All names: SDSS J122626.13+531716.3, GALEX J122626.1+531716, Gaia DR3 1572347051293826048, Gaia EDR3 1572347051293826048, Gaia DR2 1572347051293826048, SDSS J122626.13+531716.4
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Koester & Kepler 2015 | Simbad | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|
Right ascension | 12 26 26.12 (0.2) | 12 26 26.12 (0.2) | 12 26 26.14 (0.2) | ||||
Declination | 53 17 16.30 (0.2) | 53 17 16.31 (0.2) | 53 17 16.45 (0.2) | ||||
Spectral type | DB | DB | |||||
Effective temperature | [K] | 17802.0 (160) | |||||
log(g) | [cgs] | 8.10 (0.07) | |||||
Mass | [M☉] | ||||||
log(Luminosity) | [L☉] | ||||||
Cooling age | [Gyr] | ||||||
log(H/He) | <-4.59 | ||||||
log(C/He) | |||||||
log(Ca/He) | <-5.49 | ||||||
log(Ca/H) | |||||||
Parallax | [mas] | 2.33 (0.2) | 1.62 (0.3) | 2.33 (0.2) | |||
Distance | [pc] | 430.06 (44) | 618.81 (126) | 429.00 | 430.05 (44) | ||
Composition | |||||||
Proper motion (right ascension) | [mas/yr] | -11.78301458 (0.2) | -11.454 (0.4) | -11.783 (0.2) | |||
Proper motion (declination) | [mas/yr] | -9.425568779 (0.3) | -8.705 (0.4) | -9.426 (0.3) | |||
Variability | |||||||
Magnetic | |||||||
Bd | [MG] | ||||||
Infrared excess (disk) | |||||||
Binarity | |||||||
B magnitude | |||||||
V magnitude | |||||||
R magnitude | |||||||
I magnitude | |||||||
J magnitude | |||||||
H magnitude | |||||||
K magnitude | |||||||
u magnitude | 19.02 (0.02) | ||||||
g magnitude | 19.12 (0.01) | ||||||
r magnitude | 19.43 (0.01) | ||||||
i magnitude | 19.68 (0.03) | ||||||
z magnitude | 20.02 (0.1) | ||||||
G magnitude | 19.28 (0.02) | 19.33 | 19.28 (0.004) | ||||
BP magnitude | 19.18 (0.02) | 19.17 | |||||
RP magnitude | 19.44 (0.06) | 19.52 | |||||
Pan g magnitude | |||||||
Pan r magnitude | |||||||
Pan i magnitude | |||||||
Pan z magnitude | |||||||
Pan y magnitude | |||||||
E(B-V) | 0.018 |
* 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.