All names: GSC2U J125313.0+343712, NLTT 32204, USNO-B1.0 1246-00201383, Gaia DR2 1515869884914637824, GSC2 N12231033749, LSPM J1253+3437, LP 267-306, SDSS J125312.55+343714.3, WD 1250+348, SDSS J125312.54+343714.2
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 12 53 12.65 (0.2) | |
Declination | 34 37 13.54 (0.2) | |
Spectral type | DC | |
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] | 17.03 (0.3) |
Distance | [pc] | 58.73 (1) |
Composition | ||
Proper motion (right ascension) | [mas/yr] | -308.551 (0.4) |
Proper motion (declination) | [mas/yr] | 173.56 (0.3) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | 19.20 | |
V magnitude | ||
R magnitude | 18.50 | |
I magnitude | ||
J magnitude | ||
H magnitude | ||
K magnitude | ||
u magnitude | 21.40 (0.1) | |
g magnitude | 19.57 (0.01) | |
r magnitude | 18.75 (0.009) | |
i magnitude | 18.45 (0.01) | |
z magnitude | 18.33 (0.03) | |
G magnitude | 18.82 (0.003) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.