All names: Gaia DR3 3063977618262011776, 2MASS J08070809-0647346, WD 0804-066, Gaia EDR3 3063977618262011776, SDSS J080708.05-064735.0, SDSS J080708.11-064734.7, [SGR2010] J0807-0647, TIC 170264028, Gaia DR2 3063977618262011776
Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 08 07 08.09 (0.05) | 08 07 08.09 | 08 07 08.09 (0.07) | 08 07 08.11 | 08 07 08.10 (0.05) | 08 07 08.02 | ||
Declination | -06 47 34.99 (0.03) | -06 47 34.81 | -06 47 34.98 (0.03) | -06 47 34.73 | -06 47 34.73 (0.03) | -06 47 31.20 | ||
Spectral type | WD+M | D+M2 | WD+M2 | |||||
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] | 2.61 (0.06) | 2.47 (0.08) | 2.61 (0.06) | ||||
Distance | [pc] | 383.50 (9) | 404.90 (13) | 383.49 (9) | ||||
Composition | ||||||||
Proper motion (right ascension) | [mas/yr] | -5.87571786 (0.06) | -6.045456714 (0.1) | -5.876 (0.06) | ||||
Proper motion (declination) | [mas/yr] | -16.36675494 (0.04) | -16.2172223 (0.08) | -16.367 (0.04) | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | WDMS | yes | ||||||
B magnitude | ||||||||
V magnitude | ||||||||
R magnitude | ||||||||
I magnitude | ||||||||
J magnitude | 14.11 (0.03) | |||||||
H magnitude | 13.43 (0.03) | |||||||
K magnitude | 13.24 (0.04) | |||||||
u magnitude | 20.38 (0.07) | 20.81 | 20.82 (0.1) | 20.82 | ||||
g magnitude | 18.20 (0.006) | 18.84 | 18.95 (0.01) | 19.39 | ||||
r magnitude | 16.82 (0.004) | 17.17 | 17.38 (0.006) | 17.38 | ||||
i magnitude | 15.90 (0.004) | 16.49 | 16.95 (0.006) | 16.95 | ||||
z magnitude | 15.41 (0.005) | 15.99 | 16.36 (0.01) | 16.36 | ||||
G magnitude | 16.55 (0.006) | 16.56 | 16.55 (0.003) | |||||
BP magnitude | 17.64 (0.006) | 17.66 | ||||||
RP magnitude | 15.49 (0.002) | 15.51 | ||||||
Pan g magnitude | ||||||||
Pan r magnitude | ||||||||
Pan i magnitude | ||||||||
Pan z magnitude | ||||||||
Pan y magnitude | ||||||||
E(B-V) | 0.042 |
* 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.