All names: Gaia DR2 3695846850294676352, Gaia EDR3 3695846850294676352, Gaia DR3 3695846850294676352, 2MASS J12383631-0040421, SDSS J123836.35-004042.3, ** FAR 37B, SDSS J123836.34-004042.2, WDS J12386-0041B, WISEA J123836.29-004042.5, WD 1236-004, WISE J123836.31-004042.2, TIC 51642314
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | Stilism | sdss-wdms.org (29/04/2016) | Tremblay et al. 2011 | Harris et al. 2003 | Simbad | Eisenstein et al. 2006 | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 12 38 36.31 (2) | 12 38 36.35 | 12 38 36.34 | 12 38 36.31 (2) | 12 38 36.35 | 12 38 35.86 | 12 38 36.35 | ||||||
| Declination | -00 40 42.61 (3) | -00 40 42.27 | -00 40 42.20 | -00 40 42.61 (3) | -00 40 42.30 | -00 40 40.80 | -00 40 42.30 | ||||||
| Spectral type | DA+M | DA+M | DA | DA1+M | M2.5 | DA+M | DA | DA+M | |||||
| Effective temperature | [K] | 44511.0 (976) | 42648.0 (917) | 43190.0 (820) | 44920.0 (641) | 45324.0 (774) | |||||||
| log(g) | [cgs] | 7.72 (0.09) | 7.84 (0.1) | 7.74 (0.08) | 7.47 (0.06) | 7.31 (0.07) | |||||||
| Mass | [M☉] | 0.55 (0.04) | 0.607 (0.05) | 0.56 (0.03) | |||||||||
| log(Luminosity) | [L☉] | 0.00 (0.07) | |||||||||||
| Cooling age | [Gyr] | 0.0026 (0.0003) | 0.0034 | ||||||||||
| 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] | ||||||||||||
| Distance | [pc] | 424.00 (103) | |||||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 11.5 | |||||||||||
| Proper motion (declination) | [mas/yr] | -18.5 | |||||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.41 (0.1) | ||||||||||||
| H magnitude | 15.87 (0.1) | ||||||||||||
| K magnitude | 15.53 (0.2) | ||||||||||||
| u magnitude | 17.01 (0.007) | 17.03 | 17.04 | 17.04 (0.03) | 17.03 | 17.04 (0.02) | |||||||
| g magnitude | 17.37 (0.005) | 17.41 | 17.40 | 17.41 (0.02) | 17.40 | 17.40 (0.02) | |||||||
| r magnitude | 17.72 (0.006) | 17.75 | 17.75 | 17.75 (0.01) | 17.74 | 17.75 (0.01) | |||||||
| i magnitude | 17.66 (0.006) | 17.75 | 17.73 | 17.75 (0.02) | 17.74 | 17.75 (0.02) | |||||||
| z magnitude | 17.45 (0.01) | 17.49 | 17.50 | 17.49 (0.02) | 17.48 | 17.51 (0.02) | |||||||
| G magnitude | 19.21 | 19.21 (0.007) | |||||||||||
| BP magnitude | |||||||||||||
| RP magnitude | |||||||||||||
| Pan g magnitude | 17.47 (0.004) | ||||||||||||
| Pan r magnitude | 17.80 (0.006) | ||||||||||||
| Pan i magnitude | 17.76 (0.01) | ||||||||||||
| Pan z magnitude | 17.60 (0.01) | ||||||||||||
| Pan y magnitude | 17.53 (0.01) | ||||||||||||
| E(B-V) | 0.023 | ||||||||||||
* 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.