All names: Gaia DR3 6443328221136801920, RE J200906-602530, Gaia EDR3 6443328221136801920, RE J2009-602, EUVE J2009-60.4, GALEX J200905.2-602543, 2MASS J20090560-6025425, 2RE J2009-602, TIC 466199456, UCAC2 5477080, UCAC4 148-230670, EC 20048-6034, RX J2009.1-6025, RE J2009-605, 2RXF J200905.2-602539, 1RXS J200905.6-602537, 2EUVE J2009-60.4, Gaia DR2 6443328221136801920, 2RE J200905-602528, WD2004-605, GSC 09086-00421, RE J2009-60, WD 2004-605, RBS 1670, WDJ200905.60-602542.53
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 20 09 05.83 (0.03) | 20 09 05.82 (0.04) | 20 09 05.80 | 20 09 05.83 | 20 09 05.60 (0.03) | 20 09 05.82 | 20 09 05.23 | ||||
| Declination | -60 25 43.64 (0.03) | -60 25 43.61 (0.04) | -60 25 44.00 | -60 25 43.64 | -60 25 42.53 (0.03) | -60 25 43.61 | -60 25 36.48 | ||||
| Spectral type | DA | DA | DA | DA1.2 | DA | ||||||
| Effective temperature | [K] | 43360.0 (678) | 40994.0 (60) | 42974.0 (161) | |||||||
| log(g) | [cgs] | 8.19 (0.05) | 8.39 (0.006) | 8.32 (0.01) | |||||||
| Mass | [M☉] | 0.78 (0.03) | 0.86 | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| 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] | 21.57 (0.04) | 21.44 (0.05) | 21.57 | 21.57 (0.04) | 21.44 (0.05) | |||||
| Distance | [pc] | 46.36 (0.09) | 46.65 (0.1) | 61.00 | 46.36 | 46.36 (0.09) | 46.65 (0.1) | ||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 104.5973052 (0.03) | 104.6432805 (0.08) | 104.597 (0.03) | 104.6432805 | ||||||
| Proper motion (declination) | [mas/yr] | -69.19308647 (0.03) | -69.22642746 (0.08) | -69.193 (0.03) | -69.22642746 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 13.11 | ||||||||||
| V magnitude | 13.33 | 13.33 | 13.39 | 13.33 | |||||||
| R magnitude | 13.69 (0.05) | ||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.04 (0.03) | ||||||||||
| H magnitude | 14.17 (0.04) | ||||||||||
| K magnitude | 14.21 (0.07) | ||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 13.31 (0.002) | 13.33 | 13.31 | 13.31 (0.003) | 13.33 | ||||||
| BP magnitude | 13.15 (0.002) | 13.08 | 13.08 | ||||||||
| RP magnitude | 13.64 (0.0007) | 13.64 | 13.64 | ||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.005 | ||||||||||
* 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.