All names: SDSS J140723.04+003841.8, SDSS J140723.03+003841.9, 2MASS J14072305+0038415, WD 1404+008, SDSS J140723.04+003841.7, WISE J140723.04+003841.7, SDSS J140723.03+003841.7, WIRED J140723.03+003841.7, [HHD2009] SDSS J1407+0038, WISEA J140723.04+003841.6, TIC 420737849, Gaia DR2 3660254662470707584, SDSS J140723.03+003841.8, Gaia EDR3 3660254662470707584
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | 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 | 14 07 23.03 (1) | 14 07 23.04 | 14 07 23.03 (1) | 14 07 23.03 | 14 07 23.04 | 14 07 23.03 | 14 07 22.30 | 14 07 23.04 | ||||
| Declination | 00 38 41.70 (0.6) | 00 38 41.81 | 00 38 41.69 (0.7) | 00 38 41.71 | 00 38 41.81 | 00 38 41.81 | 00 38 33.72 | 00 38 41.76 | ||||
| Spectral type | DA+M | DA | DA3+M | DA3+M | DA+M | DA+M | DA+M | |||||
| Effective temperature | [K] | 24449.0 (1050) | 26050.0 (360) | 8475.0 (29) | 8281.0 (31) | |||||||
| log(g) | [cgs] | 7.85 (0.1) | 7.92 (0.06) | 8.42 (0.03) | 7.92 (0.05) | |||||||
| Mass | [M☉] | 0.555 (0.08) | 0.59 (0.03) | |||||||||
| log(Luminosity) | [L☉] | |||||||||||
| Cooling age | [Gyr] | 0.0166 | ||||||||||
| 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] | |||||||||||
| Composition | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | -9.0 (3) | -7.2 | |||||||||
| Proper motion (declination) | [mas/yr] | 5.0 (3) | 4.2 | |||||||||
| Variability | ||||||||||||
| Magnetic | ||||||||||||
| Bd | [MG] | |||||||||||
| Infrared excess (disk) | ||||||||||||
| Binarity | WDMS | WDMS | WDMS | |||||||||
| B magnitude | ||||||||||||
| V magnitude | ||||||||||||
| R magnitude | ||||||||||||
| I magnitude | ||||||||||||
| J magnitude | 15.20 (0.06) | |||||||||||
| H magnitude | 14.41 (0.05) | |||||||||||
| K magnitude | 14.14 (0.08) | |||||||||||
| u magnitude | 17.69 (0.01) | 17.68 | 17.70 | 17.69 (0.01) | 17.68 (0.02) | 17.71 | 17.70 (0.02) | |||||
| g magnitude | 17.65 (0.005) | 17.67 | 17.68 | 17.65 (0.005) | 17.67 (0.01) | 17.68 | 17.67 (0.01) | |||||
| r magnitude | 17.64 (0.005) | 17.75 | 17.75 | 17.64 (0.005) | 17.75 (0.01) | 17.75 | 17.75 (0.01) | |||||
| i magnitude | 16.94 (0.005) | 17.02 | 17.02 | 16.95 (0.005) | 17.02 (0.02) | 17.02 | 17.03 (0.02) | |||||
| z magnitude | 16.35 (0.008) | 16.41 | 16.42 | 16.35 (0.008) | 16.41 (0.02) | 16.43 | 16.42 (0.02) | |||||
| G magnitude | 17.98 (0.02) | 17.96 | ||||||||||
| BP magnitude | 17.71 (0.02) | 17.48 | ||||||||||
| RP magnitude | 16.54 (0.007) | 16.53 | ||||||||||
| Pan g magnitude | 17.72 (0.006) | |||||||||||
| Pan r magnitude | 17.78 (0.01) | |||||||||||
| Pan i magnitude | 17.07 (0.006) | |||||||||||
| Pan z magnitude | 16.53 (0.006) | |||||||||||
| Pan y magnitude | 16.26 (0.006) | |||||||||||
| E(B-V) | ||||||||||||
* 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.