PSO J241.3352+55.9465

All names: GALEX J160520.5+555646, LSPM J1605+5556, WD 1604+560, SDSS J160520.60+555646.5, WDJ160520.73+555645.76, SDSS J160520.61+555646.6, SDSS J160520.60+555646.6, NLTT 41990, PSO J241.3352+55.9465, PM J16053+5556, USNO-B1.0 1459-00253383, 16053+5556, Gaia DR2 1621523537776065280, PSO J241.3347+55.9467, J1605+5556, Gaia DR3 1621523537776065280, Gaia EDR3 1621523537776065280, LP 136-45

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 Kilic et al. 2020 Blouin et al. 2019 MWDD H Gaia DR2 Stilism Limoges et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 16 05 20.30 (0.06) 16 05 20.32 (0.07) 16 05 20.30 16 05 20.73 (0.06) 16 05 20.32 16 05 19.94
Declination 55 56 48.66 (0.06) 55 56 48.56 (0.07) 55 56 48.66 55 56 45.76 (0.06) 55 56 48.56 55 56 45.24
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 6886.0 (26) 6837.0 (38) 6780.0 (60) 6830.0 6840.0 (113) 6937.0 (71)
log(g) [cgs] 7.43 (0.01) 7.41 (0.01) 7.40 (0.03) 7.41 7.57 (0.1) 7.47 (0.02)
Mass [M] 0.318 (0.006) 0.31 (0.007) 0.304 (0.01) 0.309 0.37 (0.06) 0.33 (0.01)
log(Luminosity) [L] -3.27
Cooling age [Gyr] 0.8500 0.8610 (0.03) 0.8537
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] 11.18 (0.06) 11.12 (0.07) 11.12 (0.07) 11.12 (0.07) 11.18 11.18 (0.06) 11.12 (0.07)
Distance [pc] 89.48 (0.5) 89.93 (0.6) 89.94 (0.6) 89.94 (0.6) 64.80 (3) 89.48 89.48 (0.5) 89.94 (0.6)
Composition H H H H
Proper motion (right ascension) [mas/yr] -225.0469761 (0.08) -225.3527234 (0.1) -225.047 (0.08) -225.3527234
Proper motion (declination) [mas/yr] 181.1381035 (0.08) 181.040049 (0.2) 181.138 (0.08) 181.040049
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.50
V magnitude
R magnitude 17.40
I magnitude
J magnitude 16.81 (0.02) 16.77 (0.2) 15.98
H magnitude 16.10 (0.2) 15.53
K magnitude 16.62 (0.007) 15.88 (0.2) 15.57
u magnitude 18.33 (0.02) 18.28 18.32 (0.02) 18.32 (0.02)
g magnitude 17.68 17.74 (0.005) 17.68 (0.006)
r magnitude 17.49 17.55 (0.004) 17.50 (0.006)
i magnitude 18.74 17.51 (0.003) 18.73 (0.01)
z magnitude 17.29 17.55 (0.007) 17.30 (0.01)
G magnitude 17.53 (0.01) 17.55 17.53 17.53 (0.003) 17.55
BP magnitude 17.74 (0.01) 17.73 17.73
RP magnitude 17.19 (0.008) 17.20 17.20
Pan g magnitude 17.74 (0.006) 17.74 (0.006) 17.74 (0.006)
Pan r magnitude 17.55 (0.004) 17.55 (0.004) 17.55 (0.004)
Pan i magnitude 17.51 (0.003) 17.51 (0.003) 17.50 (0.003)
Pan z magnitude 17.55 (0.006) 17.55 (0.007) 17.55 (0.007)
Pan y magnitude 17.58 (0.008) 17.58 (0.01) 17.57 (0.01)
E(B-V) 0.012

* Constant surface field

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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.