All names: PG1545+035, 2MASS J15482425+0322509, PG 1545+035, SDSS J154824.24+032250.9, WISEA J154824.27+032252.0, Gaia DR3 4424381365074769152, UCAC2 32882824, WISE J154824.28+032252.1, GALEX J154824.1+032249, TIC 272595105, Gaia DR2 4424381365074769152
Parameter | Unit | Geier 2020 | Stilism | Simbad |
---|---|---|---|---|
Right ascension | 15 48 24.26 | 15 48 24.25 (0.03) | ||
Declination | 03 22 51.17 | 03 22 50.91 (0.03) | ||
Spectral type | sdOB | sdO2VIeHe12 | ||
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] | 0.43 (0.06) | 0.42 (0.04) | |
Distance | [pc] | 2336.45 (332) | 2398.66 (216) | |
Composition | ||||
Proper motion (right ascension) | [mas/yr] | -5.293 (0.1) | -4.997 (0.04) | |
Proper motion (declination) | [mas/yr] | -2.113 (0.1) | -2.146 (0.04) | |
Variability | ||||
Magnetic | ||||
Bd | [MG] | |||
Infrared excess (disk) | ||||
Binarity | ||||
B magnitude | 13.57 | |||
V magnitude | ||||
R magnitude | 14.94 (0.4) | |||
I magnitude | ||||
J magnitude | 14.91 (0.04) | 14.91 (0.04) | ||
H magnitude | 14.99 (0.05) | 14.99 (0.05) | ||
K magnitude | 14.89 (0.1) | 14.89 (0.1) | ||
u magnitude | 13.77 (0.003) | |||
g magnitude | 14.00 (0.003) | |||
r magnitude | 14.53 (0.004) | |||
i magnitude | 14.84 (0.004) | |||
z magnitude | 15.14 (0.005) | |||
G magnitude | 14.32 (0.0007) | 14.30 (0.003) | ||
BP magnitude | 14.09 (0.01) | |||
RP magnitude | 14.54 (0.003) | |||
Pan g magnitude | 14.17 (0.002) | |||
Pan r magnitude | 14.54 (0.006) | |||
Pan i magnitude | 14.88 (0.001) | |||
Pan z magnitude | 15.13 (0.005) | |||
Pan y magnitude | 15.31 (0.003) | |||
E(B-V) | 0.050 |
* 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.