CSO 300

All names: J1055+3506, SDSS J105500.32+350625.1, SDSS J105500.28+350625.2, GALEX J105500.3+350625, WDJ105500.35+350625.14, CSO 300, Gaia EDR3 762520556632292480, USNO-B1.0 1251-00185616, SDSS J105500.28+350625.20, Gaia DR3 762520556632292480, Gaia DR2 762520556632292480, SDSS J105500.28+350625.1

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR10 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Kepler et al. 2015 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 Vincent et al. 2023
Right ascension 10 55 00.24 (0.06) 10 55 00.32 10 55 00.24 (0.1) 10 55 00.24 10 55 00.35 (0.06) 10 55 00.24
Declination 35 06 25.15 (0.05) 35 06 25.14 35 06 25.14 (0.08) 35 06 25.15 35 06 25.14 (0.05) 35 06 25.14
Spectral type DA DA DA DA DA DA DA
Effective temperature [K] 14346.0 (104) 14351.0 (104) 14053.0 14525.0 (90) 14634.0 (309)
log(g) [cgs] 8.41 (0.008) 8.40 (0.01) 8.38 8.51 (0.01) 8.43 (0.02)
Mass [M] 0.867 (0.008) 0.862 (0.01) 0.851 0.915 (0.006) 0.879 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.4374
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] 10.44 (0.07) 10.39 (0.1) 10.44 10.44 (0.07) 10.39 (0.1)
Distance [pc] 95.74 (0.7) 96.27 (1) 95.74 95.74 (0.7) 96.27 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -88.83774166 (0.07) -88.84427872 (0.2) -88.838 (0.07) -88.84427872
Proper motion (declination) [mas/yr] 0.613472181 (0.06) 0.507128037 (0.2) 0.613 (0.06) 0.507128037
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.80
V magnitude
R magnitude 17.00
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 17.09 (0.008) 17.09 (0.02) 17.09 (0.008) 17.09 (0.008)
g magnitude 16.84 (0.004) 16.85 (0.02) 16.84 (0.004) 16.84 (0.004)
r magnitude 17.08 (0.005) 17.09 (0.02) 17.08 (0.005) 17.08 (0.005)
i magnitude 17.29 (0.006) 17.29 (0.01) 17.29 (0.006) 17.29 (0.006)
z magnitude 17.56 (0.01) 17.56 (0.02) 17.56 (0.01) 17.56 (0.01)
G magnitude 16.94 (0.007) 16.96 16.94 16.94 (0.003) 16.96
BP magnitude 16.93 (0.007) 16.91 16.91
RP magnitude 17.02 (0.008) 17.03 17.03
Pan g magnitude 16.84 (0.002)
Pan r magnitude 17.07 (0.005)
Pan i magnitude 17.32 (0.003)
Pan z magnitude 17.55 (0.006)
Pan y magnitude 17.72 (0.01)
E(B-V) 0.005

* 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.