All names: SDSS J142457.04-215752.9, SDSS J142457.05-215752.9, TIC 203304324, GALEX J142457.0-215753, Gaia DR2 6276531959309133056, 2MASS J14245701-2157528, SDSSJ142457.04-215752.9, Gaia DR3 6276531959309133056
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 14 24 57.05 | 14 24 57.06 (0.09) | ||
Declination | -21 57 52.90 | -21 57 52.83 (0.09) | ||
Spectral type | sd | sd+F/G | ||
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] | 0.39 (0.2) | 0.39 (0.1) | |
Distance | [pc] | 2594.03 (1447) | 2586.65 (778) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -7.299 (0.3) | -7.263 (0.1) | |
Proper motion (declination) | [mas/yr] | -2.207 (0.3) | -2.278 (0.1) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | ||||
V magnitude | ||||
R magnitude | ||||
I magnitude | ||||
J magnitude | 16.56 (0.1) | 16.56 (0.1) | ||
H magnitude | 16.47 (0.2) | 16.47 (0.2) | ||
K magnitude | 16.74 | |||
u magnitude | 18.00 (0.02) | 17.80 (0.02) | ||
g magnitude | 17.62 (0.006) | 17.49 (0.01) | ||
r magnitude | 17.36 (0.005) | 17.36 (0.01) | ||
i magnitude | 17.31 (0.007) | 17.29 (0.02) | ||
z magnitude | 17.30 (0.02) | 17.27 (0.02) | ||
G magnitude | 17.26 (0.002) | 17.24 (0.003) | ||
BP magnitude | 17.42 (0.01) | |||
RP magnitude | 16.93 (0.01) | |||
Pan g magnitude | 17.41 (0.003) | |||
Pan r magnitude | 17.32 (0.005) | |||
Pan i magnitude | 17.28 (0.006) | |||
Pan z magnitude | 17.30 (0.005) | |||
Pan y magnitude | 17.29 (0.02) | |||
E(B-V) | 0.055 |
* 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.