All names: SDSS J080120.96+062953.4, Gaia DR2 3096173341649786368, SDSS J080120.97+062953.6, Gaia DR3 3096173341649786368, Gaia EDR3 3096173341649786368
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 08 01 20.95 (0.9) | 08 01 20.97 | 08 01 20.96 (1) | 08 01 20.98 (0.9) | 08 01 20.97 | |||||
Declination | 06 29 52.80 (0.7) | 06 29 53.42 | 06 29 52.83 (0.8) | 06 29 53.87 (0.7) | 06 29 53.58 | |||||
Spectral type | DC | DC | DC | DC | ||||||
Effective temperature | [K] | 6708.0 | 6553.0 | 6935.0 (127) | ||||||
log(g) | [cgs] | 8.06 | 7.98 | 9.95 (0.06) | ||||||
Mass | [M☉] | 0.627 | 0.56 | |||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | 1.8730 | 1.7680 | |||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 4.55 (1) | 4.12 (1) | 4.55 (1) | ||||||
Distance | [pc] | 219.72 (55) | 242.66 (86) | 219.72 (55) | ||||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | -21.66230337 (1) | -23.78735809 (3) | -21.662 (1) | ||||||
Proper motion (declination) | [mas/yr] | -66.68112671 (0.8) | -66.9544769 (2) | -66.681 (0.8) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | ||||||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | ||||||||||
H magnitude | ||||||||||
K magnitude | ||||||||||
u magnitude | 21.35 (0.09) | 21.23 (0.09) | 21.23 (0.09) | |||||||
g magnitude | 20.83 (0.03) | 20.72 (0.03) | 20.72 (0.03) | |||||||
r magnitude | 20.54 (0.03) | 20.52 (0.03) | 20.52 (0.03) | |||||||
i magnitude | 20.63 (0.04) | 20.61 (0.04) | 20.61 (0.04) | |||||||
z magnitude | 20.55 (0.1) | 20.72 (0.1) | 20.72 (0.1) | |||||||
G magnitude | 20.57 (0.09) | 20.64 | 20.57 (0.009) | |||||||
BP magnitude | 20.57 (0.09) | 20.74 | ||||||||
RP magnitude | 20.16 (0.1) | 20.24 | ||||||||
Pan g magnitude | 20.72 (0.03) | |||||||||
Pan r magnitude | 20.56 (0.03) | |||||||||
Pan i magnitude | 20.61 (0.03) | |||||||||
Pan z magnitude | 20.61 (0.05) | |||||||||
Pan y magnitude | ||||||||||
E(B-V) | 0.013 |
* 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.