CBS 300

All names: SDSS J150551.49+455620.2, SDSS J150551.47+455620.1, CBS 300, PSO J150551.470+455620.082, Gaia DR2 1586362427230220032, SDSS J150551.47+455620.11

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 15 05 51.46 (0.07) 15 05 51.49 15 05 51.49
Declination 45 56 20.12 (0.08) 45 56 20.26 45 56 20.26
Spectral type DA DA DA2.5
Effective temperature [K] 18353.0 20851.0 (89)
log(g) [cgs] 7.85 8.01 (0.01)
Mass [M☉] 0.537 0.629 (0.005)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0710
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(C/H)
log(N/H)
log(O/H)
log(Na/H)
log(Mg/H)
log(Al/H)
log(Si/H)
log(P/H)
log(S/H)
log(Sc/H)
log(Ti/H)
log(Cr/H)
log(Mn/H)
log(Fe/H)
log(Ni/H)
Parallax [mas] 5.08 (0.09)
Distance [pc] 196.91 (3)
Composition H
Proper motion (right ascension) [mas/yr] -24.3838636076 (0.1) -26.0
Proper motion (declination) [mas/yr] -11.207184638 (0.2) -12.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.07 (0.02) 17.06 (0.008) 17.06
g magnitude 17.07 (0.02) 17.01 (0.004) 17.01
r magnitude 17.39 (0.01) 17.37 (0.005) 17.37
i magnitude 17.65 (0.01) 17.64 (0.007) 17.64
z magnitude 17.96 (0.03) 17.96 (0.02) 17.96
G magnitude 17.21
BP magnitude 17.09
RP magnitude 17.36
Pan g magnitude 17.04 (0.004)
Pan r magnitude 17.36 (0.004)
Pan i magnitude 17.66 (0.004)
Pan z magnitude 17.94 (0.009)
Pan y magnitude 18.11 (0.02)

* Constant surface field

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The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.