All names: SDSS J101801.52+072124.5, SDSS J101801.51+072124.5, uvby98 680101523, GALEX J101801.5+072124, PG, LAMOST J101801.51+072124.5, WD 1015+076, ULAS J101801.52+072124.5, 1SWASP J101801.63+072123.9, Gaia DR2 3875365174618907264, PG 1015+076, Gaia DR3 3875365174618907264, Gaia EDR3 3875365174618907264
| Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Guo et al. 2015 | Koester et al. 2009 | Zuckerman et al. 2003 | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 10 18 01.50 (0.07) | 10 18 01.50 (0.1) | 10 18 01.53 (0.07) | 10 17 59.57 | |||||
| Declination | 07 21 24.14 (0.06) | 07 21 24.16 (0.08) | 07 21 24.56 (0.06) | 07 21 10.08 | |||||
| Spectral type | DAZ | DA5 | DA5 | ||||||
| Effective temperature | [K] | 27375.0 (124) | 6675.0 | ||||||
| log(g) | [cgs] | 7.73 (0.02) | 8.00 | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | <-11.432 | ||||||||
| Parallax | [mas] | 5.11 (0.08) | 5.07 (0.1) | 5.11 (0.08) | |||||
| Distance | [pc] | 195.59 (3) | 197.05 (5) | 195.59 (3) | |||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -32.2945786 (0.08) | -32.602 (0.1) | -32.295 (0.08) | |||||
| Proper motion (declination) | [mas/yr] | -25.88428777 (0.07) | -26.032 (0.1) | -25.884 (0.07) | |||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | 15.37 | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 14.47 | 16.96 (0.01) | |||||||
| H magnitude | 14.16 | ||||||||
| K magnitude | 14.11 | ||||||||
| u magnitude | 16.22 (0.006) | ||||||||
| g magnitude | 16.29 (0.003) | ||||||||
| r magnitude | 16.79 (0.004) | ||||||||
| i magnitude | 17.04 (0.005) | ||||||||
| z magnitude | 17.24 (0.01) | ||||||||
| G magnitude | 16.60 (0.03) | 16.65 | 16.60 (0.003) | ||||||
| BP magnitude | 16.44 (0.03) | ||||||||
| RP magnitude | 16.80 (0.06) | ||||||||
| Pan g magnitude | |||||||||
| Pan r magnitude | |||||||||
| Pan i magnitude | |||||||||
| Pan z magnitude | |||||||||
| Pan y magnitude | |||||||||
| E(B-V) | 0.015 | ||||||||
* 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.