All names: TIC 330622653, Gaia DR2 606938634805314944, WDS J09040+1349B, 2MASS J09040283+1349110, SDSS J090402.82+134911.2, SDSS J090402.82+134911.1, PG 0901+140B, Gaia EDR3 606938634805314944, J0904+1349, WDJ090402.86+134911.33, LAMOST J090402.82+134911.1, ** FAR 7B, Gaia DR3 606938634805314944, SDSS J090402.81+134911.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2025 | Caron et al. 2023 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Guo et al. 2015 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 04 02.73 (0.04) | 09 04 02.82 | 09 04 02.74 (0.06) | 09 04 02.73 | 09 04 02.86 (0.04) | 09 04 02.74 | 09 04 02.82 | |||||||||
| Declination | 13 49 10.90 (0.03) | 13 49 11.13 | 13 49 10.91 (0.05) | 13 49 10.90 | 13 49 11.33 (0.03) | 13 49 10.91 | 13 49 11.15 | |||||||||
| Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | ||||||
| Effective temperature | [K] | 8186.0 (38) | 8221.0 (35) | 8184.0 (38) | 8097.0 | 8105.0 (60) | 8031.0 (19) | |||||||||
| log(g) | [cgs] | 7.98 (0.009) | 8.00 (0.009) | 7.99 (0.009) | 7.97 | 7.96 (0.01) | 7.99 (0.03) | |||||||||
| Mass | [M☉] | 0.585 (0.007) | 0.595 (0.007) | 0.589 (0.008) | 0.576 | 0.573 (0.01) | 0.59 (0.02) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||||
| Cooling age | [Gyr] | 1.0400 | 0.9950 | |||||||||||||
| 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] | 17.74 (0.05) | 17.82 (0.08) | 17.82 (0.08) | 17.74 | 17.74 (0.05) | 17.82 (0.08) | |||||||||
| Distance | [pc] | 56.36 (0.2) | 56.12 (0.3) | 56.13 (0.2) | 56.36 | 56.36 (0.2) | 56.13 (0.2) | |||||||||
| Composition | H | H | H | |||||||||||||
| Proper motion (right ascension) | [mas/yr] | -115.228 (0.06) | -115.208258 (0.1) | -115.228 (0.06) | -115.208 | |||||||||||
| Proper motion (declination) | [mas/yr] | -26.775 (0.05) | -26.76377662 (0.1) | -26.775 (0.05) | -26.764 | |||||||||||
| Variability | ||||||||||||||||
| Magnetic | ||||||||||||||||
| Bd | [MG] | |||||||||||||||
| Infrared excess (disk) | ||||||||||||||||
| Binarity | ||||||||||||||||
| B magnitude | ||||||||||||||||
| V magnitude | ||||||||||||||||
| R magnitude | ||||||||||||||||
| I magnitude | ||||||||||||||||
| J magnitude | 16.20 (0.01) | 16.14 (0.1) | ||||||||||||||
| H magnitude | 16.02 (0.2) | 16.02 (0.2) | ||||||||||||||
| K magnitude | 15.80 (0.2) | 15.80 (0.2) | ||||||||||||||
| u magnitude | 17.13 (0.009) | 17.10 (0.01) | 17.13 (0.009) | 17.13 (0.009) | 17.03 (0.07) | |||||||||||
| g magnitude | 16.73 (0.004) | 16.73 (0.004) | 16.73 (0.004) | 16.76 (0.07) | ||||||||||||
| r magnitude | 16.65 (0.004) | 16.65 (0.004) | 16.65 (0.004) | 16.65 (0.07) | ||||||||||||
| i magnitude | 16.69 (0.005) | 16.69 (0.005) | 16.69 (0.005) | 16.71 (0.06) | ||||||||||||
| z magnitude | 16.79 (0.01) | 16.79 (0.01) | 16.79 (0.01) | 16.82 (0.05) | ||||||||||||
| G magnitude | 16.60 (0.003) | 16.62 | 16.60 | 16.60 (0.003) | 16.62 | |||||||||||
| BP magnitude | 16.73 (0.005) | 16.71 | 16.71 | |||||||||||||
| RP magnitude | 16.37 (0.006) | 16.37 | 16.37 | |||||||||||||
| Pan g magnitude | 16.70 (0.003) | 16.70 (0.003) | ||||||||||||||
| Pan r magnitude | 16.65 (0.003) | 16.65 (0.003) | ||||||||||||||
| Pan i magnitude | 16.71 (0.003) | 16.71 (0.003) | ||||||||||||||
| Pan z magnitude | 16.79 (0.004) | 16.79 (0.004) | ||||||||||||||
| Pan y magnitude | 16.84 (0.01) | 16.84 (0.01) | ||||||||||||||
| E(B-V) | 0.002 | |||||||||||||||
* 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.