All names: SDSS J034822.29+113303.3, SDSSJ034822.29+113303.4, Gaia EDR3 36876009385300352, 2MASS J03482231+1133041, Gaia DR3 36876009385300352, SDSS J034822.28+113303.3, SDSS J034822.29+113303.37, UCAC4 508-006228, Gaia DR2 36876009385300352
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 03 48 22.28 (0.05) | 03 48 22.28 | 03 48 22.29 | 03 48 22.28 (0.07) | 03 48 22.28 (0.05) | ||||
| Declination | 11 33 03.34 (0.03) | 11 33 03.36 | 11 33 03.40 | 11 33 03.34 (0.04) | 11 33 03.40 (0.03) | ||||
| Spectral type | He-sdO | He-sdO | sdOHe | ||||||
| Effective temperature | [K] | 43804.0 (2000) | 36009.0 (1000) | ||||||
| log(g) | [cgs] | 5.84 (0.2) | 6.50 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.45 (0.06) | 0.50 (0.08) | 0.50 (0.08) | 0.45 (0.06) | ||||
| Distance | [pc] | 2218.57 (283) | 1986.89 (325) | 1986.79 (325) | 2218.77 (283) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -2.850803695 (0.07) | -2.614 (0.2) | -2.614059383 (0.2) | -2.851 (0.07) | ||||
| Proper motion (declination) | [mas/yr] | -4.008051903 (0.05) | -3.927 (0.1) | -3.927371221 (0.1) | -4.008 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.36 (0.06) | ||||||||
| V magnitude | 16.42 (0.09) | ||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | 16.37 (0.1) | 16.37 (0.1) | |||||||
| H magnitude | 16.34 (0.3) | 16.34 (0.3) | |||||||
| K magnitude | 16.10 | ||||||||
| u magnitude | 16.19 (0.006) | 16.19 (0.006) | 16.19 (0.01) | 16.19 (0.006) | |||||
| g magnitude | 16.31 (0.004) | 16.31 (0.004) | 16.31 (0) | 16.31 (0.004) | |||||
| r magnitude | 16.50 (0.004) | 16.50 (0.004) | 16.50 (0) | 16.50 (0.004) | |||||
| i magnitude | 16.67 (0.005) | 16.67 (0.005) | 16.67 (0.01) | 16.67 (0.005) | |||||
| z magnitude | 16.82 (0.01) | 16.82 (0.01) | 16.82 (0.01) | 16.82 (0.01) | |||||
| G magnitude | 16.37 (0.003) | 16.40 (0.001) | 16.40 | 16.37 (0.003) | |||||
| BP magnitude | 16.35 (0.003) | 16.31 (0.005) | 16.31 | ||||||
| RP magnitude | 16.38 (0.005) | 16.38 (0.005) | 16.38 | ||||||
| Pan g magnitude | 16.34 (0.003) | 16.34 (0.003) | |||||||
| Pan r magnitude | 16.52 (0.003) | 16.52 (0.003) | |||||||
| Pan i magnitude | 16.71 (0.002) | 16.71 (0.002) | |||||||
| Pan z magnitude | 16.88 (0.004) | 16.88 (0.004) | |||||||
| Pan y magnitude | 16.99 (0.009) | 16.99 (0.009) | |||||||
| E(B-V) | 0.198 | ||||||||
* 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.