All names: Gaia DR3 2824077817598807296, Gaia DR2 2824077817598807296, SDSS J232505.92+180529.60, SDSS J232505.92+180529.6, Gaia EDR3 2824077817598807296
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Kepler et al. 2016 | Simbad |
---|---|---|---|---|---|---|---|
Right ascension | 23 25 05.92 (0.2) | 23 25 05.91 | 23 25 05.92 (0.2) | 23 25 05.91 (0.2) | |||
Declination | 18 05 29.59 (0.1) | 18 05 29.62 | 18 05 29.59 (0.2) | 18 05 29.62 (0.1) | |||
Spectral type | sdA | sdA | |||||
Effective temperature | [K] | 7156.0 (46) | |||||
log(g) | [cgs] | 5.96 (0.1) | |||||
Mass | [M☉] | 0.15144 (0.0005) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | -0.04 (0.3) | -0.46 (0.4) | ||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | 1.720533873 (0.2) | 3.025456214 (0.6) | 1.721 (0.2) | |||
Proper motion (declination) | [mas/yr] | -1.551285908 (0.2) | -1.598799574 (0.3) | -1.551 (0.2) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 20.21 (0.05) | 20.19 (0.06) | 20.19 (0.06) | ||||
g magnitude | 19.24 (0.01) | 19.26 (0.02) | 19.26 (0.02) | ||||
r magnitude | 18.95 (0.01) | 18.93 (0.02) | 18.93 (0.02) | ||||
i magnitude | 18.82 (0.01) | 18.81 (0.02) | 18.81 (0.02) | ||||
z magnitude | 18.81 (0.04) | 18.78 (0.04) | 18.78 (0.04) | ||||
G magnitude | 18.93 (0.03) | 18.96 | 18.93 (0.003) | ||||
BP magnitude | 19.18 (0.03) | 19.17 | |||||
RP magnitude | 18.50 (0.02) | 18.51 | |||||
Pan g magnitude | 19.17 (0.009) | ||||||
Pan r magnitude | 18.92 (0.007) | ||||||
Pan i magnitude | 18.85 (0.008) | ||||||
Pan z magnitude | 18.82 (0.008) | ||||||
Pan y magnitude | 18.80 (0.02) | ||||||
E(B-V) |
* 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.