All names: WIRED J150700.50+481136.6, WISE J150700.42+481136.8, [HHD2009] SDSS J1507+4811, TIC 286901524, 2MASS J15070045+4811365, Gaia EDR3 1588879690382193152, SDSS J150700.50+481136.6, WISEA J150700.41+481136.8, WD 1505+483, Gaia DR2 1588879690382193152, SDSS J150700.50+481136.5
| Parameter | Unit | Gaia EDR3 | 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 | 15 07 00.39 (0.08) | 15 07 00.50 | 15 07 00.39 (0.1) | 15 07 00.50 | 15 07 00.50 | 15 07 00.50 | 15 07 00.36 | 15 07 00.50 | |||
| Declination | 48 11 36.95 (0.09) | 48 11 36.60 | 48 11 36.94 (0.1) | 48 11 36.60 | 48 11 36.60 | 48 11 36.63 | 48 11 30.84 | 48 11 36.63 | |||
| Spectral type | DA+M | DA | DA+dM | DA+M | DA d | DA+M | |||||
| Effective temperature | [K] | 15782.0 (438) | 12060.0 (340) | 8178.0 (105) | 7897.0 (45) | ||||||
| log(g) | [cgs] | 7.76 (0.1) | 8.31 (0.08) | 6.53 (0.3) | 5.52 (0.09) | ||||||
| Mass | [M☉] | 0.49 (0.05) | 0.8 (0.05) | ||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | 0.6310 | |||||||||
| 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] | 3.40 (0.1) | 2.94 (0.1) | ||||||||
| Distance | [pc] | 294.08 (9) | 340.50 (16) | 498.00 (56) | |||||||
| Composition | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -44.69985853 (0.1) | -44.77247578 (0.2) | -46.6 | |||||||
| Proper motion (declination) | [mas/yr] | 21.26386406 (0.1) | 21.33179021 (0.3) | 21.2 | |||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||
| B magnitude | |||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 15.38 (0.05) | ||||||||||
| H magnitude | 14.82 (0.07) | ||||||||||
| K magnitude | 14.74 (0.09) | ||||||||||
| u magnitude | 18.34 (0.01) | 18.35 | 18.34 (0.01) | 18.35 (0.03) | 18.35 | 18.36 (0.03) | |||||
| g magnitude | 17.92 (0.006) | 18.06 | 17.92 (0.006) | 18.07 (0.02) | 18.07 | 18.06 (0.02) | |||||
| r magnitude | 17.69 (0.006) | 18.12 | 17.69 (0.006) | 18.12 (0.01) | 18.12 | 18.13 (0.01) | |||||
| i magnitude | 17.08 (0.006) | 17.26 | 17.08 (0.006) | 17.26 (0.02) | 17.26 | 17.27 (0.02) | |||||
| z magnitude | 16.60 (0.009) | 16.70 | 16.60 (0.009) | 16.70 (0.03) | 16.70 | 16.72 (0.03) | |||||
| G magnitude | 18.05 (0.03) | 18.04 | |||||||||
| BP magnitude | 18.08 (0.03) | 18.16 | |||||||||
| RP magnitude | 16.73 (0.009) | 16.75 | |||||||||
| Pan g magnitude | |||||||||||
| Pan r magnitude | |||||||||||
| Pan i magnitude | |||||||||||
| Pan z magnitude | |||||||||||
| Pan y magnitude | |||||||||||
| 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.