All names: Gaia DR2 610673881963639552, Gaia DR3 610673881963639552, GALEX J090039.6+160131, WIRED J090039.62+160131.3, TIC 437056309, Gaia EDR3 610673881963639552, SDSS J090039.62+160131.2, 2MASS J09003963+1601313, SDSS J090039.62+160131.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Simbad | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 00 39.62 (0.4) | 09 00 39.62 | 09 00 39.62 (0.5) | 09 00 39.63 (0.4) | 09 00 39.62 | |||
| Declination | 16 01 31.37 (0.3) | 16 01 31.29 | 16 01 31.36 (0.4) | 16 01 31.21 (0.3) | 16 01 31.36 | |||
| Spectral type | DA+M | DA+M | DA+M | |||||
| Effective temperature | [K] | 39633.0 (694) | 41176.0 (673) | |||||
| log(g) | [cgs] | 7.72 (0.08) | 7.61 (0.07) | |||||
| Mass | [M☉] | 0.54 (0.03) | ||||||
| log(Luminosity) | [L☉] | -0.20 (0.06) | ||||||
| Cooling age | [Gyr] | 0.0036 (0.0004) | ||||||
| log(H/He) | ||||||||
| log(C/He) | ||||||||
| log(Ca/He) | ||||||||
| log(Ca/H) | ||||||||
| log(C/H) | ||||||||
| log(N/H) | ||||||||
| log(O/H) | ||||||||
| log(Na/H) | ||||||||
| log(Mg/H) | ||||||||
| log(Al/H) | ||||||||
| log(Si/H) | ||||||||
| log(P/H) | ||||||||
| log(S/H) | ||||||||
| log(Sc/H) | ||||||||
| log(Ti/H) | ||||||||
| log(Cr/H) | ||||||||
| log(Mn/H) | ||||||||
| log(Fe/H) | ||||||||
| log(Ni/H) | ||||||||
| Parallax | [mas] | -1.13 (0.4) | -1.08 (0.6) | |||||
| Distance | [pc] | |||||||
| Composition | H | |||||||
| Proper motion (right ascension) | [mas/yr] | -8.095934146 (0.4) | -2.121398875 (1) | -8.096 (0.4) | ||||
| Proper motion (declination) | [mas/yr] | 9.811813866 (0.3) | 9.516356746 (0.7) | 9.812 (0.3) | ||||
| Variability | ||||||||
| Magnetic | ||||||||
| Bd | [MG] | |||||||
| Infrared excess (disk) | ||||||||
| Binarity | WDMS | |||||||
| B magnitude | ||||||||
| V magnitude | ||||||||
| R magnitude | ||||||||
| I magnitude | ||||||||
| J magnitude | 16.98 (0.2) | |||||||
| H magnitude | 16.33 (0.2) | |||||||
| K magnitude | 15.60 (0.2) | |||||||
| u magnitude | 17.78 (0.01) | 17.78 (0.01) | 17.75 (0.03) | |||||
| g magnitude | 18.13 (0.006) | 18.13 (0.006) | 18.08 (0.03) | |||||
| r magnitude | 18.48 (0.008) | 18.48 (0.008) | 18.50 (0.02) | |||||
| i magnitude | 18.41 (0.01) | 18.41 (0.01) | 18.43 (0.02) | |||||
| z magnitude | 18.12 (0.02) | 18.12 (0.02) | 18.11 (0.03) | |||||
| G magnitude | 18.32 (0.01) | 18.32 | 18.32 (0.006) | |||||
| BP magnitude | 18.17 (0.01) | 18.11 | ||||||
| RP magnitude | 17.98 (0.02) | 17.94 | ||||||
| Pan g magnitude | 18.16 (0.005) | |||||||
| Pan r magnitude | 18.47 (0.004) | |||||||
| Pan i magnitude | 18.42 (0.02) | |||||||
| Pan z magnitude | 18.25 (0.02) | |||||||
| Pan y magnitude | 17.97 (0.02) | |||||||
| 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.