All names: Gaia DR2 2681285655544298496, Gaia DR3 2681285655544298496, SDSS J214819.01+003933.5, 2MASS J21481902+0039337, TIC 270259091
Parameter | Unit | Vincent et al. 2024 | Simbad |
---|---|---|---|
Right ascension | 21 48 18.95 | 21 48 19.02 (0.04) | |
Declination | 00 39 31.96 | 00 39 33.77 (0.04) | |
Spectral type | DA | DA | |
Effective temperature | [K] | 24880.0 (446) | |
log(g) | [cgs] | 7.83 (0.02) | |
Mass | [M☉] | 0.544 (0.01) | |
log(Luminosity) | [L☉] | ||
Cooling age | [Gyr] | ||
log(H/He) | |||
log(C/He) | |||
log(Ca/He) | |||
log(Ca/H) | |||
Parallax | [mas] | 8.06 | 8.06 (0.05) |
Distance | [pc] | 124.02 | 124.02 (0.7) |
Composition | |||
Proper motion (right ascension) | [mas/yr] | -67.068 (0.05) | |
Proper motion (declination) | [mas/yr] | -113.156 (0.05) | |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | |||
V magnitude | |||
R magnitude | |||
I magnitude | |||
J magnitude | 16.16 (0.01) | ||
H magnitude | 16.23 (0.02) | ||
K magnitude | 16.35 (0.04) | ||
u magnitude | 15.23 (0.02) | ||
g magnitude | 15.36 (0.02) | ||
r magnitude | 15.77 (0.01) | ||
i magnitude | 16.11 (0.02) | ||
z magnitude | 16.40 (0.01) | ||
G magnitude | 15.57 | 15.57 (0.003) | |
BP magnitude | |||
RP magnitude | |||
Pan g magnitude | |||
Pan r magnitude | |||
Pan i magnitude | |||
Pan z magnitude | |||
Pan y magnitude | |||
E(B-V) |
* 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.