All names: Gaia DR3 1374648744586858624, SDSS J154100.53+363840.96, Gaia DR2 1374648744586858624, Gaia EDR3 1374648744586858624, SDSS J154100.52+363840.9, SDSS J154100.53+363840.9, SDSSJ154100.52+363840.9
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 41 00.52 (0.06) | 15 41 00.52 | 15 41 00.52 | 15 41 00.52 (0.07) | 15 41 00.52 (0.06) | ||||
| Declination | 36 38 40.94 (0.07) | 36 38 40.95 | 36 38 40.90 | 36 38 40.94 (0.08) | 36 38 40.95 (0.07) | ||||
| Spectral type | sdOB | sdO | sdO | ||||||
| Effective temperature | [K] | 41447.0 (648) | |||||||
| log(g) | [cgs] | 5.70 (0.06) | |||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.07 (0.08) | 0.10 (0.1) | 0.10 (0.1) | 0.07 (0.08) | ||||
| Distance | [pc] | 13587.90 (14913) | 10416.67 (10872) | 10417.69 (10869) | 13586.96 (14916) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.765130895 (0.07) | 1.58 (0.1) | 1.580470178 (0.1) | 1.765 (0.07) | ||||
| Proper motion (declination) | [mas/yr] | -0.919325959 (0.09) | -1.395 (0.2) | -1.395494519 (0.2) | -0.919 (0.09) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | |||||||||
| V magnitude | |||||||||
| R magnitude | |||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 17.11 (0.008) | 17.11 (0.008) | 17.13 (0.02) | 17.11 (0.008) | |||||
| g magnitude | 17.42 (0.005) | 17.42 (0.005) | 17.46 (0.02) | 17.42 (0.005) | |||||
| r magnitude | 17.96 (0.007) | 17.96 (0.007) | 17.97 (0.02) | 17.96 (0.007) | |||||
| i magnitude | 18.33 (0.01) | 18.33 (0.01) | 18.35 (0.02) | 18.33 (0.01) | |||||
| z magnitude | 18.64 (0.03) | 18.64 (0.03) | 18.64 (0.03) | 18.64 (0.03) | |||||
| G magnitude | 17.70 (0.01) | 17.73 (0.002) | 17.73 | 17.70 (0.003) | |||||
| BP magnitude | 17.56 (0.01) | 17.48 (0.01) | 17.48 | ||||||
| RP magnitude | 17.98 (0.02) | 17.99 (0.02) | 17.99 | ||||||
| Pan g magnitude | 17.52 (0.007) | 17.52 (0.007) | |||||||
| Pan r magnitude | 17.96 (0.01) | 17.96 (0.01) | |||||||
| Pan i magnitude | 18.34 (0.006) | 18.34 (0.006) | |||||||
| Pan z magnitude | 18.62 (0.007) | 18.62 (0.007) | |||||||
| Pan y magnitude | 18.82 (0.04) | 18.82 (0.04) | |||||||
| E(B-V) | 0.024 | ||||||||
* 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.