LP 895-41

All names: CCDM J06446-2836B, 2MASS J06442874-2832380, WDS J06445-2834B, Gaia DR3 2918665577420228480, IDS 06406-2828 B, Gaia DR2 2918665577420228480, DENIS J064428.7-283238, LP 895-41, WD 0642-285, TIC 172703276, USNO-B1.0 0614-00086099, J0644-2832, ** LDS 848B, WD 0642-28, WT 1525, Gaia EDR3 2918665577420228480, CD-28 3361, UCAC3 123-29571, WDJ064428.73-283238.07, CD-28 3358B

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Caron et al. 2023 MWDD H Gaia DR2 Bedard et al. 2017 Tremblay et al. 2017 Stilism Gianninas et al. 2011 Koester et al. 2009 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 06 44 28.59 (0.03) 06 44 28.60 (0.04) 06 44 28.59 06 44 28.73 (0.03) 06 44 28.60 06 44 34.01
Declination -28 32 39.64 (0.03) -28 32 39.59 (0.04) -28 32 39.64 -28 32 38.07 (0.03) -28 32 39.59 -28 35 39.48
Spectral type DA DA DA DA DA DA DA5.4 DA
Effective temperature [K] 9073.0 (57) 9049.0 9230.0 (133) 9280.0 (130) 9370.0 (134) 9133.0 (21) 9483.0 (72)
log(g) [cgs] 7.90 (0.01) 7.90 7.95 (0.05) 7.87 (0.05) 8.15 (0.05) 7.81 (0.03) 7.99 (0.01)
Mass [M] 0.542 (0.009) 0.538 0.56 (0.1) 0.69 (0.03) 0.595 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 0.7200 0.6820
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] 15.38 (0.04) 15.43 (0.05) 15.43 (0.05) 15.34 (0.4) 15.38 15.38 (0.04) 15.43 (0.05)
Distance [pc] 65.01 (0.2) 64.81 (0.2) 64.80 (0.2) 65.20 (2) 65.19 (2) 32.00 65.01 65.01 (0.2) 64.80 (0.2)
Composition H H H
Proper motion (right ascension) [mas/yr] -112.8990741 (0.04) -112.8463799 (0.08) -112.899 (0.04) -112.8463799
Proper motion (declination) [mas/yr] -98.34266429 (0.04) -98.25330154 (0.08) -98.343 (0.04) -98.25330154
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.20 16.00
V magnitude 16.60 (0.05) 15.20
R magnitude 17.05
I magnitude 16.32 (1)
J magnitude 16.24 (0.1) 16.24 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.42 (0.005) 16.44 16.42 (0.002) 16.42 16.42 (0.003) 16.44
BP magnitude 16.50 (0.005) 16.50 16.50
RP magnitude 16.27 (0.006) 16.29 16.29
Pan g magnitude 16.46 (0.003) 16.46 (0.004)
Pan r magnitude 16.49 (0.003) 16.49 (0.002)
Pan i magnitude 16.59 (0.005) 16.59 (0.005)
Pan z magnitude 16.74 (0.008) 16.74 (0.006)
Pan y magnitude 16.78 (0.009) 16.78 (0.009)
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.