All names: SDSS J162305.06+115652.9, SDSS J162305.06+115653.0, SDSSJ162305.06+115652.8, Gaia DR2 4460013646416979200, GALEX J162305.1+115653, SDSS J162305.07+115652.9, Gaia DR3 4460013646416979200, Gaia EDR3 4460013646416979200, SDSS J162305.07+115652.91
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR10 | Geier 2020 | Gaia DR2 | Stilism | Kepler et al. 2015 | Simbad |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 23 05.06 (0.07) | 16 23 05.07 | 16 23 05.06 | 16 23 05.06 (0.08) | 16 23 05.07 (0.07) | ||||
Declination | 11 56 52.91 (0.06) | 11 56 53.00 | 11 56 52.80 | 11 56 52.92 (0.07) | 11 56 53.02 (0.06) | ||||
Spectral type | sdO | DAO/sdO | A0III | ||||||
Effective temperature | [K] | 39344.0 (369) | |||||||
log(g) | [cgs] | 5.00 (0.05) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.25 (0.09) | 0.25 (0.1) | 0.25 (0.1) | 0.25 (0.09) | ||||
Distance | [pc] | 3999.44 (1387) | 4038.77 (1998) | 4038.54 (1997) | 4000.00 (1387) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -7.42948482 (0.08) | -7.408 (0.2) | -7.407866908 (0.2) | -7.429 (0.08) | ||||
Proper motion (declination) | [mas/yr] | -6.793247632 (0.08) | -6.65 (0.1) | -6.650448679 (0.1) | -6.793 (0.08) | ||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | |||||||||
H magnitude | |||||||||
K magnitude | |||||||||
u magnitude | 17.32 (0.01) | 17.32 (0.01) | 17.32 (0.02) | 17.35 (0.009) | |||||
g magnitude | 17.51 (0.005) | 17.51 (0.005) | 17.54 (0.02) | 17.53 (0.005) | |||||
r magnitude | 17.76 (0.006) | 17.76 (0.006) | 17.75 (0.01) | 17.74 (0.006) | |||||
i magnitude | 17.85 (0.008) | 17.85 (0.008) | 17.83 (0.02) | 17.82 (0.008) | |||||
z magnitude | 17.96 (0.02) | 17.96 (0.02) | 17.97 (0.03) | 17.98 (0.02) | |||||
G magnitude | 17.58 (0.009) | 17.61 (0.001) | 17.61 | 17.58 (0.003) | |||||
BP magnitude | 17.60 (0.009) | 17.55 (0.02) | 17.55 | ||||||
RP magnitude | 17.52 (0.02) | 17.52 (0.01) | 17.52 | ||||||
Pan g magnitude | 17.57 (0.004) | 17.57 (0.004) | |||||||
Pan r magnitude | 17.74 (0.003) | 17.74 (0.003) | |||||||
Pan i magnitude | 17.87 (0.004) | 17.88 (0.004) | |||||||
Pan z magnitude | 17.97 (0.01) | 17.97 (0.01) | |||||||
Pan y magnitude | 18.04 (0.01) | 18.04 (0.01) | |||||||
E(B-V) | 0.044 |
* 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.