All names: G 197-35, LP 130-13, PLX 2741.01, WISEA J115123.16+541112.3, EGGR 435, GEN# +9.80197035, WD 1148+54, SBSS 1148+544, USNO-B1.0 1441-00215494, WDS J11515+5412A, USNO 380, ** LDS 1272A, Gaia DR2 840622410902558336, LSPM J1151+5411S, WD 1148+544, Gaia EDR3 840622410902558336, LP129-586, WD 1148+542, LP 129-586, NLTT 28771, 2MASS J11512352+5411127
| Parameter | Unit | Gaia EDR3 | Leggett et al. 2018 | Pan-STARRS DR1 | Gaia DR2 | Simbad |
|---|---|---|---|---|---|---|
| Right ascension | 11 51 22.99 (0.02) | 11 51 23.00 (0.03) | 11 51 23.50 (0.03) | |||
| Declination | 54 11 12.16 (0.02) | 54 11 12.18 (0.03) | 54 11 12.67 (0.03) | |||
| Spectral type | DA5 | |||||
| Effective temperature | [K] | |||||
| log(g) | [cgs] | |||||
| Mass | [M☉] | |||||
| log(Luminosity) | [L☉] | |||||
| Cooling age | [Gyr] | |||||
| log(H/He) | ||||||
| log(C/He) | ||||||
| log(Ca/He) | ||||||
| log(Ca/H) | ||||||
| Parallax | [mas] | 12.93 (0.03) | 12.45 (0.7) | 12.81 (0.05) | 12.81 (0.05) | |
| Distance | [pc] | 77.32 (0.2) | 80.32 (5) | 78.09 (0.3) | 78.09 (0.3) | |
| Composition | ||||||
| Proper motion (right ascension) | [mas/yr] | -280.6536393 (0.02) | -280.718 (0.06) | -280.718 (0.06) | ||
| Proper motion (declination) | [mas/yr] | -31.57112973 (0.03) | -31.494 (0.07) | -31.494 (0.07) | ||
| Variability | ||||||
| Magnetic | ||||||
| Bd | [MG] | |||||
| Infrared excess (disk) | ||||||
| Binarity | ||||||
| B magnitude | 16.92 | |||||
| V magnitude | ||||||
| R magnitude | 15.30 | |||||
| I magnitude | ||||||
| J magnitude | 12.54 (0.02) | |||||
| H magnitude | 11.96 (0.02) | |||||
| K magnitude | 11.71 (0.02) | |||||
| u magnitude | ||||||
| g magnitude | ||||||
| r magnitude | ||||||
| i magnitude | ||||||
| z magnitude | ||||||
| G magnitude | 15.27 (0.004) | 15.29 | 15.29 (0.0004) | |||
| BP magnitude | 16.68 (0.004) | 16.71 | ||||
| RP magnitude | 14.10 (0.002) | 14.12 | ||||
| Pan g magnitude | 17.08 (0.005) | |||||
| Pan r magnitude | 15.83 (0.003) | |||||
| Pan i magnitude | 14.58 (0.003) | |||||
| Pan z magnitude | 14.01 (0.002) | |||||
| Pan y magnitude | 13.75 (0.004) |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.