All names: USNO-B1.0 1312-00265969, FBS 1615+413, KUV 16160+4120, SDSS J161740.10+411251.6, SDSS J161740.11+411251.6, GALEX J161740.0+411251, Gaia DR3 1380875729907633408, TIC 1200857883, KUV16160+4120, SDSS J161740.11+411251.48, PG 1615+413, Gaia EDR3 1380875729907633408, FBS B 370, Gaia DR2 1380875729907633408, SDSS J161740.11+411251.4
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 16 17 40.10 (0.04) | 16 17 40.11 | 16 17 40.15 | 16 17 40.11 (0.06) | 16 17 40.11 (0.04) | ||||
| Declination | 41 12 51.37 (0.04) | 41 12 51.65 | 41 12 52.36 | 41 12 51.38 (0.06) | 41 12 51.64 (0.04) | ||||
| Spectral type | He-sdOB | He-sdB | sdBN1VIIHe37 | ||||||
| Effective temperature | [K] | 40565.0 (1112) | 45487.0 (411) | ||||||
| log(g) | [cgs] | 6.01 (0.3) | 7.00 (0.05) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.30 (0.05) | 0.32 (0.07) | 0.32 (0.07) | 0.30 (0.05) | ||||
| Distance | [pc] | 3364.46 (595) | 3142.68 (716) | 3142.73 (716) | 3364.74 (596) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | -6.810118378 (0.05) | -6.835 (0.1) | -6.834843639 (0.1) | -6.81 (0.05) | ||||
| Proper motion (declination) | [mas/yr] | -16.54121737 (0.06) | -16.612 (0.1) | -16.61173278 (0.1) | -16.541 (0.06) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.80 | ||||||||
| V magnitude | |||||||||
| R magnitude | 17.40 | ||||||||
| I magnitude | |||||||||
| J magnitude | |||||||||
| H magnitude | |||||||||
| K magnitude | |||||||||
| u magnitude | 16.46 (0.007) | 16.46 (0.007) | 16.46 (0.02) | 16.46 (0.007) | |||||
| g magnitude | 16.76 (0.005) | 16.76 (0.005) | 16.78 (0.02) | 16.76 (0.005) | |||||
| r magnitude | 17.29 (0.006) | 17.29 (0.006) | 17.29 (0.01) | 17.29 (0.006) | |||||
| i magnitude | 17.65 (0.007) | 17.65 (0.007) | 17.63 (0.02) | 17.65 (0.007) | |||||
| z magnitude | 18.00 (0.02) | 18.00 (0.02) | 18.02 (0.03) | 18.00 (0.02) | |||||
| G magnitude | 17.03 (0.006) | 17.06 (0.002) | 17.06 | 17.03 (0.003) | |||||
| BP magnitude | 16.89 (0.006) | 16.81 (0.01) | 16.81 | ||||||
| RP magnitude | 17.35 (0.008) | 17.33 (0.01) | 17.33 | ||||||
| Pan g magnitude | 16.84 (0.006) | 16.84 (0.006) | |||||||
| Pan r magnitude | 17.31 (0.005) | 17.31 (0.005) | |||||||
| Pan i magnitude | 17.69 (0.003) | 17.69 (0.003) | |||||||
| Pan z magnitude | 17.99 (0.006) | 17.98 (0.006) | |||||||
| Pan y magnitude | 18.18 (0.02) | 18.18 (0.02) | |||||||
| E(B-V) | 0.018 | ||||||||
* 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.