All names: Gaia EDR3 1598771000065137536, LSPM J1548+5708, WDJ154835.89+570826.43, TIC 161726527, Gaia DR3 1598771000065137536, NLTT 41287, USNO-B1.0 1471-00299000, LP 99-578, SDSS J154835.89+570826.4, J1548+5708, SDSS J154835.88+570826.4, WD 1547+572, Gaia DR2 1598771000065137536, 2MASS J15483592+5708259, GALEX J154835.6+570825
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | Caron et al. 2023 | McCleery et al. 2020 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 48 35.47 (0.06) | 15 48 35.48 (0.08) | 15 48 35.48 (0.08) | 15 48 35.47 | 15 48 35.89 (0.06) | 15 48 35.48 | 15 48 35.78 | |||||||
| Declination | 57 08 24.21 (0.06) | 57 08 24.28 (0.07) | 57 08 24.28 (0.07) | 57 08 24.21 | 57 08 26.43 (0.06) | 57 08 24.28 | 57 08 24.36 | |||||||
| Spectral type | DC | DC | DC | DC | DC | DA | DC | DC8.4 | ||||||
| Effective temperature | [K] | 5770.0 (63) | 5760.0 (23) | 5665.7 (54) | 5944.0 | 5682.0 | 6103.0 (48) | |||||||
| log(g) | [cgs] | 8.16 (0.04) | 8.15 (0.008) | 8.12 (0.03) | 8.27 | 8.12 | 8.33 (0.01) | |||||||
| Mass | [M☉] | 0.674 (0.02) | 0.667 (0.008) | 0.76 | 0.647 | 0.801 (0.01) | ||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 4.5300 | 4.2800 | 4.4040 | ||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(N/He) | ||||||||||||||
| log(O/He) | ||||||||||||||
| log(Na/He) | ||||||||||||||
| log(Mg/He) | ||||||||||||||
| log(Al/He) | ||||||||||||||
| log(Si/He) | ||||||||||||||
| log(P/He) | ||||||||||||||
| log(S/He) | ||||||||||||||
| log(Cl/He) | ||||||||||||||
| log(Sc/He) | ||||||||||||||
| log(Ti/He) | ||||||||||||||
| log(V/He) | ||||||||||||||
| log(Cr/He) | ||||||||||||||
| log(Mn/He) | ||||||||||||||
| log(Fe/He) | ||||||||||||||
| log(Co/He) | ||||||||||||||
| log(Ni/He) | ||||||||||||||
| log(Cu/He) | ||||||||||||||
| log(Zn/He) | ||||||||||||||
| log(Ga/He) | ||||||||||||||
| log(Ge/He) | ||||||||||||||
| log(Sr/He) | ||||||||||||||
| Parallax | [mas] | 26.37 (0.06) | 26.37 (0.06) | 26.37 (0.08) | 26.37 (0.08) | 26.37 (0.08) | 26.37 | 26.37 (0.06) | 26.37 (0.08) | |||||
| Distance | [pc] | 37.92 (0.09) | 37.92 (0.09) | 37.92 (0.1) | 37.93 (0.1) | 37.93 (0.1) | 37.92 | 37.92 (0.09) | 37.93 (0.1) | |||||
| Composition | He | He | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -216.3074663 (0.07) | -216.2805617 (0.2) | -216.307 (0.07) | -216.2805617 | |||||||||
| Proper motion (declination) | [mas/yr] | -138.5753117 (0.07) | -138.5376452 (0.2) | -138.575 (0.07) | -138.5376452 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | ||||||||||||||
| B magnitude | 17.40 | |||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | 17.10 | |||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.44 (0.02) | 16.45 (0.1) | ||||||||||||
| H magnitude | 16.24 (0.2) | 16.24 (0.2) | ||||||||||||
| K magnitude | ||||||||||||||
| u magnitude | 18.55 (0.02) | 18.57 (0.02) | 18.55 (0.01) | 18.50 | ||||||||||
| g magnitude | 17.74 (0.005) | 17.75 (0.005) | 17.70 | |||||||||||
| r magnitude | 17.35 (0.005) | 17.35 (0.005) | 17.31 | |||||||||||
| i magnitude | 17.19 (0.006) | 17.20 (0.006) | 17.18 | |||||||||||
| z magnitude | 17.14 (0.01) | 17.14 (0.01) | 17.13 | |||||||||||
| G magnitude | 17.35 (0.009) | 17.36 | 17.36 | 17.35 | 17.35 (0.003) | 17.36 | ||||||||
| BP magnitude | 17.66 (0.009) | 17.66 | 17.66 | |||||||||||
| RP magnitude | 16.87 (0.005) | 16.86 | 16.86 | |||||||||||
| Pan g magnitude | 17.68 (0.008) | 17.68 (0.006) | ||||||||||||
| Pan r magnitude | 17.35 (0.007) | 17.35 (0.008) | ||||||||||||
| Pan i magnitude | 17.21 (0.002) | 17.21 (0.002) | ||||||||||||
| Pan z magnitude | 17.19 (0.007) | 17.19 (0.007) | ||||||||||||
| Pan y magnitude | 17.21 (0.007) | 17.21 (0.006) | ||||||||||||
| 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.