CSO 1241

All names: CSO 1241, Gaia DR3 769790390076725376, SDSS J115547.42+432751.4, Gaia EDR3 769790390076725376, J1155+4327, SDSS J115547.43+432751.5, WD 1153+437, Gaia DR2 769790390076725376, GALEX J115547.4+432751, USNO-A2.0 1275-08002566

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Coutu et al. 2019 Gaia DR2 Stilism Dufour et al. 2007 Vincent et al. 2024 Simbad Eisenstein et al. 2006 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 11 55 47.34 (0.1) 11 55 47.43 11 55 47.44 11 55 47.35 (0.2) 11 55 47.34 11 55 47.44 (0.1) 11 55 47.43 11 55 47.28 11 55 47.43
Declination 43 27 51.60 (0.2) 43 27 51.47 43 27 51.40 43 27 51.59 (0.2) 43 27 51.60 43 27 51.41 (0.2) 43 27 51.48 43 27 48.24 43 27 51.47
Spectral type DZ DZ DZ DZ DZ DZ DZ DZ
Effective temperature [K] 9902.0 (339) 8390.0 (120) 9348.0 (352) 10292.0 (166) 10313.0 (160)
log(g) [cgs] 7.93 8.00 7.84 (0.07) 8.38 (0.4) 9.37 (0.4)
Mass [M] 0.5391 0.489 (0.05)
log(Luminosity) [L]
Cooling age [Gyr] 0.5820
log(H/He) <-5.9232 -4 (0)
log(C/He)
log(Ca/He) -9.7263 (0.09) -10.46 (0.07)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 6.10 (0.2) 5.72 5.72 (0.3) 6.10 6.10 (0.2)
Distance [pc] 163.91 (5) 174.93 (8) 174.93 (8) 125.00 163.91 163.91 (5)
Composition He He
Proper motion (right ascension) [mas/yr] -65.39997633 (0.2) -65.36816729 (0.3) -65.4 (0.2) -58.6
Proper motion (declination) [mas/yr] 12.07188771 (0.2) 12.57494871 (0.4) 12.072 (0.2) 14.7
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 17.90 (0.3)
V magnitude
R magnitude 18.10 (0.3)
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.55 (0.02) 18.55 (0.02) 18.57 (0.03) 18.57 18.59 (0.03)
g magnitude 18.39 (0.007) 18.39 (0.007) 18.41 (0.03) 18.41 18.42 (0.03)
r magnitude 18.44 (0.008) 18.44 (0.008) 18.48 (0.02) 18.47 18.48 (0.02)
i magnitude 18.60 (0.01) 18.60 (0.01) 18.65 (0.01) 18.65 18.66 (0.02)
z magnitude 18.70 (0.03) 18.70 (0.03) 18.78 (0.03) 18.78 18.78 (0.03)
G magnitude 18.43 (0.02) 18.47 18.43 18.43 (0.003)
BP magnitude 18.46 (0.02) 18.43
RP magnitude 18.28 (0.03) 18.27
Pan g magnitude 18.43 (0.005)
Pan r magnitude 18.50 (0.006)
Pan i magnitude 18.66 (0.004)
Pan z magnitude 18.81 (0.02)
Pan y magnitude 18.85 (0.03)
E(B-V) 0.009

* 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.