All names: SDSS J155115.09+351526.9, Gaia EDR3 1372588264092937984, WD 1549+354, SDSS J155115.08+351526.8, SDSS J155115.09+351526.8, GALEX J155115.0+351527, Gaia DR3 1372588264092937984, Gaia DR2 1372588259797498240
Parameter | Unit | Gaia EDR3 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 51 15.08 (0.1) | 15 51 15.09 | 15 51 15.08 (0.2) | 15 51 15.08 | 15 51 15.09 (0.1) | 15 51 15.09 | 15 51 14.81 | 15 51 15.09 | ||||
Declination | 35 15 26.97 (0.1) | 35 15 26.84 | 35 15 26.96 (0.2) | 35 15 26.97 | 35 15 26.81 (0.1) | 35 15 26.87 | 35 15 20.88 | 35 15 26.87 | ||||
Spectral type | DA | DA | DA | DA_auto | DA | DA | DA | |||||
Effective temperature | [K] | 8150.0 | 7753.0 (233) | 8045.0 (65) | 7499.0 (69) | |||||||
log(g) | [cgs] | 7.98 | 7.83 (0.07) | 8.53 (0.1) | 7.61 (0.2) | |||||||
Mass | [M☉] | 0.584 | 0.499 (0.05) | 0.423 (0.08) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.9959 | ||||||||||
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] | 5.82 (0.2) | 5.60 (0.2) | 5.82 | 5.82 (0.2) | |||||||
Distance | [pc] | 171.77 (5) | 178.57 (7) | 171.77 | 171.77 (5) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -7.105750162 (0.2) | -7.089536406 (0.4) | -7.106 (0.2) | -15.2 | |||||||
Proper motion (declination) | [mas/yr] | 9.543971152 (0.2) | 9.982311896 (0.4) | 9.544 (0.2) | -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 | 19.77 (0.03) | 19.77 (0.03) | 19.70 (0.04) | 19.70 | 19.71 (0.04) | |||||||
g magnitude | 19.23 (0.01) | 19.23 (0.01) | 19.20 (0.02) | 19.20 | 19.21 (0.02) | |||||||
r magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.12 (0.03) | 19.12 | 19.13 (0.03) | |||||||
i magnitude | 19.15 (0.01) | 19.15 (0.01) | 19.14 (0.07) | 19.14 | 19.15 (0.07) | |||||||
z magnitude | 19.34 (0.05) | 19.34 (0.05) | 19.21 (0.1) | 19.21 | 19.22 (0.1) | |||||||
G magnitude | 19.04 (0.03) | 19.08 | 19.04 | 19.04 (0.004) | ||||||||
BP magnitude | 19.14 (0.03) | 19.17 | ||||||||||
RP magnitude | 18.54 (0.04) | 18.49 | ||||||||||
Pan g magnitude | ||||||||||||
Pan r magnitude | ||||||||||||
Pan i magnitude | ||||||||||||
Pan z magnitude | ||||||||||||
Pan y magnitude | ||||||||||||
E(B-V) | 0.019 |
* 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.