All names: [SGR2010] J1606+4245, SDSS J160655.28+424526.4, WD 1605+428, Gaia DR3 1384958354020661504, 2MASS J16065530+4245267, Gaia DR2 1384958349724592896, WIRED J160655.28+424526.3, SDSS J160655.28+424526.3, LAMOST J160655.28+424526.3, GALEX J160655.3+424526, [HHD2009] SDSS J1606+4245, Gaia EDR3 1384958354020661504, TIC 219475385
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | 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 | 16 06 55.28 (0.3) | 16 06 55.28 | 16 06 55.28 (0.2) | 16 06 55.28 | 16 06 55.28 (0.3) | 16 06 55.28 | 16 06 55.34 | 16 06 55.28 | |||||
| Declination | 42 45 26.28 (0.3) | 42 45 26.31 | 42 45 26.28 (0.2) | 42 45 26.32 | 42 45 26.21 (0.3) | 42 45 26.36 | 42 45 20.16 | 42 45 26.36 | |||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 31353.0 (229) | 31488.0 (471) | 31950.0 (430) | 8524.0 (39) | 8539.0 (62) | |||||||
| log(g) | [cgs] | 7.84 (0.05) | 7.88 (0.1) | 7.82 (0.1) | 9.00 (0.005) | 8.95 (0.07) | |||||||
| Mass | [M☉] | 0.57 (0.03) | 0.59 (0.06) | 0.56 (0.04) | |||||||||
| log(Luminosity) | [L☉] | -0.71 (0.04) | |||||||||||
| Cooling age | [Gyr] | 0.0076 (0.0002) | 0.0081 | ||||||||||
| 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] | 1.69 (0.3) | 1.06 (0.3) | 1.69 (0.3) | |||||||||
| Distance | [pc] | 590.38 (115) | 940.43 (248) | 337.00 (27) | 590.39 (115) | ||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 0.162105119 (0.4) | 0.622758303 (0.8) | 0.162 (0.4) | -3.4 | ||||||||
| Proper motion (declination) | [mas/yr] | 4.765191668 (0.4) | 3.023158479 (0.5) | 4.765 (0.4) | 4.1 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.47 (0.1) | ||||||||||||
| H magnitude | 16.28 (0.08) | ||||||||||||
| K magnitude | 15.13 (0.1) | ||||||||||||
| u magnitude | 17.83 (0.01) | 17.83 | 17.83 (0.01) | 17.83 (0.02) | 17.83 | 17.83 (0.02) | |||||||
| g magnitude | 18.05 (0.007) | 18.08 | 18.05 (0.007) | 18.08 (0.03) | 18.08 | 18.09 (0.02) | |||||||
| r magnitude | 18.32 (0.008) | 18.37 | 18.32 (0.008) | 18.37 (0.02) | 18.37 | 18.36 (0.02) | |||||||
| i magnitude | 18.03 (0.008) | 18.12 | 18.03 (0.008) | 18.12 (0.01) | 18.12 | 18.11 (0.02) | |||||||
| z magnitude | 17.65 (0.02) | 17.70 | 17.65 (0.02) | 17.70 (0.02) | 17.70 | 17.69 (0.02) | |||||||
| G magnitude | 18.38 (0.01) | 18.39 | 18.38 (0.007) | ||||||||||
| BP magnitude | 18.16 (0.01) | 18.13 | |||||||||||
| RP magnitude | 17.66 (0.01) | 17.67 | |||||||||||
| Pan g magnitude | 18.13 (0.005) | ||||||||||||
| Pan r magnitude | 18.38 (0.004) | ||||||||||||
| Pan i magnitude | 18.09 (0.004) | ||||||||||||
| Pan z magnitude | 17.78 (0.005) | ||||||||||||
| Pan y magnitude | 17.61 (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.