All names: EGGR 176, WDJ182404.55-130842.29, CNS5 4550, NLTT 46408, WD 1821-13, J1824-1308, G155-15, Gaia EDR3 4152557420406043264, GEN# +9.80155015, 2MASS J18240453-1308426, GJ 2135, G 155-15, Gaia DR3 4152557420406043264, Gaia DR2 4152557420406043264, TIC 332582508, LHS 3384, WD 1821-131
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | Gaia DR2 | Subasavage et al. 2017 | Stilism | Gianninas et al. 2011 | Zuckerman et al. 2003 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 18 24 04.32 (0.03) | 18 24 04.33 (0.05) | 18 24 04.54 | 18 24 04.32 | 18 24 04.55 (0.03) | 18 24 04.33 | 18 24 05.33 | |||||||
| Declination | -13 08 52.52 (0.03) | -13 08 52.20 (0.05) | -13 08 04.02 | -13 08 52.52 | -13 08 42.29 (0.03) | -13 08 52.20 | -13 08 21.12 | |||||||
| Spectral type | DAZ | DAZ | DAZ | DA | DAZ | DA | DA7.8 | DA7 | ||||||
| Effective temperature | [K] | 6079.0 (36) | 6124.0 (29) | 5930.0 (130) | 6490.0 (113) | 7029.0 | 6164.0 (23) | |||||||
| log(g) | [cgs] | 8.02 (0.02) | 8.04 (0.008) | 7.97 (0.05) | 8.73 (0.1) | 8.38 | 8.06 (0.007) | |||||||
| Mass | [M☉] | 0.601 (0.01) | 0.616 (0.007) | 0.57 (0.05) | 1.06 (0.07) | 0.624 (0.006) | ||||||||
| log(Luminosity) | [L☉] | -3.73 (0.05) | ||||||||||||
| Cooling age | [Gyr] | 2.3900 | 2.2100 (0.3) | |||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | -10.706 | |||||||||||||
| 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] | 52.47 (0.04) | 52.47 (0.04) | 52.38 (0.06) | 52.38 (0.06) | 53.58 (0.6) | 52.47 | 52.47 (0.04) | 52.38 (0.06) | |||||
| Distance | [pc] | 19.06 (0.01) | 19.06 (0.01) | 19.09 (0.02) | 19.09 (0.02) | 18.66 (0.2) | 13.00 | 19.06 | 19.06 (0.01) | 19.09 (0.02) | ||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -205.5029261 (0.04) | -205.4680686 (0.1) | -205.503 (0.04) | -205.4680686 | |||||||||
| Proper motion (declination) | [mas/yr] | -638.9334112 (0.04) | -638.930611 (0.08) | -638.933 (0.04) | -638.930611 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 16.11 | 16.02 | ||||||||||||
| V magnitude | 15.56 | 15.60 | ||||||||||||
| R magnitude | 15.21 | |||||||||||||
| I magnitude | 14.79 | |||||||||||||
| J magnitude | 14.53 (0.04) | 14.53 (0.04) | ||||||||||||
| H magnitude | 14.28 (0.03) | 14.28 | ||||||||||||
| K magnitude | 14.21 (0.03) | 14.21 | ||||||||||||
| u magnitude | ||||||||||||||
| g magnitude | ||||||||||||||
| r magnitude | ||||||||||||||
| i magnitude | ||||||||||||||
| z magnitude | ||||||||||||||
| G magnitude | 15.40 (0.002) | 15.41 | 15.40 | 15.40 (0.003) | 15.41 | |||||||||
| BP magnitude | 15.68 (0.002) | 15.69 | 15.69 | |||||||||||
| RP magnitude | 14.95 (0.003) | 14.95 | 14.95 | |||||||||||
| Pan g magnitude | 15.73 (0.007) | 15.73 (0.007) | ||||||||||||
| Pan r magnitude | 15.40 (0.008) | 15.40 (0.008) | ||||||||||||
| Pan i magnitude | 15.29 (0.003) | 15.29 (0.003) | ||||||||||||
| Pan z magnitude | 15.29 (0.003) | 15.29 (0.003) | ||||||||||||
| Pan y magnitude | 15.25 (0.004) | 15.25 (0.004) | ||||||||||||
| E(B-V) | 0.001 | |||||||||||||
* 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.