All names: TIC 415546033, 2MASS J19274309-0355551, WDJ192743.1-035555.23, CNS5 4830, Gaia DR3 4213409341688406912, Gaia EDR3 4213409341688406912, SCR J1927-0355, WDJ192743.10-035555.23, Gaia DR2 4213409341688406912
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 19 27 43.10 (0.03) | 19 27 43.10 | 19 27 43.10 | 19 27 43.10 (0.03) | 19 27 43.10 | ||||||
Declination | -03 55 52.17 (0.03) | -03 55 52.27 | -03 55 52.17 | -03 55 55.23 (0.03) | -03 55 52.27 | ||||||
Spectral type | DZA | DZ | D | ||||||||
Effective temperature | [K] | 6848.0 (49) | 7418.0 | 7140.0 | 6133.0 (27) | ||||||
log(g) | [cgs] | 8.07 (0.02) | 8.28 | 8.18 | 7.85 (0.008) | ||||||
Mass | [M☉] | 0.615 (0.01) | 0.769 | 0.685 | 0.486 (0.006) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 2.2160 | 2.0430 | ||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 41.93 (0.04) | 41.93 (0.04) | 41.89 (0.05) | 41.93 | 41.93 (0.04) | 41.89 (0.05) | ||||
Distance | [pc] | 23.85 (0.02) | 23.85 (0.02) | 23.87 (0.03) | 23.85 | 23.85 (0.02) | 23.87 (0.03) | ||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | 0.432958656 (0.04) | 0.3548923 (0.08) | 0.433 (0.04) | 0.3548923 | ||||||
Proper motion (declination) | [mas/yr] | 191.1972718 (0.03) | 191.1678308 (0.07) | 191.197 (0.03) | 191.1678308 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 15.71 | ||||||||||
V magnitude | |||||||||||
R magnitude | 15.68 | ||||||||||
I magnitude | 15.77 | ||||||||||
J magnitude | 15.03 (0.04) | ||||||||||
H magnitude | 15.04 (0.08) | ||||||||||
K magnitude | 14.81 (0.1) | ||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 15.51 (0.002) | 15.52 | 15.51 | 15.51 (0.003) | 15.52 | ||||||
BP magnitude | 15.71 (0.002) | 15.75 | 15.75 | ||||||||
RP magnitude | 15.19 (0.002) | 15.20 | 15.20 | ||||||||
Pan g magnitude | 15.69 (0.002) | ||||||||||
Pan r magnitude | 15.51 (0.005) | ||||||||||
Pan i magnitude | 15.54 (0.005) | ||||||||||
Pan z magnitude | 15.63 (0.005) | ||||||||||
Pan y magnitude | 15.67 (0.004) | ||||||||||
E(B-V) | 0.001 |
* 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.