EGGR 555

All names: LHS 542, Gaia DR3 2631967439437024384, [IIB2000] F821-07, USNO-B1.0 0837-00670162, WDJ231909.52-061249.96, Gaia EDR3 2631967439437024384, WD 2316-065, Gaia DR2 2631967439437024384, PSO J349.7876-06.2190, 2MASS J23190956-0612480, EGGR 555, J2319-0613, 2316-064, [SRH2004] 3, WD 2316-064, NLTT 56473, LP 702-7, TIC 49590632

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Caron et al. 2023 Blouin et al. 2019 Leggett et al. 2018 Gaia DR2 Stilism Bergeron et al. 2005 Bergeron et al. 2001 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 19 08.87 (0.1) 23 19 08.89 (0.2) 23 19 08.87 23 19 09.52 (0.1) 23 19 08.89 23 19 12.12
Declination -06 13 15.40 (0.1) -06 13 14.61 (0.2) -06 13 15.40 -06 12 49.96 (0.1) -06 13 14.61 -06 11 28.68
Spectral type DC DC DC DC11.2 DC DA: DC9 DC9
Effective temperature [K] 4563.0 (89) 4585.0 (22) 4465.0 (40) 4515.0 (73) 4740.0 (50) 4720.0 (50) 4578.0 (67)
log(g) [cgs] 7.81 (0.07) 7.81 (0.02) 7.72 (0.03) 7.89 (0.06) 8.15 8.17 (0.2) 7.80 (0.04)
Mass [M] 0.477 (0.03) 0.468 (0.01) 0.423 (0.02) 0.514 (0.05) 0.67 0.68 (0.1) 0.464 (0.03)
log(Luminosity) [L] -4.25 (0.1)
Cooling age [Gyr] 5.6400 4.6910 (0.4) 6.4440 (0.7) 7.2900 7.3000 (0.5)
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] 27.55 (0.2) 27.55 (0.2) 27.61 (0.3) 27.61 (0.3) 29.49 (1) 27.61 (0.3) 32.20 (4) 27.55 27.55 (0.2) 27.61 (0.3) 26.20 (4)
Distance [pc] 36.30 (0.3) 36.30 (0.3) 36.22 (0.4) 36.21 (0.4) 33.91 (1) 36.21 (0.4) 31.00 31.06 (4) 36.30 36.30 (0.3) 36.21 (0.4) 38.17 (6)
Composition H H He He
Proper motion (right ascension) [mas/yr] -605.8081518 (0.2) -605.578252 (0.3) -605.808 (0.2) -605.578252
Proper motion (declination) [mas/yr] -1589.950273 (0.1) -1589.815201 (0.3) -1589.95 (0.1) -1589.815201
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 19.23 19.23 19.47
V magnitude 18.15 18.15 18.22
R magnitude 17.53 17.53
I magnitude 16.99 16.99
J magnitude 16.31 (0.09) 16.31 (0.09) 16.38 (0.05) 16.38 16.31 (0.09)
H magnitude 15.84 (0.1) 15.84 (0.1) 16.12 (0.05) 16.14 15.84 (0.1)
K magnitude 16.08 (0.05) 16.08 (0.05) 16.10
u magnitude 20.62 (0.03) 20.62 (0.08)
g magnitude 18.62 (0.009) 18.75 (0.008)
r magnitude 17.82 (0.006) 17.80 (0.006)
i magnitude 17.48 (0.006) 17.45 (0.006)
z magnitude 17.35 (0.009) 17.29 (0.02)
G magnitude 17.84 (0.02) 17.87 17.84 17.84 (0.003) 17.87
BP magnitude 18.43 (0.02) 18.50 18.50
RP magnitude 17.13 (0.01) 17.12 17.12
Pan g magnitude 18.60 (0.02) 18.58 (0.01) 18.62 (0.009)
Pan r magnitude 17.82 (0.007) 17.78 (0.004) 17.82 (0.006)
Pan i magnitude 17.48 (0.008) 17.46 (0.002) 17.48 (0.006)
Pan z magnitude 17.36 (0.007) 17.36 (0.007) 17.34 (0.009)
Pan y magnitude 17.28 (0.008) 17.29 (0.02) 17.27 (0.01)
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.