All names: [SGR2010] J1205+0312, WD 1202+034, USNO-B1.0 0932-00242159, LAMOST J120507.97+031234.4, GALEX J120507.9+031233, SDSS J120507.97+031234.4, [HHD2009] SDSS J1205+0312, Gaia EDR3 3892219145979927808, WISEA J120507.97+031234.1, WISE J120507.98+031234.3, SDSS J120507.98+031234.5, 2MASS J12050800+0312344, TIC 376851903, Gaia DR2 3892219141683626624
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | 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 | 12 05 07.94 (0.7) | 12 05 07.97 | 12 05 07.94 (0.8) | 12 05 07.97 | 12 05 07.99 (238) | 12 05 07.97 | 12 05 06.70 | 12 05 07.97 | ||||
| Declination | 03 12 33.94 (0.6) | 03 12 34.45 | 03 12 33.95 (1) | 03 12 34.42 | 03 12 34.53 (105) | 03 12 34.46 | 03 12 29.88 | 03 12 34.42 | ||||
| Spectral type | DA+M | DA | DA+M | DA+M | DA+M | DA+M | ||||||
| Effective temperature | [K] | 12828.0 (394) | 13410.0 (530) | 10296.0 (67) | 10223.0 (54) | |||||||
| log(g) | [cgs] | 8.07 (0.1) | 8.10 (0.09) | 8.14 (0.08) | 8.04 (0.06) | |||||||
| Mass | [M☉] | 0.65 (0.08) | 0.67 (0.05) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.3548 | ||||||||||
| 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] | 0.16 (0.9) | ||||||||||
| Distance | [pc] | 6308.88 (34921) | 579.00 (83) | |||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -23.95179113 (1) | -26.0 (7) | -29.4 | ||||||||
| Proper motion (declination) | [mas/yr] | -43.80627417 (0.6) | -30.0 (3) | -31.0 | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | 17.90 | |||||||||||
| V magnitude | ||||||||||||
| R magnitude | 18.70 | |||||||||||
| I magnitude | ||||||||||||
| J magnitude | 16.02 (0.09) | |||||||||||
| H magnitude | 15.33 (0.1) | |||||||||||
| K magnitude | 14.80 (0.1) | |||||||||||
| u magnitude | 18.81 (0.02) | 18.85 | 18.81 (0.02) | 18.85 (0.02) | 18.85 | 18.84 (0.02) | ||||||
| g magnitude | 18.43 (0.008) | 18.51 | 18.44 (0.008) | 18.51 (0.03) | 18.51 | 18.50 (0.03) | ||||||
| r magnitude | 18.46 (0.009) | 18.53 | 18.47 (0.009) | 18.53 (0.03) | 18.52 | 18.51 (0.03) | ||||||
| i magnitude | 17.97 (0.009) | 18.04 | 17.97 (0.009) | 18.04 (0.02) | 18.05 | 18.03 (0.02) | ||||||
| z magnitude | 17.37 (0.02) | 17.46 | 17.40 (0.02) | 17.46 (0.03) | 17.45 | 17.44 (0.03) | ||||||
| G magnitude | 18.52 (0.02) | 18.47 | 18.47 (0.01) | |||||||||
| BP magnitude | 18.52 (0.02) | 18.52 | ||||||||||
| RP magnitude | 17.53 (0.01) | 17.53 | ||||||||||
| Pan g magnitude | 18.47 (0.007) | |||||||||||
| Pan r magnitude | 18.52 (0.008) | |||||||||||
| Pan i magnitude | 18.02 (0.007) | |||||||||||
| Pan z magnitude | 17.56 (0.006) | |||||||||||
| Pan y magnitude | 17.26 (0.008) | |||||||||||
| E(B-V) | 0.024 | |||||||||||
* 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.