All names: TIC 455626737, 2MASS J22103453+4532401, 22105+4532, Gaia EDR3 1962707287281651712, Gaia DR3 1962707287281651712, PM J22105+4532, Gaia DR2 1962707287281651712, PSO J332.6432+45.5432, USNO-B1.0 1355-00487733, LSPM J2210+4532
| Parameter | Unit | Gaia EDR3 | Blouin et al. 2019 | Gaia DR2 | Stilism | Limoges et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 22 10 34.33 (0.05) | 22 10 34.34 (0.06) | 22 10 34.52 (0.05) | ||||
| Declination | 45 32 34.32 (0.07) | 45 32 34.49 (0.08) | 45 32 39.66 (0.07) | ||||
| Spectral type | DC | DC | DC | ||||
| Effective temperature | [K] | 5290.0 (55) | 5110.0 (597) | ||||
| log(g) | [cgs] | 7.85 (0.03) | 8.00 (0) | ||||
| Mass | [M☉] | 0.484 (0.02) | 0.58 (0.1) | ||||
| log(Luminosity) | [L☉] | -4.01 | |||||
| Cooling age | [Gyr] | 3.5180 (0.3) | |||||
| log(H/He) | |||||||
| log(C/He) | |||||||
| log(Ca/He) | |||||||
| log(Ca/H) | |||||||
| log(N/He) | |||||||
| log(O/He) | |||||||
| log(Na/He) | |||||||
| log(Mg/He) | |||||||
| log(Al/He) | |||||||
| log(Si/He) | |||||||
| log(P/He) | |||||||
| log(S/He) | |||||||
| log(Cl/He) | |||||||
| log(Sc/He) | |||||||
| log(Ti/He) | |||||||
| log(V/He) | |||||||
| log(Cr/He) | |||||||
| log(Mn/He) | |||||||
| log(Fe/He) | |||||||
| log(Co/He) | |||||||
| log(Ni/He) | |||||||
| log(Cu/He) | |||||||
| log(Zn/He) | |||||||
| log(Ga/He) | |||||||
| log(Ge/He) | |||||||
| log(Sr/He) | |||||||
| Parallax | [mas] | 27.86 (0.08) | 27.76 (0.09) | 27.76 (0.09) | 27.86 (0.08) | ||
| Distance | [pc] | 35.90 (0.1) | 36.02 (0.1) | 36.02 (0.1) | 34.40 (6) | 35.90 (0.1) | |
| Composition | He | H | |||||
| Proper motion (right ascension) | [mas/yr] | -123.7539221 (0.07) | -123.3651635 (0.1) | -123.754 (0.07) | |||
| Proper motion (declination) | [mas/yr] | -333.6117527 (0.08) | -332.6921041 (0.1) | -333.612 (0.08) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | |||||||
| B magnitude | 18.10 | ||||||
| V magnitude | |||||||
| R magnitude | 17.10 | ||||||
| I magnitude | |||||||
| J magnitude | 16.20 (0.1) | 16.20 | 16.20 (0.1) | ||||
| H magnitude | 15.97 (0.2) | 15.97 | 15.97 (0.2) | ||||
| K magnitude | 15.74 | ||||||
| u magnitude | |||||||
| g magnitude | 17.57 (0.006) | ||||||
| r magnitude | 17.14 (0.005) | ||||||
| i magnitude | 16.98 (0.01) | ||||||
| z magnitude | 16.94 (0.005) | ||||||
| G magnitude | 17.15 | 17.17 | 17.15 (0.003) | ||||
| BP magnitude | |||||||
| RP magnitude | |||||||
| Pan g magnitude | 17.57 (0.006) | ||||||
| Pan r magnitude | 17.14 (0.005) | ||||||
| Pan i magnitude | 16.98 (0.01) | ||||||
| Pan z magnitude | 16.94 (0.005) | ||||||
| Pan y magnitude | 16.91 (0.01) | ||||||
| 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.