All names: LAWD 58, LTT 6175, UCAC4 075-031628, BPM 9518, WD1524-749, NLTT 40236, TIC 425639147, DENIS J153035.7-750522, Gaia DR2 5792402116129561984, Gaia EDR3 5792402116129561984, 2MASS J15303585-7505226, WD 1524-749, WD 1524-74, L 72-91, Gaia DR3 5792402116129561984
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester et al. 2014 | Gianninas et al. 2011 | Koester et al. 2009 | Koester et al. 2001 | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 30 34.12 (0.03) | 15 30 34.17 (0.04) | 15 30 36.60 | 15 30 34.12 | 15 30 35.83 (0.03) | 15 30 07.82 | |||||
| Declination | -75 05 26.35 (0.03) | -75 05 26.23 (0.04) | -75 05 24.00 | -75 05 26.35 | -75 05 22.45 (0.03) | -75 05 20.04 | |||||
| Spectral type | DA | DA | DA | DA2.0 | DA3 | ||||||
| Effective temperature | [K] | 23547.0 (320) | 25190.0 (393) | 23091.0 (40) | 23802.0 (119) | 23503.0 (286) | |||||
| log(g) | [cgs] | 7.74 (0.09) | 7.69 (0.05) | 7.74 (0.006) | 7.57 (0.02) | 7.79 (0.01) | |||||
| Mass | [M☉] | 0.504 (0.04) | 0.48 (0.02) | 0.44 | 0.524 (0.008) | ||||||
| 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) | <-7.90 | ||||||||||
| 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] | 7.39 (0.04) | 7.46 (0.05) | 7.39 | 7.39 (0.04) | ||||||
| Distance | [pc] | 135.28 (0.7) | 134.12 (0.9) | 163.00 | 135.28 | 135.28 (0.7) | |||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -412.4873998 (0.03) | -412.5261229 (0.07) | -412.487 (0.04) | |||||||
| Proper motion (declination) | [mas/yr] | -243.7338736 (0.04) | -243.6658673 (0.08) | -243.734 (0.04) | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 15.69 (0.03) | ||||||||||
| V magnitude | 15.93 (0.05) | 15.93 | 15.93 | 15.99 (0.1) | |||||||
| R magnitude | 16.16 (0.1) | ||||||||||
| I magnitude | 15.99 (0.07) | ||||||||||
| J magnitude | 16.21 (0.1) | ||||||||||
| H magnitude | 16.10 (0.2) | ||||||||||
| K magnitude | |||||||||||
| u magnitude | |||||||||||
| g magnitude | |||||||||||
| r magnitude | |||||||||||
| i magnitude | |||||||||||
| z magnitude | |||||||||||
| G magnitude | 15.83 (0.002) | 15.85 | 15.83 | 15.83 (0.003) | |||||||
| BP magnitude | 15.73 (0.002) | 15.70 | |||||||||
| RP magnitude | 16.05 (0.003) | 16.05 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| E(B-V) | 0.017 | ||||||||||
* 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.