All names: Gaia DR3 5272690766709543680, WISEA J082125.99-670313.0, WDJ082126.70-670320.02, TIC 307363368, Gaia DR2 5272690766709543680, Gaia EDR3 5272690766709543680, SCR 0821-6703, 2MASS J08212670-6703201, SCRJ0821-6703, CNS5 2071, WD 0821-669, WD 0820-668, SCR J0821-6703
| Parameter | Unit | Gaia EDR3 | O'Brien et al. 2024 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Holberg et al. 2016 | Sion et al. 2014 | Giammichele et al. 2012 | Subasavage et al. 2009 | Holberg et al. 2008 | Subasavage et al. 2007 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 21 25.61 (0.02) | 08 21 25.65 (0.03) | 08 21 26.71 | 08 21 26.64 | 08 21 26.70 | 08 21 26.70 | 08 21 25.61 | 08 21 26.70 (0.02) | 08 21 25.65 | 08 21 25.42 | ||||||
| Declination | -67 03 09.46 (0.02) | -67 03 09.79 (0.02) | -67 03 02.01 | -67 03 18.00 | -67 03 20.10 | -67 03 20.10 | -67 03 09.46 | -67 03 20.02 (0.02) | -67 03 09.79 | -67 03 15.48 | ||||||
| Spectral type | DA | DA | DA | DA9.8 | DA | DA | DA | DA10.0 | DC: | DA10.0 | DA? | |||||
| Effective temperature | [K] | 4793.0 (21) | 5060.0 (100) | 5088.0 (137) | 5088.0 | 5088.0 (137) | 5150.0 (100) | 5160.0 (95) | 4804.0 (9) | |||||||
| log(g) | [cgs] | 7.90 (0.02) | 8.12 (0.04) | 8.12 (0.02) | 8.12 (0.02) | 8.11 (0.02) | 7.90 (0.005) | |||||||||
| Mass | [M☉] | 0.52 (0.01) | 0.65 (0.04) | 0.66 (0.01) | 0.66 (0.01) | 0.65 (0.01) | 0.52 (0.004) | |||||||||
| log(Luminosity) | [L☉] | -4.09 (0.04) | -4.08 | -4.06 (0.01) | ||||||||||||
| Cooling age | [Gyr] | 6.6800 (0.5) | 6.0000 | 6.5800 | 6.2200 (0.2) | |||||||||||
| 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] | 93.67 (0.02) | 93.67 (0.02) | 93.68 (0.03) | 94.71 (0.5) | 93.89 (1) | 93.89 (1) | 93.89 (1) | 93.67 | 93.67 (0.02) | 93.68 (0.03) | 93.80 (1) | ||||
| Distance | [pc] | 10.68 (0.002) | 10.68 (0.002) | 10.67 (0.003) | 10.56 (0.06) | 10.65 (0.1) | 10.65 | 10.70 (0.1) | 10.65 (0.1) | 11.50 | 11.50 | 10.68 | 10.68 (0.002) | 10.67 (0.003) | 10.66 (0.1) | |
| Composition | H | H | H | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -397.3430137 (0.03) | -397.2783661 (0.05) | -397.343 (0.03) | -397.2783661 | |||||||||||
| Proper motion (declination) | [mas/yr] | 660.1913388 (0.02) | 660.1272325 (0.05) | 660.191 (0.02) | 660.1272325 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | ||||||||||||||||
| V magnitude | 15.34 | 15.34 | 15.34 | 15.34 | ||||||||||||
| R magnitude | 14.82 | 14.82 | 14.82 | |||||||||||||
| I magnitude | 14.32 | 14.32 | 14.32 | |||||||||||||
| J magnitude | 13.79 (0.03) | 13.79 | 13.79 (0.03) | 13.79 (0.03) | 13.79 (0.03) | |||||||||||
| H magnitude | 13.57 (0.03) | 13.57 | 13.57 (0.03) | 13.57 (0.03) | 13.57 (0.03) | |||||||||||
| K magnitude | 13.34 (0.04) | 13.34 | 13.34 (0.04) | 13.34 (0.04) | 13.34 (0.04) | |||||||||||
| u magnitude | ||||||||||||||||
| g magnitude | ||||||||||||||||
| r magnitude | ||||||||||||||||
| i magnitude | ||||||||||||||||
| z magnitude | ||||||||||||||||
| G magnitude | 15.08 (0.002) | 15.09 | 15.08 | 15.08 (0.003) | 15.09 | |||||||||||
| BP magnitude | 15.59 (0.002) | 15.61 | 15.61 | |||||||||||||
| RP magnitude | 14.41 (0.0008) | 14.42 | 14.42 | |||||||||||||
| Pan g magnitude | ||||||||||||||||
| Pan r magnitude | ||||||||||||||||
| Pan i magnitude | ||||||||||||||||
| Pan z magnitude | ||||||||||||||||
| Pan y magnitude | ||||||||||||||||
| E(B-V) | 0.000 | |||||||||||||||
* 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.