GD 233

All names: Gaia DR2 2672331542084770432, 2130-047, WD 2130-047, LP 698-6, EGGR 146, SDSS J213334.93-043224.1, WD 2130-04, uvby98 610060233, PHL 35, CSI-04-21300, L 930-1, GD 233, TIC 269020902, Gaia EDR3 2672331542084770432, 2MASS J21333482-0432241, Gaia DR3 2672331542084770432, GEN# +6.10060233, GD233, WDJ213334.85-043224.12, NLTT 51536, uvby98 610160035, L 1002-62, GCRV 72278, LTT 8579, GALEX J213334.8-043224

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Leggett et al. 2018 MWDD HE Gaia DR2 Stilism Bergeron et al. 2011 Zuckerman et al. 2010 Desharnais et al. 2008 Voss et al. 2007 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 21 33 35.11 (0.03) 21 33 35.10 (0.05) 21 33 35.11 21 33 34.85 (0.03) 21 33 35.10 21 33 34.06
Declination -04 32 23.89 (0.03) -04 32 23.90 (0.05) -04 32 23.89 -04 32 24.12 (0.03) -04 32 23.90 -04 32 26.88
Spectral type DBA2.9 DBA DBA DBA DB DB4 DB4
Effective temperature [K] 17271.0 (1104) 17610.0 18110.0 (427) 18200.0 18340.0 17562.0 16000.0 17990.0 (226)
log(g) [cgs] 7.97 (0.07) 8.00 8.11 (0.08) 7.95 8.02 (0.01)
Mass [M] 0.577 (0.05) 0.595 0.66 (0.05) 0.565 0.608 (0.01)
log(Luminosity) [L] -1.86
Cooling age [Gyr] 0.1170 (0.03) 0.1156 0.1349 1.1150
log(H/He) -5.76 (1) -5.34 <-5
log(C/He) <-8.9
log(Ca/He) <-9.2
log(Ca/H)
log(N/He) <-7.6
log(O/He) <-6.2
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He) <-8.0
log(P/He) <-9
log(S/He) <-8.0
log(Cl/He) <-7.5
log(Sc/He)
log(Ti/He)
log(V/He) <-8
log(Cr/He) <-7.8
log(Mn/He)
log(Fe/He) <-7.8
log(Co/He) <-7
log(Ni/He) <-7.3
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He) <-8.9
log(Sr/He)
Parallax [mas] 18.86 (0.04) 18.99 (0.4) 18.86 (0.06) 18.86 18.86 (0.04) 18.86 (0.06)
Distance [pc] 53.03 (0.1) 52.66 (1) 53.03 (0.2) 50.00 53.03 53.03 (0.1) 53.03 (0.2)
Composition He He
Proper motion (right ascension) [mas/yr] 242.0279438 (0.04) 242.1877486 (0.1) 242.028 (0.04) 242.1877486
Proper motion (declination) [mas/yr] 14.19244966 (0.03) 14.1936214 (0.09) 14.192 (0.03) 14.1936214
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.45
V magnitude 14.52 14.50 14.50
R magnitude
I magnitude
J magnitude 14.92 (0.03)
H magnitude 15.01 (0.08)
K magnitude 15.16 (0.1)
u magnitude 14.25 (0.03) 14.13 (0.003)
g magnitude 14.35 (0.02) 14.33 (0.003)
r magnitude 14.68 (0.01) 14.69 (0.004)
i magnitude 14.93 (0.01) 14.95 (0.004)
z magnitude 15.24 (0.02) 15.23 (0.005)
G magnitude 14.50 (0.001) 14.52 14.50 14.50 (0.003) 14.52
BP magnitude 14.43 (0.001) 14.39 14.39
RP magnitude 14.64 (0.001) 14.64 14.64
Pan g magnitude 14.40 (0.004)
Pan r magnitude 14.69 (0.003)
Pan i magnitude 14.99 (0.002)
Pan z magnitude 15.22 (0.007)
Pan y magnitude 15.39 (0.006)
E(B-V) 0.001

* 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.