All names: SDSS J090210.98+252913.5, SDSS J090210.97+252913.5, 2MASS J09021095+2529133, Gaia DR2 691461082931000832, Gaia EDR3 691461082931000832, SDSS J090210.97+252913.4, WISE J090210.98+252913.6, TIC 126349251, Gaia DR3 691461082931000832, LAMOST J090210.97+252913.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Simbad |
|---|---|---|---|---|---|---|---|
| Right ascension | 09 02 10.99 (1) | 09 02 10.98 | 09 02 10.99 (1) | 09 02 10.97 | 09 02 10.96 (140) | ||
| Declination | 25 29 13.48 (0.6) | 25 29 13.49 | 25 29 13.48 (0.9) | 25 29 13.49 | 25 29 13.38 (60) | ||
| Spectral type | WD+M | dM4+D | |||||
| 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] | ||||||
| Distance | [pc] | ||||||
| Composition | |||||||
| Proper motion (right ascension) | [mas/yr] | -4.0 (3) | |||||
| Proper motion (declination) | [mas/yr] | -2.0 (3) | |||||
| Variability | |||||||
| Magnetic | |||||||
| Bd | [MG] | ||||||
| Infrared excess (disk) | |||||||
| Binarity | WDMS | ||||||
| B magnitude | |||||||
| V magnitude | |||||||
| R magnitude | |||||||
| I magnitude | |||||||
| J magnitude | 13.88 (0.03) | ||||||
| H magnitude | 13.35 (0.03) | ||||||
| K magnitude | 13.07 (0.03) | ||||||
| u magnitude | 18.91 (0.02) | 19.23 | 18.90 (0.02) | ||||
| g magnitude | 18.54 (0.008) | 18.85 | 18.53 (0.008) | ||||
| r magnitude | 17.42 (0.005) | 17.76 | 17.42 (0.005) | ||||
| i magnitude | 16.07 (0.004) | 16.46 | 16.07 (0.004) | ||||
| z magnitude | 15.32 (0.005) | 15.69 | 15.31 (0.005) | ||||
| G magnitude | 17.06 (0.02) | 16.90 | 17.06 (0.01) | ||||
| BP magnitude | 18.29 (0.02) | 18.29 | |||||
| RP magnitude | 15.58 (0.003) | 15.60 | |||||
| Pan g magnitude | 18.69 (0.007) | ||||||
| Pan r magnitude | 17.48 (0.009) | ||||||
| Pan i magnitude | 16.09 (0.008) | ||||||
| Pan z magnitude | 15.47 (0.004) | ||||||
| Pan y magnitude | 15.17 (0.005) | ||||||
| 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.