All names: SDSS J115948.51+070708.7, ULAS J115948.47+070709.1, Gaia DR2 3898427744542897408, WDS J11598+0707B, SDSS J115948.48+070709.0, LP 554-14, LSPM J1159+0707, Gaia EDR3 3898427744542897408, ** DEA 30B, Gaia DR3 3898427744542897408, NLTT 29211, SDSS J115948.52+070708.8, USNO-B1.0 0971-00251270, SDSS J115948.54+070708.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 59 48.37 (0.1) | 11 59 48.49 | 11 59 48.37 (0.1) | 11 59 48.37 | 11 59 48.55 (0.1) | 11 59 48.52 | ||||
| Declination | 07 07 10.06 (0.08) | 07 07 09.08 | 07 07 10.01 (0.08) | 07 07 10.06 | 07 07 08.38 (0.08) | 07 07 08.78 | ||||
| Spectral type | DC | DC | DC:DA: | DA: | ||||||
| Effective temperature | [K] | 10153.0 (256) | 10526.0 (187) | |||||||
| log(g) | [cgs] | 8.09 (0.04) | 8.89 (0.4) | |||||||
| Mass | [M☉] | 0.634 (0.04) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 9.21 (0.1) | 9.34 (0.2) | 9.21 | 9.21 (0.1) | |||||
| Distance | [pc] | 108.57 (1) | 107.01 (2) | 108.57 | 108.57 (1) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -170.1531144 (0.1) | -170.4479469 (0.3) | -170.153 (0.1) | ||||||
| Proper motion (declination) | [mas/yr] | 105.2424618 (0.08) | 105.0683564 (0.2) | 105.242 (0.08) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | ||||||||||
| B magnitude | 17.40 | |||||||||
| V magnitude | ||||||||||
| R magnitude | 17.70 | |||||||||
| I magnitude | 17.81 (0.01) | |||||||||
| J magnitude | 17.52 (0.01) | |||||||||
| H magnitude | 17.58 (0.01) | |||||||||
| K magnitude | 17.49 (0.01) | |||||||||
| u magnitude | 17.71 (0.01) | 17.69 (0.01) | 17.71 (0.02) | |||||||
| g magnitude | 17.55 (0.006) | 17.55 (0.005) | 17.57 (0.02) | |||||||
| r magnitude | 17.67 (0.006) | 17.66 (0.006) | 17.66 (0.02) | |||||||
| i magnitude | 17.81 (0.007) | 17.81 (0.007) | 17.82 (0.01) | |||||||
| z magnitude | 18.01 (0.02) | 18.01 (0.01) | 18.00 (0.02) | |||||||
| G magnitude | 17.57 (0.008) | 17.60 | 17.57 | 17.57 (0.003) | ||||||
| BP magnitude | 17.61 (0.008) | 17.60 | ||||||||
| RP magnitude | 17.51 (0.02) | 17.49 | ||||||||
| Pan g magnitude | 17.58 (0.005) | |||||||||
| Pan r magnitude | 17.68 (0.004) | |||||||||
| Pan i magnitude | 17.82 (0.002) | |||||||||
| Pan z magnitude | 17.99 (0.007) | |||||||||
| Pan y magnitude | 18.11 (0.007) | |||||||||
| E(B-V) | 0.007 | |||||||||
* 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.