All names: GALEX J130814.0+121704, 2MASS J13081405+1217053, SDSS J130814.03+121705.0, TIC 198287837, WD 1305+125, Gaia DR3 3737435392283059968, Gaia EDR3 3737435392283059968, [HHD2009] SDSS J1308+1217, Gaia DR2 3737435392283059968, WIRED J130814.03+121705.0, SDSS J130814.03+121705.1
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 08 13.98 (0.1) | 13 08 14.03 | 13 08 13.98 (0.2) | 13 08 14.03 | 13 08 14.05 (0.1) | 13 08 14.03 | 13 08 13.54 | 13 08 14.03 | |||||
| Declination | 12 17 04.41 (0.1) | 12 17 05.07 | 12 17 04.44 (0.1) | 12 17 04.99 | 12 17 05.34 (0.1) | 12 17 05.07 | 12 17 00.24 | 12 17 05.07 | |||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA d | DA+M | DA | ||||||
| Effective temperature | [K] | 12681.0 (613) | 13220.0 (650) | 9644.0 (65) | 9488.0 (70) | ||||||||
| log(g) | [cgs] | 7.48 (0.1) | 7.85 (0.1) | 7.45 (0.09) | 7.15 (0.1) | ||||||||
| Mass | [M☉] | 0.36 (0.06) | 0.53 (0.06) | ||||||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2692 | |||||||||||
| 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] | 2.78 (0.2) | 2.81 (0.2) | 2.78 (0.2) | |||||||||
| Distance | [pc] | 359.48 (23) | 355.37 (24) | 1221.00 (227) | 359.48 (23) | ||||||||
| Composition | H | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -67.3678152 (0.2) | -67.13210542 (0.4) | -67.368 (0.2) | -92.1 | ||||||||
| Proper motion (declination) | [mas/yr] | -57.81893216 (0.3) | -58.10749479 (0.3) | -57.819 (0.3) | -83.8 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.32 (0.009) | ||||||||||||
| H magnitude | 15.89 (0.01) | ||||||||||||
| K magnitude | 15.66 (0.02) | ||||||||||||
| u magnitude | 19.19 (0.03) | 19.21 | 19.21 (0.03) | 19.21 (0.03) | 19.21 | 19.20 (0.03) | |||||||
| g magnitude | 18.59 (0.008) | 18.62 | 18.58 (0.008) | 18.62 (0.02) | 18.62 | 18.60 (0.02) | |||||||
| r magnitude | 18.62 (0.009) | 18.63 | 18.62 (0.009) | 18.63 (0.01) | 18.63 | 18.61 (0.01) | |||||||
| i magnitude | 18.15 (0.008) | 18.18 | 18.15 (0.008) | 18.18 (0.01) | 18.18 | 18.15 (0.01) | |||||||
| z magnitude | 17.63 (0.02) | 17.65 | 17.66 (0.02) | 17.65 (0.03) | 17.65 | 17.63 (0.03) | |||||||
| G magnitude | 18.34 (0.01) | 18.35 | 18.34 (0.003) | ||||||||||
| BP magnitude | 18.66 (0.01) | 18.71 | |||||||||||
| RP magnitude | 17.71 (0.01) | 17.75 | |||||||||||
| Pan g magnitude | 18.61 (0.003) | ||||||||||||
| Pan r magnitude | 18.63 (0.01) | ||||||||||||
| Pan i magnitude | 18.16 (0.005) | ||||||||||||
| Pan z magnitude | 17.75 (0.006) | ||||||||||||
| Pan y magnitude | 17.47 (0.008) | ||||||||||||
| E(B-V) | 0.023 | ||||||||||||
* 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.