All names: USNO-B1.0 0817-00260616, SDSS J112927.53-081526.9, WISE J112927.49-081526.2, SDSS J112927.52-081527.0, WIRED J112927.53-081526.8, DENIS J112927.5-081527, WISEA J112927.52-081526.5
| Parameter | Unit | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|
| Right ascension | 11 29 27.52 | 11 29 27.54 | 11 29 27.53 | |||
| Declination | -08 15 27.03 | -08 15 27.07 | -08 15 26.90 | |||
| Spectral type | DA+M | DA+M | DA+M | |||
| Effective temperature | [K] | 41796.0 (1296) | 10084.0 (14) | |||
| log(g) | [cgs] | 7.52 (0.1) | 8.13 (0.2) | |||
| Mass | [M☉] | 0.47 (0.04) | ||||
| log(Luminosity) | [L☉] | 0.03 (0.1) | ||||
| Cooling age | [Gyr] | 0.0015 (0.0009) | ||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| 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] | |||||
| Distance | [pc] | |||||
| Composition | H | |||||
| Proper motion (right ascension) | [mas/yr] | -38.0 (8) | ||||
| Proper motion (declination) | [mas/yr] | 20.0 (9) | ||||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | WDMS | |||||
| B magnitude | 20.30 | |||||
| V magnitude | ||||||
| R magnitude | 18.90 | |||||
| I magnitude | 18.36 (0.2) | |||||
| J magnitude | ||||||
| H magnitude | ||||||
| K magnitude | ||||||
| u magnitude | 18.82 (0.02) | 18.81 (0.02) | 18.81 (0.03) | |||
| g magnitude | 19.00 (0.009) | 18.99 (0.009) | 19.11 (0.02) | |||
| r magnitude | 18.97 (0.01) | 18.98 (0.01) | 19.28 (0.02) | |||
| i magnitude | 18.55 (0.01) | 18.55 (0.01) | 18.77 (0.02) | |||
| z magnitude | 18.16 (0.02) | 18.18 (0.02) | 18.32 (0.03) | |||
| G magnitude | ||||||
| BP magnitude | ||||||
| RP magnitude | ||||||
| Pan g magnitude | 19.13 (0.02) | |||||
| Pan r magnitude | 19.15 (0.01) | |||||
| Pan i magnitude | 18.67 (0.01) | |||||
| Pan z magnitude | 18.41 (0.02) | |||||
| Pan y magnitude | 18.18 (0.02) | |||||
| E(B-V) | ||||||
* 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.