All names: WD 1229+384, TIC 321451337, SDSS J123223.80+380858.6, 2MASS J12322379+3808591, USNO-B1.0 1281-00251143, SDSS J123223.81+380858.7, WIRED J123223.80+380858.6, SDSS J123223.80+380858.7, [HHD2009] SDSS J1232+3808, Gaia EDR3 1519927701296195456, CSO 1336
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 32 23.76 (0.5) | 12 32 23.81 | 12 32 23.80 | 12 32 23.81 (113) | 12 32 23.62 | 12 32 23.81 | |||
| Declination | 38 08 58.96 (0.4) | 38 08 58.73 | 38 08 58.60 | 38 08 59.09 (153) | 38 08 51.36 | 38 08 58.70 | |||
| Spectral type | DA+M | DA+M | DA2.0 M | DA+M | |||||
| Effective temperature | [K] | 25302.0 (715) | 6302.0 (8) | ||||||
| log(g) | [cgs] | 8.17 (0.09) | 5.01 (0.02) | ||||||
| Mass | [M☉] | 0.74 (0.06) | |||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.56 (0.7) | |||||||
| Distance | [pc] | 1783.40 (2237) | 1797.00 (442) | ||||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -29.66353412 (0.5) | -30.0 (3) | ||||||
| Proper motion (declination) | [mas/yr] | -12.59912089 (0.7) | -2.0 (4) | ||||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | WDMS | WDMS | |||||||
| B magnitude | 17.60 | ||||||||
| V magnitude | |||||||||
| R magnitude | 17.30 | ||||||||
| I magnitude | |||||||||
| J magnitude | 14.75 (0.04) | ||||||||
| H magnitude | 14.19 (0.04) | ||||||||
| K magnitude | 14.03 (0.04) | ||||||||
| u magnitude | 17.73 (0.01) | 17.70 | 17.70 (0.01) | 17.70 | 17.73 (0.03) | ||||
| g magnitude | 17.70 (0.005) | 17.77 | 17.70 (0.007) | 17.76 | 17.77 (0.02) | ||||
| r magnitude | 17.62 (0.005) | 17.75 | 17.62 (0.008) | 17.74 | 17.73 (0.03) | ||||
| i magnitude | 16.78 (0.005) | 16.87 | 16.80 (0.008) | 16.87 | 16.86 (0.02) | ||||
| z magnitude | 16.16 (0.007) | 16.21 | 16.20 (0.01) | 16.21 | 16.20 (0.01) | ||||
| G magnitude | 17.73 (0.02) | ||||||||
| BP magnitude | 17.70 (0.02) | ||||||||
| RP magnitude | 16.32 (0.004) | ||||||||
| Pan g magnitude | 17.73 (0.007) | ||||||||
| Pan r magnitude | 17.69 (0.008) | ||||||||
| Pan i magnitude | 16.84 (0.006) | ||||||||
| Pan z magnitude | 16.28 (0.004) | ||||||||
| Pan y magnitude | 16.00 (0.003) | ||||||||
| E(B-V) | 0.016 | ||||||||
* 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.