All names: SDSS J014750.79+214706.9, WDJ014750.67+214706.63, Gaia EDR3 98075028448822656, Gaia DR2 98075028448822656, SDSS J014750.79+214706.8, USNO-B1.0 1117-00030708, Gaia DR3 98075028448822656, WD 0145+215, LP 352-30, LSPM J0147+2147W, NLTT 5975
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | 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 | 01 47 50.88 (0.2) | 01 47 50.88 (0.2) | 01 47 50.88 | 01 47 50.67 (0.2) | 01 47 50.88 | 01 47 51.65 | |||||
| Declination | 21 47 06.92 (0.1) | 21 47 06.91 (0.1) | 21 47 06.92 | 21 47 06.63 (0.1) | 21 47 06.91 | 21 46 49.80 | |||||
| Spectral type | ? | ? | DA | DA | ? | ||||||
| Effective temperature | [K] | 6719.0 | 6468.0 | 6881.0 (152) | |||||||
| log(g) | [cgs] | 7.95 | 7.83 | 8.03 (0.04) | |||||||
| Mass | [M☉] | 0.563 | 0.474 | 0.61 (0.04) | |||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 1.5660 | 1.5340 | ||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | 11.92 (0.2) | 11.88 (0.2) | 11.92 | 11.92 (0.2) | 11.88 (0.2) | |||||
| Distance | [pc] | 83.86 (1) | 84.21 (1) | 83.86 | 83.86 (1) | 84.21 (1) | |||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 182.4514379 (0.2) | 182.4829882 (0.4) | 182.451 (0.2) | 182.4829882 | ||||||
| Proper motion (declination) | [mas/yr] | 17.963758 (0.2) | 17.9157744 (0.3) | 17.964 (0.2) | 17.9157744 | ||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | |||||||||||
| B magnitude | 18.80 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | 18.00 | ||||||||||
| I magnitude | |||||||||||
| J magnitude | |||||||||||
| H magnitude | |||||||||||
| K magnitude | |||||||||||
| u magnitude | 19.16 (0.04) | 19.16 (0.04) | |||||||||
| g magnitude | 18.54 (0.01) | 18.54 (0.01) | |||||||||
| r magnitude | 18.17 (0.008) | 18.17 (0.008) | |||||||||
| i magnitude | 18.13 (0.01) | 18.13 (0.01) | |||||||||
| z magnitude | 18.20 (0.04) | 18.20 (0.04) | |||||||||
| G magnitude | 18.14 (0.01) | 18.16 | 18.14 | 18.14 (0.004) | 18.16 | ||||||
| BP magnitude | 18.38 (0.01) | 18.38 | 18.38 | ||||||||
| RP magnitude | 17.79 (0.02) | 17.81 | 17.81 | ||||||||
| Pan g magnitude | 18.35 (0.005) | ||||||||||
| Pan r magnitude | 18.17 (0.003) | ||||||||||
| Pan i magnitude | 18.11 (0.005) | ||||||||||
| Pan z magnitude | 18.15 (0.005) | ||||||||||
| Pan y magnitude | 18.15 (0.01) | ||||||||||
| E(B-V) | 0.010 | ||||||||||
* 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.