All names: SDSSJ095229.62+301553.6, SDSS J095229.62+301553.6, USNO-B1.0 1202-00176348, GALEX J095229.6+301553, Gaia DR2 744485198682852608, Gaia DR3 744485198682852608
Parameter | Unit | Geier 2020 | Simbad |
---|---|---|---|
Right ascension | 09 52 29.62 | 09 52 29.63 (0.1) | |
Declination | 30 15 53.60 | 30 15 53.63 (0.1) | |
Spectral type | sdB | sdB | |
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] | -0.10 (0.3) | |
Distance | [pc] | ||
Composition | |||
Proper motion (right ascension) | [mas/yr] | -1.618 (0.4) | -1.994 (0.2) |
Proper motion (declination) | [mas/yr] | -4.028 (0.3) | -3.986 (0.1) |
Variability | |||
Magnetic | |||
Bd | [MG] | ||
Infrared excess (disk) | |||
Binarity | |||
B magnitude | 17.80 | ||
V magnitude | |||
R magnitude | 18.80 | ||
I magnitude | |||
J magnitude | |||
H magnitude | |||
K magnitude | |||
u magnitude | 17.89 (0.01) | 17.89 (0.01) | |
g magnitude | 18.21 (0.007) | 18.21 (0.007) | |
r magnitude | 18.71 (0.009) | 18.71 (0.009) | |
i magnitude | 19.09 (0.01) | 19.09 (0.01) | |
z magnitude | 19.34 (0.05) | 19.34 (0.05) | |
G magnitude | 18.51 (0.003) | 18.49 (0.003) | |
BP magnitude | 18.29 (0.02) | ||
RP magnitude | 18.77 (0.03) | ||
Pan g magnitude | 18.28 (0.007) | ||
Pan r magnitude | 18.73 (0.008) | ||
Pan i magnitude | 19.11 (0.006) | ||
Pan z magnitude | 19.37 (0.02) | ||
Pan y magnitude | 19.51 (0.05) | ||
E(B-V) |
* 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.