All names: SDSS J153404.30+412026.0, Gaia DR3 1389901513484986880, TIC 148786315, [SGR2010] J1534+4120, WIRED J153404.30+412026.0, WD 1532+415, SDSS J153404.29+412026.1, SDSS J153404.31+412026.1, Gaia DR2 1389901513484986880, Gaia EDR3 1389901513484986880, SDSS J153404.30+412026.1, 2MASS J15340430+4120260, [HHD2009] SDSS J1534+4120
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Bedard et al. 2020 | 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 34 04.31 (0.4) | 15 34 04.30 | 15 34 04.31 (0.5) | 15 34 04.30 | 15 34 04.30 (0.4) | 15 34 04.31 | 15 34 04.51 | 15 34 04.31 | |||||
| Declination | 41 20 26.09 (0.4) | 41 20 26.13 | 41 20 26.09 (0.5) | 41 20 26.02 | 41 20 26.20 (0.4) | 41 20 26.07 | 41 20 25.08 | 41 20 26.07 | |||||
| Spectral type | DA+M | DA+M | DA | DA+dM | DA+M | DA d | DA+M | ||||||
| Effective temperature | [K] | 35304.0 (412) | 35740.0 (491) | 36100.0 (460) | 8125.0 (28) | 36207.0 (338) | |||||||
| log(g) | [cgs] | 7.72 (0.07) | 7.66 (0.08) | 7.60 (0.07) | 9.00 (0.002) | 7.34 (0.05) | |||||||
| Mass | [M☉] | 0.53 (0.03) | 0.51 (0.03) | 0.49 (0.03) | |||||||||
| log(Luminosity) | [L☉] | -0.42 (0.05) | |||||||||||
| Cooling age | [Gyr] | 0.0050 (0.0003) | 0.0052 | ||||||||||
| 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] | 1.30 (0.5) | 1.56 (0.6) | 1.30 (0.5) | |||||||||
| Distance | [pc] | 771.86 (299) | 642.01 (244) | 1468.00 (218) | 771.84 (299) | ||||||||
| Composition | H | H | |||||||||||
| Proper motion (right ascension) | [mas/yr] | 9.501999019 (0.5) | 9.123704337 (1) | 9.502 (0.5) | 10.3 | ||||||||
| Proper motion (declination) | [mas/yr] | -6.895006968 (0.6) | -5.159544266 (1) | -6.895 (0.6) | -13.3 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | WDMS | WDMS | WDMS | ||||||||||
| B magnitude | |||||||||||||
| V magnitude | |||||||||||||
| R magnitude | |||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.23 (0.09) | ||||||||||||
| H magnitude | 15.54 (0.09) | ||||||||||||
| K magnitude | 15.83 (0.2) | ||||||||||||
| u magnitude | 17.52 (0.009) | 17.53 | 17.52 (0.009) | 17.53 (0.02) | 17.53 | 17.52 (0.02) | |||||||
| g magnitude | 17.78 (0.005) | 17.79 | 17.78 (0.005) | 17.79 (0.02) | 17.79 | 17.77 (0.02) | |||||||
| r magnitude | 18.08 (0.007) | 18.08 | 18.08 (0.007) | 18.08 (0.02) | 18.08 | 18.08 (0.02) | |||||||
| i magnitude | 17.80 (0.008) | 17.81 | 17.80 (0.008) | 17.81 (0.02) | 17.81 | 17.80 (0.02) | |||||||
| z magnitude | 17.48 (0.01) | 17.49 | 17.48 (0.01) | 17.49 (0.02) | 17.49 | 17.47 (0.02) | |||||||
| G magnitude | 17.97 (0.01) | 17.88 | 17.97 (0.008) | ||||||||||
| BP magnitude | 17.85 (0.01) | 17.80 | |||||||||||
| RP magnitude | 17.42 (0.01) | 17.42 | |||||||||||
| Pan g magnitude | 17.86 (0.005) | ||||||||||||
| Pan r magnitude | 18.06 (0.003) | ||||||||||||
| Pan i magnitude | 17.83 (0.005) | ||||||||||||
| Pan z magnitude | 17.55 (0.004) | ||||||||||||
| Pan y magnitude | 17.43 (0.009) | ||||||||||||
| E(B-V) | 0.023 | ||||||||||||
* 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.