Pan r magnitude | 19.54 (0.009) | |||||||||
Pan i magnitude | 19.78 (0.01) | |||||||||
Pan z magnitude | 19.98 (0.03) | |||||||||
Pan y magnitude | 19.88 (0.2) | |||||||||
E(B-V) | 0.045 |
* 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.