All names: ** FAR 42, FBS B 553, TIC 9028098, GALEX J144600.7+332850, Gaia EDR3 1286621813602343936, CBS 200, SDSS J144600.72+332849.9, PG 1443+337, WISE J144600.71+332850.0, WD 1443+336, FBS 1443+337, 2MASS J14460066+3328502, UCAC4 618-052044, WDS J14460+3329AB, SDSS J144600.72+332850.0, Gaia DR2 1286621813605974656, WIRED J144600.72+332849.9, [HHD2009] SDSS J1446+3328, WISEA J144600.71+332849.9, LAMOST J144600.73+332850.6
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Gianninas et al. 2011 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 14 46 00.77 (0.04) | 14 46 00.72 | 14 46 00.77 (0.06) | 14 46 00.72 | 14 46 00.73 (124) | 14 45 59.52 | 14 46 00.72 | |||||
| Declination | 33 28 49.57 (0.07) | 33 28 49.98 | 33 28 49.58 (0.09) | 33 28 49.91 | 33 28 50.08 (125) | 33 28 50.52 | 33 28 49.96 | |||||
| Spectral type | DA+M | DA+M | DA | DA+M | DA2 | DA+M | ||||||
| Effective temperature | [K] | 29387.0 (208) | 28120.0 (491) | 7812.0 (24) | ||||||||
| log(g) | [cgs] | 7.72 (0.05) | 7.78 (0.07) | 7.93 (0.03) | ||||||||
| Mass | [M☉] | 0.51 (0.02) | 0.53 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | |||||||||||
| 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] | 4.45 (0.09) | 4.40 (0.1) | |||||||||
| Distance | [pc] | 224.95 (4) | 227.08 (7) | 1358.00 (175) | 211.00 | |||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 29.64335687 (0.05) | 29.43028348 (0.1) | 31.0 (5) | ||||||||
| Proper motion (declination) | [mas/yr] | -23.61285582 (0.1) | -23.97721092 (0.2) | -12.9 (5) | ||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | ||||||||||
| B magnitude | 16.50 (0.1) | |||||||||||
| V magnitude | 16.36 (0.01) | |||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 14.28 (0.03) | |||||||||||
| H magnitude | 13.72 (0.03) | |||||||||||
| K magnitude | 13.52 (0.04) | |||||||||||
| u magnitude | 16.10 (0.006) | 16.12 | 16.10 (0.006) | 16.12 | 16.09 (0.01) | |||||||
| g magnitude | 16.25 (0.004) | 16.30 | 16.25 (0.004) | 16.30 | 16.30 (0.01) | |||||||
| r magnitude | 16.27 (0.004) | 16.46 | 16.27 (0.004) | 16.46 | 16.46 (0.02) | |||||||
| i magnitude | 15.82 (0.004) | 15.94 | 15.82 (0.004) | 15.94 | 15.95 (0.02) | |||||||
| z magnitude | 15.40 (0.005) | 15.48 | 15.40 (0.005) | 15.48 | 15.47 (0.02) | |||||||
| G magnitude | 16.65 (0.003) | 16.63 | ||||||||||
| BP magnitude | 16.27 (0.003) | 16.20 | ||||||||||
| RP magnitude | 15.44 (0.003) | 15.44 | ||||||||||
| Pan g magnitude | 16.33 (0.007) | |||||||||||
| Pan r magnitude | 16.36 (0.004) | |||||||||||
| Pan i magnitude | 15.95 (0.008) | |||||||||||
| Pan z magnitude | 15.57 (0.003) | |||||||||||
| Pan y magnitude | 15.42 (0.005) | |||||||||||
| E(B-V) | 0.020 | |||||||||||
* 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.