All names: SDSS J134942.49+473001.6, Gaia EDR3 1509918606431166080, Gaia DR2 1509918606431166080, TIC 393926156, 2MASS J13494250+4730015, [HHD2009] SDSS J1349+4730, SDSS J134942.50+473001.7, SDSS J134942.50+473001.6, GALEX J134942.5+473002, WIRED J134942.49+473001.6, WDJ134942.51+473001.68, SDSS J134942.49+473001.5, WD 1347+477, Gaia DR3 1509918606431166080
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Kilic et al. 2026b | MWDD H | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 49 42.49 (0.2) | 13 49 42.50 | 13 49 42.49 (0.2) | 13 49 42.49 | 13 49 42.51 (0.2) | 13 49 42.50 | 13 49 42.31 | 13 49 42.50 | ||||||
| Declination | 47 30 01.41 (0.2) | 47 30 01.65 | 47 30 01.42 (0.2) | 47 30 01.58 | 47 30 01.65 (0.2) | 47 30 01.67 | 47 29 56.76 | 47 30 01.67 | ||||||
| Spectral type | DAM | DA+M | DA+M | DA | DA+M | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 23849.0 (722) | 9620.0 | 24443.0 (469) | 25490.0 (320) | 24011.0 (423) | 23119.0 (255) | |||||||
| log(g) | [cgs] | 7.71 (0.09) | 6.76 | 7.96 (0.06) | 8.00 (0.05) | 7.75 (0.04) | 7.70 (0.04) | |||||||
| Mass | [M☉] | 0.489 (0.05) | 0.172 | 0.61 (0.04) | 0.64 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||||
| Cooling age | [Gyr] | 0.0214 | ||||||||||||
| log(H/He) | ||||||||||||||
| log(C/He) | ||||||||||||||
| log(Ca/He) | ||||||||||||||
| log(Ca/H) | ||||||||||||||
| log(Li/H) | ||||||||||||||
| log(Be/H) | ||||||||||||||
| log(B/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(Cl/H) | ||||||||||||||
| log(K/H) | ||||||||||||||
| log(Sc/H) | ||||||||||||||
| log(Ti/H) | ||||||||||||||
| log(V/H) | ||||||||||||||
| log(Cr/H) | ||||||||||||||
| log(Mn/H) | ||||||||||||||
| log(Fe/H) | ||||||||||||||
| log(Co/H) | ||||||||||||||
| log(Ni/H) | ||||||||||||||
| log(Cu/H) | ||||||||||||||
| log(Sr/H) | ||||||||||||||
| Parallax | [mas] | 3.13 (0.3) | 3.88 (0.3) | 3.13 (0.3) | ||||||||||
| Distance | [pc] | 319.37 (30) | 257.75 (22) | 319.38 (30) | ||||||||||
| Composition | H | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -10.65705868 (0.3) | -10.28326689 (0.4) | -10.657 (0.3) | -8.4 | |||||||||
| Proper motion (declination) | [mas/yr] | -15.06612559 (0.3) | -16.61269638 (0.4) | -15.066 (0.3) | -13.9 | |||||||||
| Variability | ||||||||||||||
| Magnetic | ||||||||||||||
| Bd | [MG] | |||||||||||||
| Infrared excess (disk) | ||||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||||
| B magnitude | ||||||||||||||
| V magnitude | ||||||||||||||
| R magnitude | ||||||||||||||
| I magnitude | ||||||||||||||
| J magnitude | 16.13 (0.09) | |||||||||||||
| H magnitude | 15.34 (0.1) | |||||||||||||
| K magnitude | 15.11 (0.1) | |||||||||||||
| u magnitude | 17.30 (0.008) | 17.30 | 17.30 (0.008) | 17.30 (0.02) | 17.30 | 17.32 (0.02) | ||||||||
| g magnitude | 17.38 (0.005) | 17.40 | 17.38 (0.005) | 17.39 (0.03) | 17.40 | 17.40 (0.03) | ||||||||
| r magnitude | 17.75 (0.006) | 17.77 | 17.75 (0.006) | 17.77 (0.02) | 17.77 | 17.77 (0.02) | ||||||||
| i magnitude | 17.68 (0.007) | 17.69 | 17.68 (0.007) | 17.69 (0.02) | 17.69 | 17.70 (0.02) | ||||||||
| z magnitude | 17.32 (0.01) | 17.31 | 17.32 (0.01) | 17.32 (0.02) | 17.32 | 17.33 (0.02) | ||||||||
| G magnitude | 17.64 (0.005) | 17.58 | 17.64 (0.005) | |||||||||||
| BP magnitude | 17.51 (0.005) | 17.47 | ||||||||||||
| RP magnitude | 17.27 (0.008) | 17.26 | ||||||||||||
| Pan g magnitude | 17.48 (0.009) | |||||||||||||
| Pan r magnitude | 17.78 (0.005) | |||||||||||||
| Pan i magnitude | 17.71 (0.004) | |||||||||||||
| Pan z magnitude | 17.45 (0.006) | |||||||||||||
| Pan y magnitude | 17.20 (0.009) | |||||||||||||
| 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.