All names: LAMOST J115510.86+271324.3, 2MASS J11551085+2713244, GALEX J115510.8+271324, SDSS J115510.86+271324.3, Gaia EDR3 4007308257873882496, TIC 138894884, WD 1152+275, Gaia DR3 4007308257873882496, SDSS J115510.85+271324.3, Gaia DR2 4007308257873882496
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 55 10.87 (0.1) | 11 55 10.86 | 11 55 10.87 (0.2) | 11 55 10.86 (0.1) | 11 55 10.68 | |||
| Declination | 27 13 24.23 (0.1) | 27 13 24.29 | 27 13 24.23 (0.1) | 27 13 24.29 (0.1) | 27 13 18.12 | |||
| Spectral type | DA+M | DA2.5 M | ||||||
| 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] | 2.40 (0.2) | 2.55 (0.2) | 2.40 (0.2) | ||||
| Distance | [pc] | 415.98 (27) | 392.42 (31) | 415.97 (27) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | 6.556452217 (0.2) | 6.919895771 (0.3) | 6.556 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -3.889683392 (0.1) | -4.152272716 (0.2) | -3.89 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | ||||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 14.76 (0.03) | |||||||
| H magnitude | 14.08 (0.03) | |||||||
| K magnitude | 13.86 (0.04) | |||||||
| u magnitude | 19.18 (0.02) | 19.24 (0.02) | 19.23 | |||||
| g magnitude | 18.08 (0.006) | 18.09 (0.006) | 18.07 | |||||
| r magnitude | 17.01 (0.005) | 17.01 (0.005) | 16.99 | |||||
| i magnitude | 16.36 (0.005) | 16.33 (0.005) | 16.30 | |||||
| z magnitude | 15.94 (0.007) | 15.95 (0.007) | 15.92 | |||||
| G magnitude | 16.96 (0.008) | 16.93 | 16.96 (0.003) | |||||
| BP magnitude | 17.72 (0.008) | 17.75 | ||||||
| RP magnitude | 15.97 (0.003) | 15.98 | ||||||
| Pan g magnitude | 17.97 (0.005) | |||||||
| Pan r magnitude | 17.02 (0.003) | |||||||
| Pan i magnitude | 16.36 (0.004) | |||||||
| Pan z magnitude | 16.03 (0.004) | |||||||
| Pan y magnitude | 15.85 (0.002) | |||||||
| E(B-V) | 0.020 | |||||||
* 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.