All names: [HHD2009] SDSS J0919+2944, WIRED J091916.07+294420.3, Gaia DR3 698786540494688896, WD 0916+299, Gaia EDR3 698786540494688896, TIC 149399120, SDSS J091916.08+294420.4, 2MASS J09191608+2944204, GALEX J091916.0+294421, SDSS J091916.07+294420.3, Gaia DR2 698786540494688896
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 09 19 16.07 (2) | 09 19 16.08 | 09 19 16.07 (4) | 09 19 16.07 | 09 19 16.07 (2) | 09 19 15.67 | 09 19 16.07 | ||||
| Declination | 29 44 20.23 (1) | 29 44 20.41 | 29 44 20.22 (4) | 29 44 20.29 | 29 44 20.23 (1) | 29 44 18.60 | 29 44 20.35 | ||||
| Spectral type | DA+M | DA+M | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 30494.0 (602) | 30071.0 (617) | 7371.0 (59) | |||||||
| log(g) | [cgs] | 7.24 (0.1) | 7.41 (0.2) | 7.64 (0.1) | |||||||
| Mass | [M☉] | 0.35 (0.05) | 0.4 (0.05) | ||||||||
| log(Luminosity) | [L☉] | -0.36 (0.1) | |||||||||
| Cooling age | [Gyr] | 0.0006 (0.0005) | |||||||||
| 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] | ||||||||||
| Distance | [pc] | 373.00 (120) | |||||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | ||||||||||
| Proper motion (declination) | [mas/yr] | ||||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 16.66 (0.2) | ||||||||||
| H magnitude | 15.81 (0.2) | ||||||||||
| K magnitude | 15.63 (0.07) | ||||||||||
| u magnitude | 18.73 (0.02) | 18.78 | 18.76 (0.02) | 18.78 | 18.76 (0.02) | ||||||
| g magnitude | 18.83 (0.008) | 18.84 | 18.84 (0.009) | 18.84 | 18.85 (0.02) | ||||||
| r magnitude | 18.86 (0.01) | 18.84 | 18.85 (0.01) | 18.84 | 18.85 (0.01) | ||||||
| i magnitude | 18.32 (0.009) | 18.36 | 18.36 (0.009) | 18.36 | 18.35 (0.01) | ||||||
| z magnitude | 17.88 (0.02) | 17.91 | 17.91 (0.02) | 17.91 | 17.91 (0.02) | ||||||
| G magnitude | 18.83 (0.03) | 18.70 | 18.83 (0.01) | ||||||||
| BP magnitude | 18.82 (0.03) | 18.82 | |||||||||
| RP magnitude | 17.97 (0.02) | 17.93 | |||||||||
| Pan g magnitude | 18.86 (0.007) | ||||||||||
| Pan r magnitude | 18.83 (0.004) | ||||||||||
| Pan i magnitude | 18.34 (0.008) | ||||||||||
| Pan z magnitude | 18.00 (0.006) | ||||||||||
| Pan y magnitude | 17.84 (0.02) | ||||||||||
| E(B-V) | 0.021 | ||||||||||
* 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.