All names: SDSS J113705.47+392336.6, SDSS J113705.46+392336.6, GALEX J113705.5+392336, Gaia EDR3 767382429548326656, Gaia DR3 767382429548326656, WD 1134+396, Gaia DR2 767382425251788416, [HHD2009] SDSS J1137+3923
| 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 | 11 37 05.47 (0.4) | 11 37 05.46 | 11 37 05.47 (0.7) | 11 37 05.46 | 11 37 05.47 (0.4) | 11 37 05.57 | 11 37 05.47 | |||
| Declination | 39 23 36.52 (0.4) | 39 23 36.64 | 39 23 36.52 (0.9) | 39 23 36.60 | 39 23 36.79 (0.4) | 39 23 29.40 | 39 23 36.64 | |||
| Spectral type | DA+M | DA+M | DA3.9 | DA+M | ||||||
| Effective temperature | [K] | 14728.0 (932) | 8938.0 (97) | |||||||
| log(g) | [cgs] | 7.53 (0.2) | 6.87 (0.2) | |||||||
| Mass | [M☉] | 0.38 (0.1) | ||||||||
| log(Luminosity) | [L☉] | |||||||||
| Cooling age | [Gyr] | |||||||||
| log(H/He) | ||||||||||
| log(C/He) | ||||||||||
| log(Ca/He) | ||||||||||
| log(Ca/H) | ||||||||||
| Parallax | [mas] | 4.18 (0.6) | 3.37 (2) | 4.18 (0.6) | ||||||
| Distance | [pc] | 239.01 (36) | 296.96 (153) | 125.00 (7) | 239.01 (36) | |||||
| Composition | ||||||||||
| Proper motion (right ascension) | [mas/yr] | 2.577730537 (0.6) | 6.745731263 (1) | 2.578 (0.6) | ||||||
| Proper motion (declination) | [mas/yr] | -17.0558624 (0.5) | -15.81488203 (1) | -17.056 (0.5) | ||||||
| Variability | ||||||||||
| Magnetic | ||||||||||
| Bd | [MG] | |||||||||
| Infrared excess (disk) | ||||||||||
| Binarity | WDMS | yes | WDMS | |||||||
| B magnitude | ||||||||||
| V magnitude | ||||||||||
| R magnitude | ||||||||||
| I magnitude | ||||||||||
| J magnitude | ||||||||||
| H magnitude | ||||||||||
| K magnitude | ||||||||||
| u magnitude | 19.91 (0.03) | 19.92 | 19.91 (0.04) | 19.92 | 19.93 (0.04) | |||||
| g magnitude | 19.33 (0.01) | 19.31 | 19.32 (0.01) | 19.31 | 19.33 (0.03) | |||||
| r magnitude | 19.33 (0.01) | 19.37 | 19.33 (0.01) | 19.36 | 19.38 (0.02) | |||||
| i magnitude | 18.93 (0.01) | 18.94 | 18.93 (0.01) | 18.94 | 18.95 (0.02) | |||||
| z magnitude | 18.53 (0.03) | 18.55 | 18.54 (0.03) | 18.55 | 18.56 (0.03) | |||||
| G magnitude | 19.56 (0.04) | 19.43 | 19.56 (0.006) | |||||||
| BP magnitude | 19.53 (0.04) | 19.40 | ||||||||
| RP magnitude | 18.56 (0.03) | 18.50 | ||||||||
| Pan g magnitude | 19.39 (0.01) | |||||||||
| Pan r magnitude | 19.37 (0.02) | |||||||||
| Pan i magnitude | 18.99 (0.006) | |||||||||
| Pan z magnitude | 18.63 (0.02) | |||||||||
| Pan y magnitude | 18.44 (0.02) | |||||||||
| E(B-V) | 0.015 | |||||||||
* 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.