All names: SBSS 0841+603, SDSS J084551.07+600913.5, Gaia DR2 1041200884023261440, USNO-B1.0 1501-00182397, PG 0841+603, SDSS J084551.06+600913.6, GALEX J084551.0+600914, WD 0841+603, Gaia EDR3 1041200884023261440, Gaia DR3 1041200884023261440
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Liebert et al. 2005 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 08 45 51.05 (0.04) | 08 45 51.05 (0.06) | 08 45 51.05 | 08 45 51.07 (0.04) | 08 45 52.97 | ||||
| Declination | 60 09 13.68 (0.04) | 60 09 13.68 (0.06) | 60 09 13.68 | 60 09 13.64 (0.04) | 60 09 09.00 | ||||
| Spectral type | DA | DA | DA1.5 | DA2 | |||||
| Effective temperature | [K] | 33580.0 (511) | 33170.0 (509) | 34369.0 (1094) | |||||
| log(g) | [cgs] | 7.95 (0.06) | 7.91 (0.06) | 7.97 (0.03) | |||||
| Mass | [M☉] | 0.63 (0.03) | 0.61 (0.03) | 0.639 (0.02) | |||||
| log(Luminosity) | [L☉] | -0.65 | |||||||
| Cooling age | [Gyr] | 0.0074 | |||||||
| 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] | 4.20 (0.06) | 4.10 (0.09) | 4.20 | 4.20 (0.06) | ||||
| Distance | [pc] | 237.95 (4) | 243.61 (5) | 199.00 | 205.00 | 237.95 | 237.95 (4) | ||
| Composition | H | ||||||||
| Proper motion (right ascension) | [mas/yr] | -10.66137186 (0.04) | -10.56034183 (0.1) | -10.661 (0.04) | |||||
| Proper motion (declination) | [mas/yr] | 2.650052649 (0.05) | 2.761838218 (0.1) | 2.65 (0.05) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 15.90 | ||||||||
| V magnitude | 16.14 | ||||||||
| R magnitude | 17.00 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.00 (0.02) | ||||||||
| g magnitude | 16.27 (0.03) | ||||||||
| r magnitude | 16.79 (0.03) | ||||||||
| i magnitude | 17.10 (0.02) | ||||||||
| z magnitude | 17.41 (0.02) | ||||||||
| G magnitude | 16.51 (0.003) | 16.54 | 16.51 | 16.51 (0.003) | |||||
| BP magnitude | 16.36 (0.003) | 16.30 | |||||||
| RP magnitude | 16.83 (0.007) | 16.80 | |||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.016 | ||||||||
* 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.