CBS 321

All names: SDSS J152907.43+445330.6, CBS 321, WD 1527+450, PSO J152907.429+445330.800, Gaia DR2 1394753761376882560, SDSS J152907.43+445330.66

Parameter Unit MWDD H Pan-STARRS DR1 Gaia DR2 Kepler et al. 2015 SDSS DR10 Simbad
Right ascension 15 29 07.43 (0.1) 15 29 07.43 15 29 07.43
Declination 44 53 30.60 (0.1) 44 53 30.90 44 53 30.90
Spectral type DA DA DA
Effective temperature [K] 19058.0 23113.0 (149)
log(g) [cgs] 7.88 8.13 (0.02)
Mass [M☉] 0.556 0.698 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.0627
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] 3.40 (0.1)
Distance [pc] 293.99 (13)
Composition H
Proper motion (right ascension) [mas/yr] -4.4005589806 (0.3) -4.0
Proper motion (declination) [mas/yr] -23.2307688423 (0.3) -23.0
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.00
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.79 (0.03) 17.79 (0.01) 17.79
g magnitude 17.84 (0.02) 17.82 (0.006) 17.82
r magnitude 18.21 (0.01) 18.21 (0.007) 18.21
i magnitude 18.54 (0.01) 18.54 (0.01) 18.54
z magnitude 18.76 (0.03) 18.80 (0.03) 18.80
G magnitude 18.05
BP magnitude 17.92
RP magnitude 18.19
Pan g magnitude 17.88 (0.004)
Pan r magnitude 18.20 (0.002)
Pan i magnitude 18.55 (0.005)
Pan z magnitude 18.79 (0.01)
Pan y magnitude 18.96 (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.