All names: Ton S 222, KUV 01308-2721, EC 01308-2721, Gaia EDR3 5035978214034036480, GALEX J013309.0-270546, Gaia DR3 5035978214034036480, HE 0130-2721, Gaia DR2 5035978214033613824, USNO-B1.0 0629-00024035, WD 0130-273, GD 1372, Kiso
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Zuckerman et al. 2003 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 01 33 09.13 (0.05) | 01 33 09.13 (0.05) | 01 33 09.13 | 01 33 09.09 (0.05) | 01 33 08.33 | |||||
| Declination | -27 05 45.35 (0.04) | -27 05 45.32 (0.04) | -27 05 45.35 | -27 05 44.40 (0.04) | -27 05 37.32 | |||||
| Spectral type | DA | DA | DA2.2 | DA | ||||||
| Effective temperature | [K] | 23320.0 (388) | 21880.0 (45) | 17000.0 | 22393.0 (358) | |||||
| log(g) | [cgs] | 7.94 (0.05) | 7.90 (0.007) | 8.00 | 8.05 (0.02) | |||||
| Mass | [M☉] | 0.6 (0.03) | 0.658 (0.01) | |||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | <-7.091 | |||||||||
| 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] | 7.09 (0.07) | 7.08 (0.07) | 7.09 | 7.09 (0.07) | |||||
| Distance | [pc] | 140.99 (1) | 141.20 (1) | 201.00 | 140.99 | 140.99 (1) | ||||
| Composition | H | |||||||||
| Proper motion (right ascension) | [mas/yr] | 30.32322038 (0.08) | 30.15179565 (0.1) | 30.323 (0.08) | ||||||
| Proper motion (declination) | [mas/yr] | -59.40381952 (0.04) | -59.40704375 (0.06) | -59.404 (0.04) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 16.08 | 16.10 | ||||||||
| V magnitude | 16.93 | |||||||||
| R magnitude | 16.00 | |||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | ||||||||||
| g magnitude | ||||||||||
| r magnitude | ||||||||||
| i magnitude | ||||||||||
| z magnitude | ||||||||||
| G magnitude | 16.42 (0.002) | 16.44 | 16.42 | 16.42 (0.003) | ||||||
| BP magnitude | 16.31 (0.002) | 16.29 | ||||||||
| RP magnitude | 16.61 (0.004) | 16.62 | ||||||||
| Pan g magnitude | ||||||||||
| Pan r magnitude | ||||||||||
| Pan i magnitude | ||||||||||
| Pan z magnitude | ||||||||||
| Pan y magnitude | ||||||||||
| E(B-V) | 0.002 | |||||||||
* 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.