All names: Gaia DR2 618016072720833664, SDSS J094102.72+145452.9, TIC 307645841, 2MASS J09410273+1454531, Gaia EDR3 618016072720833664, Gaia DR3 618016072720833664
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 41 02.72 (0.1) | 09 41 02.72 | 09 41 02.72 (0.2) | 09 41 02.72 | 09 41 02.73 (0.1) | |||
| Declination | 14 54 53.06 (0.1) | 14 54 52.95 | 14 54 53.06 (0.2) | 14 54 52.99 | 14 54 53.04 (0.1) | |||
| Spectral type | DA:+M | M2V | ||||||
| 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] | 2.25 (0.2) | 1.92 (0.3) | 2.25 (0.2) | ||||
| Distance | [pc] | 443.67 (33) | 521.75 (72) | 1238.00 (214) | 443.68 (33) | |||
| Composition | ||||||||
| Proper motion (right ascension) | [mas/yr] | -6.354930656 (0.2) | -7.347984685 (0.3) | -6.355 (0.2) | ||||
| Proper motion (declination) | [mas/yr] | 1.009264951 (0.1) | 0.958813332 (0.3) | 1.009 (0.1) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 15.04 (0.04) | |||||||
| H magnitude | 14.31 (0.04) | |||||||
| K magnitude | 14.12 (0.05) | |||||||
| u magnitude | 20.42 (0.05) | 20.44 | 20.44 (0.07) | |||||
| g magnitude | 19.07 (0.01) | 19.06 | 19.06 (0.01) | |||||
| r magnitude | 17.93 (0.007) | 17.92 | 17.93 (0.007) | |||||
| i magnitude | 16.94 (0.005) | 16.92 | 16.93 (0.005) | |||||
| z magnitude | 16.33 (0.007) | 16.32 | 16.33 (0.008) | |||||
| G magnitude | 17.61 (0.02) | 17.60 | 17.61 (0.003) | |||||
| BP magnitude | 18.64 (0.02) | 18.64 | ||||||
| RP magnitude | 16.49 (0.006) | 16.51 | ||||||
| Pan g magnitude | 18.91 (0.005) | |||||||
| Pan r magnitude | 17.93 (0.003) | |||||||
| Pan i magnitude | 16.92 (0.004) | |||||||
| Pan z magnitude | 16.44 (0.003) | |||||||
| Pan y magnitude | 16.18 (0.008) | |||||||
| E(B-V) | 0.025 | |||||||
* 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.