All names: 2MASS J23225797+2108035, TIC 243128695, Gaia DR2 2825857725062378624, Gaia EDR3 2825857725062378624, USNO-B1.0 1111-00595324, SDSS J232257.74+210800.7, NLTT 56683, WDJ232257.93+210803.07, WDJ232257.93+210803.06, SDSS J232257.74+210800.8, Gaia DR3 2825857725062378624, LP 462-30, LSPM J2322+2108
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 22 57.62 (0.09) | 23 22 57.63 | 23 22 57.62 | 23 22 57.93 (0.09) | 23 22 57.63 | ||||||
Declination | 21 07 59.37 (0.08) | 21 07 59.48 | 21 07 59.37 | 21 08 03.07 (0.08) | 21 07 59.48 | ||||||
Spectral type | DA | DA | DA | ||||||||
Effective temperature | [K] | 5498.0 (22) | 5456.0 | 5171.0 | 5501.0 (57) | ||||||
log(g) | [cgs] | 8.14 (0.01) | 8.13 | 7.95 | 8.14 (0.02) | ||||||
Mass | [M☉] | 0.671 (0.01) | 0.667 | 0.539 | 0.673 (0.02) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 4.6770 | 4.7090 | ||||||||
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] | 21.75 (0.1) | 21.86 (0.2) | 21.75 | 21.75 (0.1) | 21.86 (0.2) | |||||
Distance | [pc] | 45.97 (0.3) | 45.74 (0.3) | 45.97 | 45.97 (0.3) | 45.74 (0.3) | |||||
Composition | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -272.6805254 (0.1) | -272.8937571 (0.3) | -272.681 (0.1) | -272.8937571 | ||||||
Proper motion (declination) | [mas/yr] | -231.2744804 (0.1) | -231.3316621 (0.2) | -231.274 (0.1) | -231.3316621 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 18.30 | ||||||||||
V magnitude | |||||||||||
R magnitude | 17.80 | ||||||||||
I magnitude | |||||||||||
J magnitude | 16.76 (0.1) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 19.67 (0.03) | 19.67 (0.03) | |||||||||
g magnitude | 18.41 (0.007) | 18.41 (0.007) | |||||||||
r magnitude | 17.89 (0.007) | 17.89 (0.007) | |||||||||
i magnitude | 17.70 (0.008) | 17.70 (0.008) | |||||||||
z magnitude | 17.62 (0.02) | 17.62 (0.02) | |||||||||
G magnitude | 17.92 (0.02) | 17.93 | 17.92 | 17.92 (0.003) | 17.93 | ||||||
BP magnitude | 18.31 (0.02) | 18.32 | 18.32 | ||||||||
RP magnitude | 17.37 (0.007) | 17.37 | 17.37 | ||||||||
Pan g magnitude | 18.40 (0.04) | ||||||||||
Pan r magnitude | 17.89 (0.005) | ||||||||||
Pan i magnitude | 17.71 (0.006) | ||||||||||
Pan z magnitude | 17.67 (0.009) | ||||||||||
Pan y magnitude | 17.67 (0.02) | ||||||||||
E(B-V) | 0.003 |
* 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.