All names: 2MASS J15270720+1016126, SDSSJ152707.20+101612.5, SDSS J152707.19+101612.5, SDSS J152707.20+101612.55, GALEX J152707.2+101613, Gaia DR3 1165815825359631232, LAMOST J152707.20+101612.5, UCAC4 502-060054, Gaia EDR3 1165815825359631232, Gaia DR2 1165815825359631232, SDSS J152707.20+101612.5
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2016 | Simbad |
|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 15 27 07.20 (0.04) | 15 27 07.20 | 15 27 07.20 | 15 27 07.20 (0.05) | 15 27 07.20 (0.04) | ||||
| Declination | 10 16 12.43 (0.03) | 10 16 12.53 | 10 16 12.50 | 10 16 12.44 (0.04) | 10 16 12.59 (0.03) | ||||
| Spectral type | sdB | sdO | sdB0He6+G/K | ||||||
| Effective temperature | [K] | 33744.0 (1072) | 32010.0 (143) | ||||||
| log(g) | [cgs] | 5.12 (0.2) | 5.44 (0.03) | ||||||
| Mass | [M☉] | ||||||||
| log(Luminosity) | [L☉] | ||||||||
| Cooling age | [Gyr] | ||||||||
| log(H/He) | |||||||||
| log(C/He) | |||||||||
| log(Ca/He) | |||||||||
| log(Ca/H) | |||||||||
| Parallax | [mas] | 0.35 (0.04) | 0.36 (0.07) | 0.36 (0.07) | 0.35 (0.04) | ||||
| Distance | [pc] | 2842.44 (359) | 2809.78 (522) | 2809.80 (522) | 2842.52 (359) | ||||
| Composition | |||||||||
| Proper motion (right ascension) | [mas/yr] | 1.473067459 (0.05) | 1.511 (0.1) | 1.511111736 (0.1) | 1.473 (0.04) | ||||
| Proper motion (declination) | [mas/yr] | -10.13647059 (0.04) | -10.219 (0.1) | -10.21949373 (0.1) | -10.136 (0.04) | ||||
| Variability | |||||||||
| Magnetic | |||||||||
| Bd | [MG] | ||||||||
| Infrared excess (disk) | |||||||||
| Binarity | |||||||||
| B magnitude | 16.19 (0.1) | ||||||||
| V magnitude | 16.21 (0.01) | ||||||||
| R magnitude | 16.25 (0.2) | ||||||||
| I magnitude | |||||||||
| J magnitude | 15.77 (0.09) | 15.77 (0.09) | |||||||
| H magnitude | 15.51 (0.1) | 15.51 (0.1) | |||||||
| K magnitude | 15.89 | ||||||||
| u magnitude | 16.19 (0.006) | 16.20 (0.006) | 16.20 (0.01) | 16.20 (0.006) | |||||
| g magnitude | 16.11 (0.004) | 16.11 (0.004) | 16.14 (0.01) | 16.11 (0.004) | |||||
| r magnitude | 16.23 (0.005) | 16.24 (0.005) | 16.23 (0.01) | 16.24 (0.005) | |||||
| i magnitude | 16.30 (0.005) | 16.30 (0.005) | 16.31 (0.02) | 16.30 (0.005) | |||||
| z magnitude | 16.37 (0.008) | 16.38 (0.008) | 16.37 (0.02) | 16.38 (0.008) | |||||
| G magnitude | 16.11 (0.003) | 16.14 (0.001) | 16.14 | 16.11 (0.003) | |||||
| BP magnitude | 16.16 (0.003) | 16.14 (0.006) | 16.14 | ||||||
| RP magnitude | 15.97 (0.003) | 15.98 (0.003) | 15.98 | ||||||
| Pan g magnitude | 16.14 (0.004) | 16.14 (0.004) | |||||||
| Pan r magnitude | 16.23 (0.003) | 16.23 (0.003) | |||||||
| Pan i magnitude | 16.32 (0.002) | 16.32 (0.002) | |||||||
| Pan z magnitude | 16.38 (0.003) | 16.38 (0.003) | |||||||
| Pan y magnitude | 16.43 (0.005) | 16.43 (0.005) | |||||||
| E(B-V) | 0.030 | ||||||||
* 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.