All names: SDSS J110834.67-154847.4, Gaia DR2 3562532405456687616, Gaia EDR3 3562532405456932480, GALEX J110834.7-154847, [SGR2010] J1108-1548, Gaia DR3 3562532405456932480, 2MASS J11083465-1548470, WD 1106-155, TIC 385231122, SDSS J110834.66-154847.3
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 |
---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 11 08 34.65 (0.7) | 11 08 34.66 | 11 08 34.65 (0.8) | 11 08 34.67 | 11 08 34.66 (0.7) | 11 08 34.49 | 11 08 34.67 | |||
Declination | -15 48 47.55 (0.5) | -15 48 47.37 | -15 48 47.54 (0.6) | -15 48 47.38 | -15 48 47.19 (0.5) | -15 48 46.08 | -15 48 47.37 | |||
Spectral type | DA+M | DA+M3 | DA3.9+M3 | DA+M | ||||||
Effective temperature | [K] | 12976.0 (831) | 6766.0 (63) | |||||||
log(g) | [cgs] | 7.83 (0.3) | 5.00 (0.003) | |||||||
Mass | [M☉] | 0.51 (0.2) | ||||||||
log(Luminosity) | [L☉] | |||||||||
Cooling age | [Gyr] | |||||||||
log(H/He) | ||||||||||
log(C/He) | ||||||||||
log(Ca/He) | ||||||||||
log(Ca/H) | ||||||||||
Parallax | [mas] | 0.95 (0.8) | 0.63 (1) | 0.95 (0.8) | ||||||
Distance | [pc] | 1057.75 (845) | 1588.95 (2433) | 452.00 (92) | 1057.75 (845) | |||||
Composition | ||||||||||
Proper motion (right ascension) | [mas/yr] | -15.52550804 (1) | -16.96303554 (2) | -15.526 (1) | ||||||
Proper motion (declination) | [mas/yr] | -22.38441584 (0.6) | -22.73764011 (1) | -22.384 (0.6) | ||||||
Variability | ||||||||||
Magnetic | ||||||||||
Bd | [MG] | |||||||||
Infrared excess (disk) | ||||||||||
Binarity | WDMS | yes | WDMS | |||||||
B magnitude | ||||||||||
V magnitude | ||||||||||
R magnitude | ||||||||||
I magnitude | ||||||||||
J magnitude | 15.69 (0.06) | |||||||||
H magnitude | 15.20 (0.09) | |||||||||
K magnitude | 14.88 (0.1) | |||||||||
u magnitude | 20.01 (0.06) | 19.95 | 19.95 (0.07) | 19.95 (0.06) | ||||||
g magnitude | 19.26 (0.01) | 19.27 | 19.26 (0.01) | 19.26 | 19.27 (0.02) | |||||
r magnitude | 18.82 (0.01) | 18.82 | 18.82 (0.01) | 18.82 | 18.82 (0.02) | |||||
i magnitude | 17.89 (0.008) | 17.87 | 17.86 (0.008) | 17.86 | 17.87 (0.02) | |||||
z magnitude | 17.27 (0.02) | 17.20 | 17.20 (0.02) | 17.20 | 17.20 (0.02) | |||||
G magnitude | 18.72 (0.04) | 18.65 | 18.72 (0.009) | |||||||
BP magnitude | 19.11 (0.04) | 19.24 | ||||||||
RP magnitude | 17.42 (0.02) | 17.42 | ||||||||
Pan g magnitude | 19.20 (0.02) | |||||||||
Pan r magnitude | 18.78 (0.009) | |||||||||
Pan i magnitude | 17.85 (0.004) | |||||||||
Pan z magnitude | 17.37 (0.006) | |||||||||
Pan y magnitude | 17.12 (0.02) | |||||||||
E(B-V) | 0.032 |
* 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.