Ton S 573

All names: USNO-B1.0 1163-00190763, uvby98 610060128, WDJ110959.87+261847.22, CSI+26-11073, GEN# +6.10060128, GD 128, LTT 13002, L 1403-49, LSPM J1109+2618, PG 1107+266, 2MASS J11095983+2618477, SDSS J110959.94+261845.4, WD 1107+265, PB 2243, TIC 138772988, Gaia EDR3 3998086241534550144, Gaia DR2 3998086241534550144, SDSS J110959.89+261846.5, Gaia DR3 3998086241534550144, GALEX J110959.9+261846, UBV 10184, EGGR 77, Ton S 573, Ton 573, FB 70, GD128, WD 1107+26

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 MWDD HE Gaia DR2 Stilism Koester & Kepler 2015 Bergeron et al. 2011 Zuckerman et al. 2010 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 11 09 59.95 (0.04) 11 09 59.89 11 09 59.95 (0.07) 11 09 59.95 11 09 59.87 (0.04) 11 09 59.95 11 10 00.14
Declination 26 18 44.96 (0.04) 26 18 46.52 26 18 45.03 (0.07) 26 18 44.96 26 18 47.22 (0.04) 26 18 45.03 26 18 55.08
Spectral type DBA DBA DBA DBZ DB DB4 DB DB4 DB
Effective temperature [K] 14638.0 (115) 14455.0 15421.0 (61) 15060.0 (361) 14850.0 14000.0 15478.0 (231)
log(g) [cgs] 8.01 (0.01) 7.98 8.00 (0) 8.09 (0.08) 8.09 (0.02)
Mass [M] 0.593 (0.008) 0.578 0.65 (0.05) 0.641 (0.01)
log(Luminosity) [L] -2.18
Cooling age [Gyr] 0.2163 0.2399 2.2000
log(H/He) -6.0 <-5.3 -5.36 (0.2) -4.6
log(C/He)
log(Ca/He) <-7.24 -9.9
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] 12.58 (0.05) 12.52 (0.1) 12.58 12.58 (0.05) 12.52 (0.1)
Distance [pc] 79.50 (0.3) 79.88 (0.7) 83.00 78.00 79.50 79.51 (0.3) 79.88 (0.7)
Composition He He
Proper motion (right ascension) [mas/yr] 70.25573077 (0.04) 70.05347901 (0.1) 70.256 (0.04) 70.053
Proper motion (declination) [mas/yr] -141.5285842 (0.04) -141.5527512 (0.1) -141.529 (0.04) -141.553
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.82
V magnitude 15.89
R magnitude 15.90
I magnitude
J magnitude 16.19 (0.09)
H magnitude 15.94 (0.1)
K magnitude 16.05 (0.2)
u magnitude 15.61 (0.005) 15.61 (0.005) 15.61 (0.005)
g magnitude 15.67 (0.004) 15.67 (0.004) 15.67 (0.004)
r magnitude 15.96 (0.004) 15.96 (0.004) 15.96 (0.004)
i magnitude 16.21 (0.005) 16.21 (0.005) 16.21 (0.005)
z magnitude 16.46 (0.009) 16.46 (0.009) 16.46 (0.009)
G magnitude 15.83 (0.003) 15.85 15.83 15.83 (0.003) 15.85
BP magnitude 15.77 (0.003) 15.75 15.75
RP magnitude 15.92 (0.004) 15.93 15.93
Pan g magnitude 15.74 (0.002)
Pan r magnitude 16.00 (0.003)
Pan i magnitude 16.24 (0.005)
Pan z magnitude 16.46 (0.005)
Pan y magnitude 16.62 (0.007)
E(B-V) 0.003

* 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.