LP642-052

All names: LSPM J2321+0102S, Gaia EDR3 2645295921252503424, J2321+0102, WD 2318+007.1, Gaia DR3 2645295921252503424, LP 642-52, Gaia DR2 2645295921252503424, SDSS J232115.32+010211.2, NLTT 56590, WDJ232115.34+010211.96, GSC2U J232115.4+010214, SDSS J232115.31+010211.0, USNO-B1.0 0910-00564672, LP642-052

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Caron et al. 2023 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Vincent et al. 2023
Right ascension 23 21 15.23 (0.2) 23 21 15.31 23 21 15.23 (0.3) 23 21 15.34 (0.3) 23 21 15.23 23 21 16.58
Declination 01 02 07.98 (0.2) 01 02 11.04 01 02 08.10 (0.3) 01 02 11.96 (0.3) 01 02 08.10 01 02 26.88
Spectral type DA DA DA DA DC: DA
Effective temperature [K] 5650.0 (46) 5528.0 (50) 5647.0
log(g) [cgs] 8.42 (0.02) 8.34 (0.03) 8.40
Mass [M] 0.857 (0.02) 0.804 (0.03) 0.843
log(Luminosity) [L]
Cooling age [Gyr] 6.3200 5.8440
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] 16.57 (0.3) 16.22 (0.3) 16.22 (0.3) 16.22 (0.3) 16.22 (0.3)
Distance [pc] 60.36 (1) 61.65 (1) 61.64 (1) 61.65 (1) 61.64 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -104.9978351 (0.3) -104.8608413 (0.6) -104.861 (0.6) -104.8608413
Proper motion (declination) [mas/yr] -248.7144303 (0.3) -249.1599681 (0.5) -249.16 (0.5) -249.1599681
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity yes
B magnitude 20.30
V magnitude
R magnitude 19.20
I magnitude
J magnitude 17.84 (0.03) 17.78 (0.04)
H magnitude 17.62 (0.04) 17.54 (0.04)
K magnitude 17.76 (0.2) 17.53 (0.05)
u magnitude 20.52 (0.06) 20.58 (0.06) 20.54 (0.06) 20.48 (0.06) 20.51
g magnitude 19.29 (0.01) 19.29 (0.01) 19.34 (0.01) 19.37
r magnitude 18.82 (0.01) 18.81 (0.01) 18.82 (0.01) 18.84
i magnitude 18.65 (0.01) 18.64 (0.01) 18.64 (0.01) 18.65
z magnitude 18.52 (0.03) 18.52 (0.03) 18.58 (0.04) 18.59
G magnitude 18.84 (0.04) 18.87 18.87 (0.003) 18.87
BP magnitude 19.13 (0.04) 19.08 19.08
RP magnitude 18.39 (0.03) 18.36 18.36
Pan g magnitude 19.22 (0.02) 19.22 (0.02)
Pan r magnitude 18.82 (0.01) 18.82 (0.01)
Pan i magnitude 18.64 (0.004) 18.64 (0.004)
Pan z magnitude 18.58 (0.002) 18.58 (0.002)
Pan y magnitude 18.61 (0.02) 18.61 (0.02)
E(B-V) 0.002

* 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.