All names: UCAC2 32202906, SDSS J105228.19+010345.8, 2MASS J10522817+0103457, PG1049+013, UCAC4 456-049778, PG 1049+013, Gaia DR3 3807932096422289024, Gaia DR2 3807932096422289024, TIC 281746515
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 10 52 28.39 | 10 52 28.19 (0.04) | ||
Declination | 01 03 43.17 | 01 03 45.81 (0.04) | ||
Spectral type | sdB+K | sdO8VIepHe1 | ||
Effective temperature | [K] | |||
log(g) | [cgs] | |||
Mass | [M☉] | |||
log(Luminosity) | [L☉] | |||
Cooling age | [Gyr] | |||
log(H/He) | ||||
log(C/He) | ||||
log(Ca/He) | ||||
log(Ca/H) | ||||
Parallax | [mas] | 0.57 (0.06) | 0.49 (0.04) | |
Distance | [pc] | 1764.60 (189) | 2040.82 (177) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | 3.432 (0.1) | 3.379 (0.06) | |
Proper motion (declination) | [mas/yr] | -5.318 (0.1) | -5.467 (0.06) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 14.33 (0.01) | |||
V magnitude | 14.41 (0.01) | |||
R magnitude | 15.12 (0.05) | |||
I magnitude | ||||
J magnitude | 15.00 (0.1) | 15.22 (0.005) | ||
H magnitude | 14.38 (0.2) | 15.34 (0.01) | ||
K magnitude | 13.79 (0.1) | 15.42 (0.01) | ||
u magnitude | 17.16 (0.02) | 14.02 (0.01) | ||
g magnitude | 15.99 (0.01) | 14.34 (0.02) | ||
r magnitude | 15.22 (0.003) | 14.80 (0.01) | ||
i magnitude | 14.89 (0.003) | 15.13 (0.01) | ||
z magnitude | 14.60 (0.006) | 15.46 (0.02) | ||
G magnitude | 14.58 (0.001) | 14.56 (0.003) | ||
BP magnitude | 14.35 (0.009) | |||
RP magnitude | 14.85 (0.003) | |||
Pan g magnitude | ||||
Pan r magnitude | ||||
Pan i magnitude | 16.06 (0) | |||
Pan z magnitude | ||||
Pan y magnitude | ||||
E(B-V) | 0.026 |
* 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.