All names: FBS B 132, PG1614+378, PG 1614+378, FBS 1614+378, SDSS J161555.22+374105.5, SDSS J161555.22+374105.42, Gaia EDR3 1330666114811735936, KUV 16141+3748, Gaia DR3 1330666114811735936, SDSS J161555.22+374105.4, Gaia DR2 1330666114811735936, GALEX J161555.2+374104
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 15 55.21 (0.04) | 16 15 55.22 | 16 15 55.22 | 16 15 55.21 (0.07) | 16 15 55.22 (0.04) | ||||
Declination | 37 41 05.38 (0.05) | 37 41 05.51 | 37 41 06.00 | 37 41 05.39 (0.08) | 37 41 05.49 (0.05) | ||||
Spectral type | He-sdO | He-sdO | sdOHe | ||||||
Effective temperature | [K] | 49900.0 (16) | |||||||
log(g) | [cgs] | 6.76 (0.01) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.28 (0.06) | 0.15 (0.08) | 0.15 (0.08) | 0.28 (0.06) | ||||
Distance | [pc] | 3530.29 (724) | 6644.52 (3638) | 6644.52 (3638) | 3529.83 (724) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -5.123941626 (0.05) | -5.013 (0.1) | -5.013 (0.1) | -5.124 (0.05) | ||||
Proper motion (declination) | [mas/yr] | -6.826721917 (0.07) | -6.881 (0.2) | -6.881 (0.2) | -6.827 (0.07) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | 16.30 | ||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 16.42 (0.006) | 16.41 (0.006) | 16.44 (0.01) | 16.41 (0.006) | |||||
g magnitude | 16.83 (0.004) | 16.83 (0.004) | 16.86 (0.02) | 16.83 (0.004) | |||||
r magnitude | 17.39 (0.005) | 17.39 (0.005) | 17.40 (0.01) | 17.39 (0.005) | |||||
i magnitude | 17.74 (0.007) | 17.74 (0.007) | 17.75 (0.02) | 17.74 (0.007) | |||||
z magnitude | 18.05 (0.02) | 18.05 (0.02) | 18.06 (0.03) | 18.05 (0.02) | |||||
G magnitude | 17.13 (0.005) | 17.15 (0.002) | 17.15 | 17.13 (0.003) | |||||
BP magnitude | 16.97 (0.005) | 16.90 (0.01) | 16.90 | ||||||
RP magnitude | 17.44 (0.01) | 17.44 (0.01) | 17.44 | ||||||
Pan g magnitude | 16.95 (0.004) | 16.95 (0.004) | |||||||
Pan r magnitude | 17.40 (0.002) | 17.41 (0.002) | |||||||
Pan i magnitude | 17.78 (0.003) | 17.78 (0.003) | |||||||
Pan z magnitude | 18.08 (0.006) | 18.08 (0.006) | |||||||
Pan y magnitude | 18.27 (0.02) | 18.27 (0.02) | |||||||
E(B-V) | 0.020 |
* 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.