All names: WIRED J143809.13+330905.0, Gaia DR3 1287480463466590848, GALEX J143809.1+330905, SDSS J143809.13+330905.1, SDSS J143809.12+330905.1, 2MASS J14380915+3309052, SDSS J143809.13+330905.0, WD 1436+333, SDSS J143809.12+330904.9, [SGR2010] J1438+3309, TIC 450346242, [HHD2009] SDSS J1438+3309, Gaia DR2 1287480463466590848, CSO 480, LAMOST J143809.13+330905.0, Gaia EDR3 1287480463466590848
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Vincent et al. 2024 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 38 09.10 (0.03) | 14 38 09.13 | 14 38 09.10 (0.04) | 14 38 09.13 | 14 38 09.10 | 14 38 09.14 (0.03) | 14 38 09.02 | 14 38 09.13 | ||||
| Declination | 33 09 04.68 (0.04) | 33 09 05.11 | 33 09 04.70 (0.05) | 33 09 05.00 | 33 09 04.68 | 33 09 05.14 (0.04) | 33 08 58.20 | 33 09 05.09 | ||||
| Spectral type | DA+M | DA | DA+M | DA2.3 M | DA+M | DA+MS | ||||||
| Effective temperature | [K] | 21785.0 (271) | 9222.0 (27) | |||||||||
| log(g) | [cgs] | 7.82 (0.04) | 8.41 (0.03) | |||||||||
| Mass | [M☉] | 0.53 (0.02) | ||||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| log(H/He) | ||||||||||||
| log(C/He) | ||||||||||||
| log(Ca/He) | ||||||||||||
| log(Ca/H) | ||||||||||||
| Parallax | [mas] | 3.94 (0.06) | 4.02 (0.08) | 3.94 | 3.94 (0.06) | |||||||
| Distance | [pc] | 253.59 (4) | 248.76 (5) | 255.00 (77) | 253.59 | 253.59 (4) | ||||||
| Composition | ||||||||||||
| Proper motion (right ascension) | [mas/yr] | -30.9209353 (0.03) | -30.86921249 (0.07) | -30.921 (0.03) | ||||||||
| Proper motion (declination) | [mas/yr] | -28.53399011 (0.05) | -28.44019923 (0.1) | -28.534 (0.05) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | 16.00 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.30 (0.05) | |||||||||||
| H magnitude | 14.79 (0.07) | |||||||||||
| K magnitude | 14.32 (0.07) | |||||||||||
| u magnitude | 17.24 (0.008) | 17.28 | 17.20 (0.008) | 17.28 | 17.24 (0.02) | |||||||
| g magnitude | 17.23 (0.005) | 17.26 | 17.23 (0.005) | 17.26 | 17.25 (0.01) | |||||||
| r magnitude | 17.44 (0.005) | 17.43 | 17.44 (0.005) | 17.43 | 17.43 (0.02) | |||||||
| i magnitude | 17.05 (0.005) | 17.05 | 17.05 (0.005) | 17.05 | 17.05 (0.02) | |||||||
| z magnitude | 16.58 (0.008) | 16.60 | 16.59 (0.008) | 16.60 | 16.58 (0.02) | |||||||
| G magnitude | 17.11 (0.004) | 17.12 | 17.11 | 17.11 (0.003) | ||||||||
| BP magnitude | 17.31 (0.004) | 17.27 | ||||||||||
| RP magnitude | 16.61 (0.004) | 16.63 | ||||||||||
| Pan g magnitude | 17.27 (0.006) | |||||||||||
| Pan r magnitude | 17.45 (0.003) | |||||||||||
| Pan i magnitude | 17.08 (0.004) | |||||||||||
| Pan z magnitude | 16.66 (0.004) | |||||||||||
| Pan y magnitude | 16.44 (0.005) | |||||||||||
| E(B-V) | 0.019 | |||||||||||
* 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.