CBS 239

All names: SDSS J151918.29+370849.1, SDSS J151918.27+370849.1, CBS 239, PSO J151918.275+370849.185, Gaia DR2 1387472009400211456, SDSS J151918.27+370849.15

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 15 19 18.26 (0.04) 15 19 18.29 15 19 18.32
Declination 37 08 49.12 (0.07) 37 08 49.17 37 08 49.41
Spectral type DA DA DA2.0
Effective temperature [K] 22335.0 26429.0 (139)
log(g) [cgs] 7.78 8.03 (0.02)
Mass [M☉] 0.513 0.6509999999999999 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0263
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] 6.18 (0.07)
Distance [pc] 161.76 (2)
Composition H
Proper motion (right ascension) [mas/yr] -34.8383707646 (0.09) -37.0
Proper motion (declination) [mas/yr] -0.2843079765 (0.1) -1.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.00
V magnitude
R magnitude
I magnitude
J magnitude 16.70
H magnitude
K magnitude
u magnitude 15.94 (0.01) 15.94 (0.005) 15.94
g magnitude 16.03 (0) 16.03 (0.004) 16.03
r magnitude 16.48 (0) 16.48 (0.005) 16.48
i magnitude 16.81 (0.01) 16.81 (0.006) 16.81
z magnitude 17.12 (0.01) 17.12 (0.01) 17.12
G magnitude 16.30
BP magnitude 16.12
RP magnitude 16.50
Pan g magnitude 16.12 (0.005)
Pan r magnitude 16.49 (0.008)
Pan i magnitude 16.83 (0.002)
Pan z magnitude 17.11 (0.009)
Pan y magnitude 17.27 (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.