All names: Gaia DR2 2675503117734361344, NLTT 52834, USNO-B1.0 0864-00577068, LP 699-30 B, Gaia DR3 2675503117734361344, EGGR 503, WDJ220423.33-033121.76, WD 2201-037, J2204-0331, Gaia EDR3 2675503117734361344
| Parameter | Unit | Gaia EDR3 | Caron et al. 2023 | Gaia DR2 | Stilism | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 22 04 23.56 (0.4) | 22 04 23.55 (0.7) | 22 04 23.33 (0.4) | 22 04 23.55 | 22 04 23.86 | |||
| Declination | -03 31 21.67 (0.5) | -03 31 21.67 (0.8) | -03 31 21.73 (0.5) | -03 31 21.67 | -03 31 13.44 | |||
| Spectral type | DC | DC9 | DC9 | |||||
| Effective temperature | [K] | 6248.0 (93) | ||||||
| log(g) | [cgs] | 8.52 (0.06) | ||||||
| Mass | [M☉] | 0.912 (0.05) | ||||||
| log(Luminosity) | [L☉] | |||||||
| Cooling age | [Gyr] | 4.8300 | ||||||
| log(H/He) | -3.0 | |||||||
| 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] | 10.53 (0.5) | 10.99 (0.6) | 10.99 (0.6) | 10.53 (0.5) | 10.99 (0.6) | ||
| Distance | [pc] | 95.01 (4) | 90.99 (5) | 91.03 (5) | 95.01 (4) | 91.03 (5) | ||
| Composition | He | |||||||
| Proper motion (right ascension) | [mas/yr] | 209.3910625 (0.6) | 210.873 (1) | 209.391 (0.6) | 210.8734109 | |||
| Proper motion (declination) | [mas/yr] | 3.968591317 (0.7) | 5.595 (1) | 3.969 (0.7) | 5.59475187 | |||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 18.41 (0.06) | |||||||
| H magnitude | ||||||||
| K magnitude | ||||||||
| u magnitude | 20.31 (0.03) | 20.31 (0.07) | ||||||
| g magnitude | 18.86 (0.01) | |||||||
| r magnitude | 18.18 (0.008) | |||||||
| i magnitude | 17.90 (0.009) | |||||||
| z magnitude | 17.74 (0.02) | |||||||
| G magnitude | 19.73 (0.1) | 19.76 | 19.73 (0.006) | 19.76 | ||||
| BP magnitude | 20.46 (0.1) | 19.92 | 19.92 | |||||
| RP magnitude | 19.33 (0.08) | 19.07 | 19.07 | |||||
| Pan g magnitude | ||||||||
| Pan r magnitude | 19.68 (0.0008) | |||||||
| Pan i magnitude | 19.52 (0.02) | |||||||
| Pan z magnitude | 19.45 (0.01) | |||||||
| Pan y magnitude | ||||||||
| E(B-V) | 0.004 | |||||||
* 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.