All names: SDSS J095250.47+155304.2, SDSS J095250.47+155304.1, SDSS J095250.46+155304.1, TIC 337695975, Gaia EDR3 616823209979081472, Gaia DR2 616823209979081472, GALEX J095250.5+155305, 2MASS J09525044+1553041, Gaia DR3 616823209979081472
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|
Right ascension | 09 52 50.47 (0.1) | 09 52 50.47 | 09 52 50.47 (0.3) | 09 52 50.47 (0.1) | 09 52 50.47 | |||
Declination | 15 53 04.01 (0.1) | 15 53 04.13 | 15 53 04.02 (0.2) | 15 53 04.15 (0.1) | 15 53 04.20 | |||
Spectral type | DA+M | DA+M | ||||||
Effective temperature | [K] | 20192.0 (275) | ||||||
log(g) | [cgs] | 6.89 (0.06) | ||||||
Mass | [M☉] | |||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | |||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 1.35 (0.2) | 0.74 (0.4) | 1.35 (0.2) | ||||
Distance | [pc] | 738.46 (112) | 1355.26 (789) | 738.44 (112) | ||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | 5.755369829 (0.2) | 6.516081925 (0.5) | 5.755 (0.2) | ||||
Proper motion (declination) | [mas/yr] | -8.944267431 (0.1) | -8.758386862 (0.5) | -8.944 (0.1) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | WDMS | |||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 16.82 (0.2) | |||||||
H magnitude | ||||||||
K magnitude | ||||||||
u magnitude | 18.44 (0.02) | 18.44 (0.02) | 18.41 (0.03) | |||||
g magnitude | 18.33 (0.007) | 18.33 (0.007) | 18.32 (0.03) | |||||
r magnitude | 18.53 (0.009) | 18.52 (0.009) | 18.52 (0.02) | |||||
i magnitude | 18.35 (0.01) | 18.36 (0.01) | 18.36 (0.02) | |||||
z magnitude | 18.01 (0.02) | 18.01 (0.02) | 18.03 (0.03) | |||||
G magnitude | 18.31 (0.04) | 18.32 | 18.31 (0.004) | |||||
BP magnitude | 18.39 (0.04) | 18.34 | ||||||
RP magnitude | 17.97 (0.04) | 17.97 | ||||||
Pan g magnitude | 18.37 (0.006) | |||||||
Pan r magnitude | 18.58 (0.02) | |||||||
Pan i magnitude | 18.33 (0.008) | |||||||
Pan z magnitude | 18.10 (0.02) | |||||||
Pan y magnitude | 17.90 (0.01) | |||||||
E(B-V) | 0.024 |
* 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.