All names: 2MASS J09454260+1739001, Gaia EDR3 620993687648036608, Gaia DR3 620993687648036608, GALEX J094542.6+173859, TIC 59610681, Gaia DR2 620993687648036608, SDSS J094542.61+173859.9, SDSS J094542.61+173859.8, SDSS J094542.62+173859.9, WD 0942+178
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 45 42.62 (0.3) | 09 45 42.62 | 09 45 42.62 (1) | 09 45 42.62 (0.3) | 09 45 42.70 | 09 45 42.62 | |||
Declination | 17 38 59.89 (0.3) | 17 38 59.86 | 17 38 59.90 (2) | 17 38 59.98 (0.3) | 17 38 56.40 | 17 38 59.92 | |||
Spectral type | DA+M | DA1.7 M | M_KEPLER_NOTWD | ||||||
Effective temperature | [K] | 6300.0 (3) | |||||||
log(g) | [cgs] | 10.00 (0.003) | |||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.82 (0.2) | 0.82 (0.2) | ||||||
Distance | [pc] | 1223.88 (304) | 1223.84 (304) | ||||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -1.396747637 (0.3) | -1.397 (0.3) | ||||||
Proper motion (declination) | [mas/yr] | -5.454966562 (0.3) | -5.455 (0.3) | ||||||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | |||||||||
V magnitude | |||||||||
R magnitude | |||||||||
I magnitude | |||||||||
J magnitude | 16.51 (0.1) | ||||||||
H magnitude | 16.02 (0.2) | ||||||||
K magnitude | 15.18 (0.1) | ||||||||
u magnitude | 20.11 (0.04) | 20.11 (0.04) | 20.10 | 20.10 (0.04) | |||||
g magnitude | 19.47 (0.01) | 19.48 (0.01) | 19.49 | 19.49 (0.02) | |||||
r magnitude | 18.61 (0.009) | 18.61 (0.009) | 18.61 | 18.61 (0.02) | |||||
i magnitude | 18.00 (0.008) | 18.01 (0.008) | 18.00 | 18.01 (0.02) | |||||
z magnitude | 17.64 (0.02) | 17.65 (0.02) | 17.64 | 17.65 (0.02) | |||||
G magnitude | 18.46 (0.03) | 18.49 | 18.46 (0.003) | ||||||
BP magnitude | 19.17 (0.03) | 19.12 | |||||||
RP magnitude | 17.64 (0.01) | 17.64 | |||||||
Pan g magnitude | 19.42 (0.009) | ||||||||
Pan r magnitude | 18.56 (0.009) | ||||||||
Pan i magnitude | 17.99 (0.01) | ||||||||
Pan z magnitude | 17.73 (0.005) | ||||||||
Pan y magnitude | 17.58 (0.02) | ||||||||
E(B-V) | 0.025 |
* 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.