All names: UCAC4 641-053139, GALEX J162616.7+380710, KUV 16245+3814, SDSS J162616.71+380710.4, Gaia DR3 1332004327838630272, FBS B 136, TIC 39981786, Gaia EDR3 1332004327838630272, UCAC2 45180049, PG1624+382, SDSS J162616.70+380710.4, FBS 1624+382, PG 1624+382, 2MASS J16261670+3807102, Gaia DR2 1332004327838630272
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | Geier 2020 | Gaia DR2 | Stilism | Simbad | Eisenstein et al. 2006 |
---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 26 16.71 (0.03) | 16 26 16.71 | 16 26 16.73 | 16 26 16.71 (0.04) | 16 26 16.72 (0.03) | 16 26 16.71 | |||
Declination | 38 07 10.43 (0.04) | 38 07 10.49 | 38 07 10.68 | 38 07 10.43 (0.05) | 38 07 10.48 (0.04) | 38 07 10.50 | |||
Spectral type | He-sdO | sdOC | SDO | ||||||
Effective temperature | [K] | 47414.0 (2000) | 100000.0 (1587) | ||||||
log(g) | [cgs] | 5.85 (0.2) | 5.65 (0.05) | ||||||
Mass | [M☉] | ||||||||
log(Luminosity) | [L☉] | ||||||||
Cooling age | [Gyr] | ||||||||
log(H/He) | |||||||||
log(C/He) | |||||||||
log(Ca/He) | |||||||||
log(Ca/H) | |||||||||
Parallax | [mas] | 0.48 (0.04) | 0.45 (0.05) | 0.45 (0.05) | 0.48 (0.04) | ||||
Distance | [pc] | 2079.84 (187) | 2235.14 (259) | 2234.89 (259) | 2079.87 (187) | ||||
Composition | |||||||||
Proper motion (right ascension) | [mas/yr] | -4.924757261 (0.04) | -5.051 (0.08) | -5.051451219 (0.08) | -4.925 (0.04) | -1.3 | |||
Proper motion (declination) | [mas/yr] | -2.745343107 (0.05) | -2.668 (0.1) | -2.668309277 (0.1) | -2.745 (0.05) | -2.5 | |||
Variability | |||||||||
Magnetic | |||||||||
Bd | [MG] | ||||||||
Infrared excess (disk) | |||||||||
Binarity | |||||||||
B magnitude | 15.49 (0.03) | ||||||||
V magnitude | 15.73 (0.1) | ||||||||
R magnitude | 16.14 (0.3) | ||||||||
I magnitude | |||||||||
J magnitude | 16.46 (0.1) | 16.46 (0.1) | |||||||
H magnitude | 16.31 | ||||||||
K magnitude | 17.14 | ||||||||
u magnitude | 14.95 (0.004) | 14.95 (0.004) | 14.95 (0.004) | 14.97 (0.02) | |||||
g magnitude | 15.38 (0.004) | 15.38 (0.004) | 15.38 (0.004) | 15.44 (0.02) | |||||
r magnitude | 15.92 (0.005) | 15.92 (0.005) | 15.92 (0.005) | 15.92 (0.01) | |||||
i magnitude | 16.29 (0.005) | 16.29 (0.005) | 16.29 (0.005) | 16.28 (0.01) | |||||
z magnitude | 16.62 (0.009) | 16.62 (0.009) | 16.62 (0.009) | 16.61 (0.02) | |||||
G magnitude | 15.66 (0.002) | 15.67 (0.001) | 15.67 | 15.66 (0.003) | |||||
BP magnitude | 15.49 (0.002) | 15.42 (0.01) | 15.42 | ||||||
RP magnitude | 15.97 (0.003) | 15.98 (0.003) | 15.98 | ||||||
Pan g magnitude | 15.47 (0.007) | 15.47 (0.007) | |||||||
Pan r magnitude | 15.93 (0.002) | 15.93 (0.002) | |||||||
Pan i magnitude | 16.31 (0.002) | 16.31 (0.002) | |||||||
Pan z magnitude | 16.60 (0.003) | 16.61 (0.003) | |||||||
Pan y magnitude | 16.83 (0.005) | 16.83 (0.005) | |||||||
E(B-V) | 0.019 |
* 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.