All names: SDSS J114701.77-023640.8, Gaia DR2 3792771205465012352, LBQS 1144-0220, Gaia DR3 3792771205465012352, Gaia EDR3 3792771205465012352, WD 1144-023
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 47 01.76 (0.2) | 11 47 01.76 (0.2) | 11 47 01.76 | 11 47 01.77 (0.2) | 11 47 01.58 | ||||
Declination | -02 36 41.17 (0.1) | -02 36 41.16 (0.1) | -02 36 41.17 | -02 36 40.91 (0.1) | -02 36 40.32 | ||||
Spectral type | DA | DA | DA | DA | |||||
Effective temperature | [K] | 23289.0 | 22905.0 (1743) | ||||||
log(g) | [cgs] | 8.14 | 8.11 (0.09) | ||||||
Mass | [M☉] | 0.71 | 0.695 (0.07) | ||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | 0.0490 | |||||||
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] | 3.26 (0.2) | 3.21 (0.2) | 3.26 | 3.26 (0.2) | ||||
Distance | [pc] | 306.42 (17) | 311.56 (22) | 306.42 | 306.42 (17) | ||||
Composition | H | ||||||||
Proper motion (right ascension) | [mas/yr] | -8.260556344 (0.2) | -8.364501589 (0.4) | -8.261 (0.2) | |||||
Proper motion (declination) | [mas/yr] | -16.089457 (0.1) | -16.17554488 (0.2) | -16.089 (0.1) | |||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 17.88 (0.01) | ||||||||
g magnitude | 17.95 (0.006) | ||||||||
r magnitude | 18.35 (0.008) | ||||||||
i magnitude | 18.69 (0.01) | ||||||||
z magnitude | 19.10 (0.05) | ||||||||
G magnitude | 18.18 (0.02) | 18.22 | 18.18 | 18.18 (0.003) | |||||
BP magnitude | 18.11 (0.02) | 18.06 | |||||||
RP magnitude | 18.40 (0.03) | 18.44 | |||||||
Pan g magnitude | 18.02 (0.009) | ||||||||
Pan r magnitude | 18.37 (0.008) | ||||||||
Pan i magnitude | 18.74 (0.01) | ||||||||
Pan z magnitude | 19.01 (0.01) | ||||||||
Pan y magnitude | 19.16 (0.04) | ||||||||
E(B-V) | 0.022 |
* 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.