All names: GSC2U J030339.2+140805, Gaia EDR3 30691393915806848, TIC 243207722, 2MASS J03033915+1408028, USNO-B1.0 1041-00030224, Gaia DR2 30691393915806848, WISEA J030339.18+140757.0, WD 0300+139, Gaia DR3 30691393915806848
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|
Right ascension | 03 03 39.19 (0.1) | 03 03 39.19 (0.2) | 03 03 39.16 (0.1) | 03 03 38.66 | ||
Declination | 14 07 54.64 (0.1) | 14 07 54.87 (0.2) | 14 08 01.84 (0.1) | 14 07 59.52 | ||
Spectral type | DA+M | DA+dM | ||||
Effective temperature | [K] | |||||
log(g) | [cgs] | |||||
Mass | [M☉] | |||||
log(Luminosity) | [L☉] | |||||
Cooling age | [Gyr] | |||||
log(H/He) | ||||||
log(C/He) | ||||||
log(Ca/He) | ||||||
log(Ca/H) | ||||||
Parallax | [mas] | 15.38 (0.1) | 15.66 (0.2) | 15.38 (0.1) | ||
Distance | [pc] | 65.04 (0.6) | 63.85 (0.9) | 65.04 (0.6) | ||
Composition | ||||||
Proper motion (right ascension) | [mas/yr] | 33.10538917 (0.2) | 33.665 (0.4) | 33.105 (0.2) | ||
Proper motion (declination) | [mas/yr] | -449.637162 (0.1) | -448.991 (0.3) | -449.637 (0.1) | ||
Variability | ||||||
Magnetic | ||||||
Bd | [MG] | |||||
Infrared excess (disk) | ||||||
Binarity | ||||||
B magnitude | 20.70 | |||||
V magnitude | ||||||
R magnitude | 19.20 | |||||
I magnitude | ||||||
J magnitude | 14.06 (0.02) | |||||
H magnitude | 13.56 (0.03) | |||||
K magnitude | 13.25 (0.03) | |||||
u magnitude | ||||||
g magnitude | ||||||
r magnitude | ||||||
i magnitude | ||||||
z magnitude | ||||||
G magnitude | 17.59 (0.08) | 17.62 | 17.59 (0.003) | |||
BP magnitude | 19.83 (0.08) | 20.04 | ||||
RP magnitude | 16.20 (0.005) | 16.20 | ||||
Pan g magnitude | ||||||
Pan r magnitude | ||||||
Pan i magnitude | ||||||
Pan z magnitude | ||||||
Pan y magnitude | ||||||
E(B-V) | 0.002 |
* 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.