All names: TIC 241487227, SDSS J014008.99-001243.8, SDSS J014009.00-001243.5, SDSS J014009.00-001243.4, WD 0137-004, Gaia DR2 2509809081955514368, SDSS J014009.01-001243.5, Gaia EDR3 2509809081955514368, SDSS J014009.00-001243.6, Gaia DR3 2509809081955514368, 2MASS J01400900-0012434
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 01 40 09.00 (0.3) | 01 40 09.00 | 01 40 09.00 (0.4) | 01 40 09.01 (0.3) | 01 40 09.00 | 01 40 08.59 | 01 40 09.01 | |||
Declination | -00 12 43.84 (0.2) | -00 12 43.56 | -00 12 43.83 (0.3) | -00 12 43.50 (0.2) | -00 12 43.58 | -00 12 37.44 | -00 12 43.47 | |||
Spectral type | DA+M | DA:+M | DA: dM | DA:M | ||||||
Effective temperature | [K] | 6304.0 (9) | 6301.0 (5) | |||||||
log(g) | [cgs] | 7.62 (0.9) | 9.92 (0.6) | |||||||
Mass | [M☉] | |||||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | |||||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 0.44 (0.3) | 1.24 (0.5) | 0.44 (0.3) | ||||||
Distance | [pc] | 2281.05 (1430) | 804.22 (315) | 2281.02 (1430) | ||||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | -10.43975117 (0.4) | -9.58621203 (0.7) | -10.44 (0.4) | -16.9 | |||||
Proper motion (declination) | [mas/yr] | -21.71107657 (0.2) | -21.90884047 (0.5) | -21.711 (0.2) | -24.0 | |||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | WDMS | |||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | 16.79 (0.02) | |||||||||
H magnitude | 16.27 (0.02) | |||||||||
K magnitude | 16.04 (0.03) | |||||||||
u magnitude | 21.03 (0.07) | 21.07 (0.1) | 21.09 (0.1) | 21.09 | 21.13 (0.1) | |||||
g magnitude | 20.33 (0.02) | 20.14 (0.02) | 20.19 (0.02) | 20.19 | 20.20 (0.02) | |||||
r magnitude | 19.36 (0.01) | 19.33 (0.01) | 19.37 (0.02) | 19.37 | 19.36 (0.02) | |||||
i magnitude | 18.56 (0.01) | 18.54 (0.01) | 18.59 (0.02) | 18.59 | 18.58 (0.02) | |||||
z magnitude | 18.08 (0.02) | 18.07 (0.02) | 18.09 (0.03) | 18.09 | 18.09 (0.03) | |||||
G magnitude | 19.18 (0.05) | 19.22 | 19.18 (0.004) | |||||||
BP magnitude | 20.04 (0.05) | 20.02 | ||||||||
RP magnitude | 18.20 (0.02) | 18.21 | ||||||||
Pan g magnitude | 20.16 (0.02) | |||||||||
Pan r magnitude | 19.41 (0.01) | |||||||||
Pan i magnitude | 18.61 (0.007) | |||||||||
Pan z magnitude | 18.21 (0.006) | |||||||||
Pan y magnitude | 18.01 (0.01) | |||||||||
E(B-V) | 0.027 |
* 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.