All names: LSPM J2321+0102S, Gaia EDR3 2645295921252503424, J2321+0102, WD 2318+007.1, Gaia DR3 2645295921252503424, LP 642-52, Gaia DR2 2645295921252503424, SDSS J232115.32+010211.2, NLTT 56590, WDJ232115.34+010211.96, GSC2U J232115.4+010214, SDSS J232115.31+010211.0, USNO-B1.0 0910-00564672, LP642-052
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 23 21 15.23 (0.2) | 23 21 15.31 | 23 21 15.23 (0.3) | 23 21 15.34 (0.3) | 23 21 15.23 | 23 21 16.58 | |||||||
Declination | 01 02 07.98 (0.2) | 01 02 11.04 | 01 02 08.10 (0.3) | 01 02 11.96 (0.3) | 01 02 08.10 | 01 02 26.88 | |||||||
Spectral type | DA | DA | DA | DA | DC: | DA | |||||||
Effective temperature | [K] | 5650.0 (46) | 5528.0 (50) | 5647.0 | |||||||||
log(g) | [cgs] | 8.42 (0.02) | 8.34 (0.03) | 8.40 | |||||||||
Mass | [M☉] | 0.857 (0.02) | 0.804 (0.03) | 0.843 | |||||||||
log(Luminosity) | [L☉] | ||||||||||||
Cooling age | [Gyr] | 6.3200 | 5.8440 | ||||||||||
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] | 16.57 (0.3) | 16.22 (0.3) | 16.22 (0.3) | 16.22 (0.3) | 16.22 (0.3) | |||||||
Distance | [pc] | 60.36 (1) | 61.65 (1) | 61.64 (1) | 61.65 (1) | 61.64 (1) | |||||||
Composition | H | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -104.9978351 (0.3) | -104.8608413 (0.6) | -104.861 (0.6) | -104.8608413 | ||||||||
Proper motion (declination) | [mas/yr] | -248.7144303 (0.3) | -249.1599681 (0.5) | -249.16 (0.5) | -249.1599681 | ||||||||
Variability | |||||||||||||
Magnetic | |||||||||||||
Bd | [MG] | ||||||||||||
Infrared excess (disk) | |||||||||||||
Binarity | yes | ||||||||||||
B magnitude | 20.30 | ||||||||||||
V magnitude | |||||||||||||
R magnitude | 19.20 | ||||||||||||
I magnitude | |||||||||||||
J magnitude | 17.84 (0.03) | 17.78 (0.04) | |||||||||||
H magnitude | 17.62 (0.04) | 17.54 (0.04) | |||||||||||
K magnitude | 17.76 (0.2) | 17.53 (0.05) | |||||||||||
u magnitude | 20.52 (0.06) | 20.58 (0.06) | 20.54 (0.06) | 20.48 (0.06) | 20.51 | ||||||||
g magnitude | 19.29 (0.01) | 19.29 (0.01) | 19.34 (0.01) | 19.37 | |||||||||
r magnitude | 18.82 (0.01) | 18.81 (0.01) | 18.82 (0.01) | 18.84 | |||||||||
i magnitude | 18.65 (0.01) | 18.64 (0.01) | 18.64 (0.01) | 18.65 | |||||||||
z magnitude | 18.52 (0.03) | 18.52 (0.03) | 18.58 (0.04) | 18.59 | |||||||||
G magnitude | 18.84 (0.04) | 18.87 | 18.87 (0.003) | 18.87 | |||||||||
BP magnitude | 19.13 (0.04) | 19.08 | 19.08 | ||||||||||
RP magnitude | 18.39 (0.03) | 18.36 | 18.36 | ||||||||||
Pan g magnitude | 19.22 (0.02) | 19.22 (0.02) | |||||||||||
Pan r magnitude | 18.82 (0.01) | 18.82 (0.01) | |||||||||||
Pan i magnitude | 18.64 (0.004) | 18.64 (0.004) | |||||||||||
Pan z magnitude | 18.58 (0.002) | 18.58 (0.002) | |||||||||||
Pan y magnitude | 18.61 (0.02) | 18.61 (0.02) | |||||||||||
E(B-V) | 0.002 |
* 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.