All names: TIC 98120806, SCR 1920-3611, SCR J1920-3611, 2MASS J19200281-3611025, SCR J1920-361, GALEX J192002.7-361101, Gaia DR3 6742379406616165376, WD 1916-362, Gaia EDR3 6742379406616165376, WDJ192002.82-361102.65, Gaia DR2 6742379406616165376
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Bedard et al. 2017 | Subasavage et al. 2017 | Stilism | Subasavage et al. 2008 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 19 20 02.97 (0.03) | 19 20 02.96 (0.05) | 19 20 02.82 | 19 20 02.83 | 19 20 02.97 | 19 20 02.82 (0.03) | 19 20 02.96 | 19 20 02.90 | ||||
| Declination | -36 11 04.75 (0.03) | -36 11 04.68 (0.05) | -36 11 00.07 | -36 11 02.70 | -36 11 04.75 | -36 11 02.65 (0.03) | -36 11 04.68 | -36 10 59.88 | ||||
| Spectral type | DB | DB | DB | DB | DB | DB | DB2.1 | |||||
| Effective temperature | [K] | 21963.0 (746) | 25383.0 (3225) | 23360.0 (7640) | 24105.0 (8797) | 24489.0 (789) | ||||||
| log(g) | [cgs] | 8.14 (0.03) | 7.86 (0.1) | 8.17 (0.09) | 8.19 (0.009) | |||||||
| Mass | [M☉] | 0.682 (0.01) | 0.7 (0.08) | 0.716 (0.007) | ||||||||
| log(Luminosity) | [L☉] | -1.46 (0.5) | ||||||||||
| Cooling age | [Gyr] | 0.0500 (0.2) | ||||||||||
| 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] | 26.94 (0.03) | 26.94 (0.03) | 26.83 (0.05) | 26.74 (1) | 26.94 | 26.94 (0.03) | 26.83 (0.05) | 23.90 | |||
| Distance | [pc] | 37.13 (0.05) | 37.12 (0.04) | 37.28 (0.07) | 37.40 (2) | 37.40 (2) | 41.70 | 37.13 | 37.13 (0.05) | 37.28 (0.07) | 41.84 | |
| Composition | He | He | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 113.2205628 (0.04) | 113.2489798 (0.1) | 113.221 (0.04) | 113.2489798 | |||||||
| Proper motion (declination) | [mas/yr] | -131.0440014 (0.03) | -131.2077316 (0.09) | -131.044 (0.03) | -131.2077316 | |||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | ||||||||||||
| B magnitude | 13.08 | |||||||||||
| V magnitude | 13.60 | |||||||||||
| R magnitude | 13.69 | 13.27 | ||||||||||
| I magnitude | 13.78 | 13.38 | ||||||||||
| J magnitude | 14.10 (0.03) | 14.10 (0.03) | 14.10 (0.03) | |||||||||
| H magnitude | 14.22 (0.04) | 14.22 (0.04) | 14.22 (0.04) | |||||||||
| K magnitude | 14.21 (0.07) | 14.21 (0.07) | 14.21 (0.07) | |||||||||
| u magnitude | ||||||||||||
| g magnitude | ||||||||||||
| r magnitude | ||||||||||||
| i magnitude | ||||||||||||
| z magnitude | ||||||||||||
| G magnitude | 13.57 (0.001) | 13.58 | 13.57 | 13.57 (0.003) | 13.58 | |||||||
| BP magnitude | 13.47 (0.001) | 13.40 | 13.40 | |||||||||
| RP magnitude | 13.75 (0.001) | 13.74 | 13.74 | |||||||||
| Pan g magnitude | ||||||||||||
| Pan r magnitude | ||||||||||||
| Pan i magnitude | ||||||||||||
| Pan z magnitude | ||||||||||||
| Pan y magnitude | ||||||||||||
| 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.