All names: [CCS88] 1345.1+2722, LAMOST J134721.83+270724.7, SDSS J134721.80+270724.9, 2MASS J13472181+2707250, SDSS J134721.81+270724.9, WISEA J134721.82+270724.7, WD 1345+273, Gaia EDR3 1451420155426805760, LAMOST J134721.80+270724.9, Gaia DR2 1451420155426805760, [CCH90] 1345.1+2722, TIC 105621880, WISE J134721.83+270724.8, GALEX J134721.8+270725
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Guo et al. 2015 | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 13 47 21.80 (0.3) | 13 47 21.80 | 13 47 21.79 (0.3) | 13 47 21.80 | 13 47 21.80 | 13 47 21.38 | 13 47 21.81 | ||||
| Declination | 27 07 24.60 (6) | 27 07 24.93 | 27 07 24.62 (2) | 27 07 24.89 | 27 07 24.93 | 27 07 21.72 | 27 07 24.92 | ||||
| Spectral type | DA+M | DA+M | DA+M1 | DA2.4 M | DA+M | ||||||
| Effective temperature | [K] | 20685.0 (298) | 6301.0 (6) | ||||||||
| log(g) | [cgs] | 7.93 (0.06) | 5.00 (0.003) | ||||||||
| Mass | [M☉] | 0.585 (0.03) | |||||||||
| log(Luminosity) | [L☉] | ||||||||||
| Cooling age | [Gyr] | ||||||||||
| log(H/He) | |||||||||||
| log(C/He) | |||||||||||
| log(Ca/He) | |||||||||||
| log(Ca/H) | |||||||||||
| Parallax | [mas] | ||||||||||
| Distance | [pc] | 112.00 (37) | |||||||||
| Composition | |||||||||||
| Proper motion (right ascension) | [mas/yr] | ||||||||||
| Proper motion (declination) | [mas/yr] | ||||||||||
| Variability | |||||||||||
| Magnetic | |||||||||||
| Bd | [MG] | ||||||||||
| Infrared excess (disk) | |||||||||||
| Binarity | WDMS | WDMS | |||||||||
| B magnitude | 17.40 | ||||||||||
| V magnitude | |||||||||||
| R magnitude | |||||||||||
| I magnitude | |||||||||||
| J magnitude | 14.33 (0.03) | ||||||||||
| H magnitude | 13.75 (0.03) | ||||||||||
| K magnitude | 13.45 (0.03) | ||||||||||
| u magnitude | 17.59 (0.01) | 17.62 | 17.59 (0.01) | 17.61 | 17.65 (0.02) | ||||||
| g magnitude | 17.23 (0.005) | 17.29 | 17.23 (0.005) | 17.29 | 17.30 (0.02) | ||||||
| r magnitude | 16.61 (0.004) | 16.64 | 16.61 (0.004) | 16.64 | 16.65 (0.02) | ||||||
| i magnitude | 15.98 (0.004) | 16.00 | 15.98 (0.004) | 16.00 | 16.00 (0.02) | ||||||
| z magnitude | 15.56 (0.006) | 15.60 | 15.56 (0.006) | 15.60 | 15.59 (0.01) | ||||||
| G magnitude | 17.87 | 17.86 | |||||||||
| BP magnitude | 17.05 | ||||||||||
| RP magnitude | 15.60 | ||||||||||
| Pan g magnitude | 17.19 (0.006) | ||||||||||
| Pan r magnitude | 16.63 (0.006) | ||||||||||
| Pan i magnitude | 16.01 (0.005) | ||||||||||
| Pan z magnitude | 15.65 (0.008) | ||||||||||
| Pan y magnitude | 15.45 (0.005) | ||||||||||
| E(B-V) | 0.006 | ||||||||||
* 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.