All names: 2MASS J15451092-3818515, LDS 539, Gaia DR3 6009505153813145600, WD 1541-381, USNO-B1.0 0516-00400778, Gaia EDR3 6009505153813145600, ** LDS 539B, GALEX J154510.9-381852, WDS J15452-3819C, L 480-85, CCDM J15452-3819B, LAWD 59, TIC 178201192, 2XMM J154510.9-381850, IDS 15386-3800 B, Gaia DR2 6009505153813145600
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|
| Right ascension | 15 45 11.00 (0.03) | 15 45 11.00 (0.03) | 15 45 10.94 (0.03) | 15 45 11.38 | |||
| Declination | -38 18 53.06 (0.02) | -38 18 53.02 (0.02) | -38 18 51.62 (0.02) | -38 19 22.08 | |||
| Spectral type | DA | DA2.7 | DA | ||||
| Effective temperature | [K] | 18970.0 (438) | |||||
| log(g) | [cgs] | 7.71 (0.07) | |||||
| Mass | [M☉] | 0.47 (0.03) | |||||
| 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] | 13.36 (0.04) | 13.36 (0.04) | 13.36 (0.04) | |||
| Distance | [pc] | 74.85 (0.2) | 74.86 (0.2) | 68.00 | 74.85 (0.2) | ||
| Composition | H | ||||||
| Proper motion (right ascension) | [mas/yr] | 48.8150595 (0.04) | 48.64520171 (0.08) | 48.815 (0.04) | |||
| Proper motion (declination) | [mas/yr] | -90.36582599 (0.03) | -90.52375517 (0.06) | -90.366 (0.03) | |||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | yes | ||||||
| B magnitude | 16.50 | ||||||
| V magnitude | 14.60 | ||||||
| R magnitude | 14.30 | ||||||
| I magnitude | |||||||
| J magnitude | 11.95 (0.03) | ||||||
| H magnitude | 11.43 (0.03) | ||||||
| K magnitude | 11.19 (0.03) | ||||||
| u magnitude | |||||||
| g magnitude | |||||||
| r magnitude | |||||||
| i magnitude | |||||||
| z magnitude | |||||||
| G magnitude | 14.46 (0.001) | 14.47 | 14.46 (0.003) | ||||
| BP magnitude | 15.30 (0.001) | 15.31 | |||||
| RP magnitude | 13.48 (0.0007) | 13.50 | |||||
| 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.