All names: WISE J081553.04-064708.1, 2MASS J08155304-0647078, Gaia DR2 3064152990364278784, WISEA J081553.04-064708.0, WIRED J081553.11-064709.1, TIC 19339433, SDSS J081553.09-064708.7, Gaia EDR3 3064152990365246336, SDSS J081553.11-064709.1
Parameter | Unit | Gaia EDR3 | SDSS DR12 | Gaia DR2 | sdss-wdms.org (29/04/2016) | Simbad | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|
Right ascension | 08 15 53.10 (1) | 08 15 53.09 | 08 15 53.10 (1) | 08 15 53.11 | 08 15 53.09 | 08 15 53.11 | |
Declination | -06 47 08.59 (0.5) | -06 47 08.74 | -06 47 08.61 (1) | -06 47 09.13 | -06 47 08.74 | -06 47 09.11 | |
Spectral type | DA+M | DA+M | DA+M | ||||
Effective temperature | [K] | 12976.0 (259) | 16924.0 (114) | ||||
log(g) | [cgs] | 7.76 (0.06) | 7.76 (0.02) | ||||
Mass | [M☉] | 0.48 (0.03) | |||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | |||||||
log(C/He) | |||||||
log(Ca/He) | |||||||
log(Ca/H) | |||||||
Parallax | [mas] | ||||||
Distance | [pc] | ||||||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | ||||||
Proper motion (declination) | [mas/yr] | ||||||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | WDMS | WDMS | |||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | 15.55 (0.06) | ||||||
H magnitude | 15.01 (0.06) | ||||||
K magnitude | 14.53 (0.09) | ||||||
u magnitude | 18.11 (0.02) | 18.28 | 18.11 (0.01) | 18.28 (0.03) | |||
g magnitude | 17.56 (0.005) | 18.41 | 17.56 (0.005) | 18.41 (0.07) | |||
r magnitude | 17.30 (0.005) | 18.24 | 17.30 (0.005) | 18.24 (0.06) | |||
i magnitude | 16.91 (0.005) | 18.45 | 16.91 (0.005) | 18.45 (0.2) | |||
z magnitude | 16.57 (0.01) | 19.07 | 16.57 (0.01) | 19.07 (0.5) | |||
G magnitude | 17.80 (0.01) | 17.60 | |||||
BP magnitude | 17.57 (0.01) | 17.56 | |||||
RP magnitude | 16.77 (0.03) | 16.68 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) |
* 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.