All names: 2MASS J13395619+0929337, Gaia DR3 3725785551190835200, SDSS J133956.19+092933.7, TIC 379082275, Gaia EDR3 3725785551190835200, Gaia DR2 3725785551190835200
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 39 56.19 (0.1) | 13 39 56.20 | 13 39 56.19 (0.2) | 13 39 56.20 | 13 39 56.20 (0.1) | |||
| Declination | 09 29 33.35 (0.1) | 09 29 33.79 | 09 29 33.36 (0.1) | 09 29 33.68 | 09 29 33.86 (0.1) | |||
| Spectral type | WD+M | M1V | ||||||
| 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] | 1.09 (0.2) | 1.08 (0.2) | 1.09 (0.2) | ||||
| Distance | [pc] | 915.24 (155) | 925.93 (190) | 915.25 (155) | ||||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -12.58156449 (0.2) | -12.65443459 (0.4) | -12.582 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | -31.87340199 (0.2) | -32.58194532 (0.3) | -31.873 (0.2) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.98 (0.1) | |||||||
| H magnitude | 15.50 (0.1) | |||||||
| K magnitude | 15.07 (0.2) | |||||||
| u magnitude | 21.81 (0.2) | 21.83 | 21.83 (0.2) | |||||
| g magnitude | 19.82 (0.01) | 19.81 | 19.80 (0.01) | |||||
| r magnitude | 18.47 (0.009) | 18.46 | 18.46 (0.009) | |||||
| i magnitude | 17.76 (0.008) | 17.74 | 17.75 (0.007) | |||||
| z magnitude | 17.37 (0.01) | 17.35 | 17.35 (0.01) | |||||
| G magnitude | 18.33 (0.04) | 18.36 | 18.33 (0.003) | |||||
| BP magnitude | 19.24 (0.04) | 19.16 | ||||||
| RP magnitude | 17.37 (0.01) | 17.39 | ||||||
| Pan g magnitude | 19.60 (0.03) | |||||||
| Pan r magnitude | 18.46 (0.01) | |||||||
| Pan i magnitude | 17.75 (0.005) | |||||||
| Pan z magnitude | 17.44 (0.007) | |||||||
| Pan y magnitude | 17.26 (0.02) | |||||||
| E(B-V) | 0.030 | |||||||
* 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.