LSPM J1603+0808

All names: Gaia DR3 4451552182885460480, Gaia EDR3 4451552182885460480, GALEX J160353.9+080837, WIRED J160353.89+080837.5, J1603+0808, LSPM J1603+0808, USNO-B1.0 0981-00305466, Gaia DR2 4451552182885460480, WDJ160353.89+080838.05, SDSS J160353.89+080837.5, SDSS J160353.89+080837.6

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Kleinman et al. 2013 Vincent et al. 2023
Right ascension 16 03 53.88 (0.08) 16 03 53.89 16 03 53.88 (0.1) 16 03 53.88 16 03 53.90 (0.08) 16 03 53.88 16 03 53.89
Declination 08 08 35.77 (0.08) 08 08 37.60 08 08 35.84 (0.08) 08 08 35.77 08 08 38.04 (0.08) 08 08 35.84 08 08 37.57
Spectral type DA DA DA DA DA DA DA DA
Effective temperature [K] 7380.0 (44) 7349.0 (40) 7381.0 (44) 7234.0 7357.0 (102) 7157.0 (28)
log(g) [cgs] 7.99 (0.01) 7.96 (0.01) 7.97 (0.01) 7.93 7.98 (0.03) 7.81 (0.05)
Mass [M] 0.584 (0.01) 0.566 (0.01) 0.575 (0.01) 0.549 0.58 (0.02) 0.496 (0.03)
log(Luminosity) [L]
Cooling age [Gyr] 1.3000 1.2590
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] 14.44 (0.1) 14.30 (0.1) 14.30 (0.1) 14.44 14.44 (0.1) 14.30 (0.1)
Distance [pc] 69.24 (0.5) 69.93 (0.6) 69.93 (0.7) 69.24 69.24 (0.5) 69.93 (0.7)
Composition H H H
Proper motion (right ascension) [mas/yr] -14.45850137 (0.09) -14.3074962 (0.2) -14.459 (0.09) -14.3074962
Proper motion (declination) [mas/yr] -141.8115663 (0.09) -142.0597836 (0.2) -141.812 (0.09) -142.0597836
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.70
V magnitude
R magnitude 17.40
I magnitude 17.30
J magnitude 16.80 (0.02)
H magnitude
K magnitude
u magnitude 18.04 (0.01) 18.05 (0.01) 18.04 (0.01) 18.11 (0.01) 18.08 (0.03)
g magnitude 17.58 (0.005) 17.58 (0.005) 17.57 (0.005) 17.58 (0.01)
r magnitude 17.45 (0.005) 17.45 (0.005) 17.45 (0.006) 17.45 (0.01)
i magnitude 17.43 (0.006) 17.43 (0.006) 17.41 (0.006) 17.41 (0.02)
z magnitude 17.49 (0.01) 17.49 (0.01) 17.45 (0.01) 17.46 (0.02)
G magnitude 17.42 (0.01) 17.44 17.42 17.42 (0.003) 17.44
BP magnitude 17.61 (0.01) 17.59 17.59
RP magnitude 17.12 (0.01) 17.14 17.14
Pan g magnitude 17.59 (0.004) 17.59 (0.005)
Pan r magnitude 17.47 (0.004) 17.47 (0.004)
Pan i magnitude 17.45 (0.003) 17.45 (0.003)
Pan z magnitude 17.49 (0.007) 17.49 (0.007)
Pan y magnitude 17.54 (0.01) 17.54 (0.02)
E(B-V) 0.004

* 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.