All names: UCAC4 549-047154, Gaia EDR3 634322487291422464, Ton 1061, WDJ092734.81+194344.42, GALEX J092734.7+194344, Gaia DR3 634322487291422464, WD 0924+199, TIC 91895178, 2MASS J09273481+1943443, Gaia DR2 634322487291422464, PG 0924+199
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 27 34.69 (0.04) | 09 27 34.69 (0.07) | 09 27 34.69 | 09 27 34.81 (0.04) | 09 27 34.69 | 09 27 34.73 | |||||
Declination | 19 43 44.63 (0.04) | 19 43 44.63 (0.07) | 19 43 44.63 | 19 43 44.43 (0.04) | 19 43 44.63 | 19 43 43.32 | |||||
Spectral type | DC5A? | DC5A? | DC | DC5A? | DC | ||||||
Effective temperature | [K] | 10407.0 | 10491.0 | 10179.0 (81) | |||||||
log(g) | [cgs] | 8.24 | 8.18 | 8.09 (0.01) | |||||||
Mass | [M☉] | 0.748 | 0.693 | 0.637 (0.01) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.7740 | 0.7207 | ||||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 19.26 (0.05) | 19.33 (0.08) | 19.26 | 19.26 (0.05) | 19.33 (0.08) | |||||
Distance | [pc] | 51.93 (0.1) | 51.74 (0.2) | 51.93 | 51.93 (0.1) | 51.74 (0.2) | |||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | -108.1538624 (0.05) | -108.1834274 (0.1) | -108.154 (0.05) | -108.1834274 | ||||||
Proper motion (declination) | [mas/yr] | 12.98301142 (0.05) | 13.05346712 (0.1) | 12.983 (0.05) | 13.05346712 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 16.26 (0.08) | ||||||||||
V magnitude | 16.00 (0.04) | ||||||||||
R magnitude | 16.21 (0.3) | ||||||||||
I magnitude | |||||||||||
J magnitude | 15.97 (0.06) | ||||||||||
H magnitude | 15.95 (0.1) | ||||||||||
K magnitude | 15.88 (0.2) | ||||||||||
u magnitude | 16.05 (0.005) | ||||||||||
g magnitude | 15.91 (0.004) | ||||||||||
r magnitude | 16.06 (0.004) | ||||||||||
i magnitude | 16.22 (0.005) | ||||||||||
z magnitude | 16.38 (0.008) | ||||||||||
G magnitude | 15.96 (0.003) | 15.98 | 15.96 | 15.96 (0.003) | 15.98 | ||||||
BP magnitude | 15.99 (0.003) | 15.96 | 15.96 | ||||||||
RP magnitude | 15.92 (0.005) | 15.90 | 15.90 | ||||||||
Pan g magnitude | 15.95 (0.004) | ||||||||||
Pan r magnitude | 16.07 (0.003) | ||||||||||
Pan i magnitude | 16.22 (0.003) | ||||||||||
Pan z magnitude | 16.39 (0.002) | ||||||||||
Pan y magnitude | 16.51 (0.007) | ||||||||||
E(B-V) | 0.001 |
* 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.