All names: 2MASS J20053949-1125162, TIC 70938253, Gaia DR2 4190648488914633344, Gaia EDR3 4190648488914633344, SDSS J200539.49-112516.6
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
---|---|---|---|---|---|---|---|---|
Right ascension | 20 05 39.47 (0.2) | 20 05 39.49 | 20 05 39.47 (0.2) | 20 05 39.49 | 20 05 39.49 (121) | |||
Declination | -11 25 16.77 (0.1) | -11 25 16.68 | -11 25 16.76 (0.1) | -11 25 16.64 | -11 25 16.68 (91) | |||
Spectral type | WD+M | M3V | ||||||
Effective temperature | [K] | |||||||
log(g) | [cgs] | |||||||
Mass | [M☉] | |||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 3.13 (0.2) | 2.77 (0.2) | |||||
Distance | [pc] | 319.13 (20) | 360.48 (30) | |||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -30.31742177 (0.2) | -30.98499565 (0.4) | |||||
Proper motion (declination) | [mas/yr] | -28.9639486 (0.1) | -28.92034205 (0.2) | |||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | WDMS | |||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 14.88 (0.04) | |||||||
H magnitude | 14.30 (0.04) | |||||||
K magnitude | 14.00 (0.06) | |||||||
u magnitude | 20.95 (0.1) | 21.20 | 21.16 (0.2) | |||||
g magnitude | 19.28 (0.01) | 19.33 | 19.27 (0.01) | |||||
r magnitude | 18.07 (0.007) | 18.14 | 18.05 (0.007) | |||||
i magnitude | 16.95 (0.006) | 17.02 | 16.96 (0.006) | |||||
z magnitude | 16.27 (0.009) | 16.32 | 16.27 (0.009) | |||||
G magnitude | 17.84 (0.02) | 17.83 | ||||||
BP magnitude | 18.85 (0.02) | 18.82 | ||||||
RP magnitude | 16.52 (0.004) | 16.53 | ||||||
Pan g magnitude | 19.17 (0.007) | |||||||
Pan r magnitude | 18.12 (0.006) | |||||||
Pan i magnitude | 17.01 (0.003) | |||||||
Pan z magnitude | 16.48 (0.004) | |||||||
Pan y magnitude | 16.19 (0.007) | |||||||
E(B-V) | 0.141 |
* 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.