All names: SDSS J160434.04+075916.3, [HHD2009] SDSS J1604+0759, WD 1602+081, Gaia EDR3 4451534487620815360, Gaia DR2 4451534487620815360, Gaia DR3 4451534487620815360, GALEX J160433.9+075916, SDSS J160434.05+075916.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 04 34.05 (0.4) | 16 04 34.05 | 16 04 34.05 (0.7) | 16 04 34.04 | 16 04 34.05 (0.4) | 16 04 33.53 | 16 04 34.05 | |||
| Declination | 07 59 15.76 (0.5) | 07 59 16.39 | 07 59 15.78 (0.8) | 07 59 16.30 | 07 59 16.51 (0.5) | 07 59 09.60 | 07 59 16.40 | |||
| Spectral type | DC+M | DC+M | DC: d | DA:M | ||||||
| Effective temperature | [K] | 6372.0 (66) | ||||||||
| log(g) | [cgs] | 9.93 (0.1) | ||||||||
| Mass | [M☉] | |||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 1.41 (0.7) | 0.91 (0.8) | 1.41 (0.7) | ||||||
| Distance | [pc] | 710.01 (328) | 1099.30 (1019) | 710.03 (328) | ||||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 4.538369509 (0.6) | 6.007126338 (1) | 4.538 (0.6) | ||||||
| Proper motion (declination) | [mas/yr] | -46.60936816 (0.6) | -47.99243851 (2) | -46.609 (0.6) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | |||||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 20.68 (0.06) | 20.70 | 20.69 (0.07) | 20.70 | 20.70 (0.07) | |||||
| g magnitude | 20.40 (0.02) | 20.40 | 20.41 (0.02) | 20.40 | 20.41 (0.03) | |||||
| r magnitude | 20.43 (0.02) | 20.40 | 20.43 (0.03) | 20.39 | 20.40 (0.03) | |||||
| i magnitude | 19.97 (0.02) | 19.95 | 19.98 (0.02) | 19.94 | 19.96 (0.02) | |||||
| z magnitude | 19.34 (0.05) | 19.31 | 19.33 (0.05) | 19.30 | 19.31 (0.04) | |||||
| G magnitude | 20.11 (0.09) | 20.16 | 20.11 (0.006) | |||||||
| BP magnitude | 20.41 (0.09) | 20.36 | ||||||||
| RP magnitude | 19.56 (0.07) | 19.52 | ||||||||
| Pan g magnitude | 20.39 (0.03) | |||||||||
| Pan r magnitude | 20.41 (0.01) | |||||||||
| Pan i magnitude | 20.00 (0.009) | |||||||||
| Pan z magnitude | 19.44 (0.02) | |||||||||
| Pan y magnitude | 19.09 (0.05) | |||||||||
| E(B-V) | 0.041 | |||||||||
* 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.