V* MY Aps

All names: 2MASS J14330759-8120145, WG 27, V* MY Aps, WD 1425-81, CNS5 3608, CSI-81-14254, LTT 5712, WD 1425-811, Gaia DR3 5772718006135360128, UCAC4 044-012005, NLTT 37413, GCRV 27465, TIC 262872628, GJ 2108, WDJ143307.64-812014.13, WISEA J143306.93-812018.1, L19-2, EGGR 110, Gaia EDR3 5772718006135360128, BPM 784, Gaia DR2 5772718006135360128, USNO-B1.0 0086-00061848, GEN# +6.20020110, UBV 12627, L 19-2, GSC 09439-00778, LAWD 54

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Koester et al. 2009 Yeates et al. 2005 Warner & Cropper 1992 McGraw 1977 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 33 06.54 (0.01) 14 33 06.57 (0.02) 14 33 07.68 14 33 06.54 14 33 07.64 (0.01) 14 33 06.57 14 32 19.70
Declination -81 20 20.37 (0.01) -81 20 20.17 (0.02) -80 09 25.20 -81 20 20.37 -81 20 14.13 (0.01) -81 20 20.17 -81 20 18.60
Spectral type DA DAV DAV4.2 DA DA DA DA4.1 DAV DA6
Effective temperature [K] 12147.0 (139) 12128.0 (182) 12098.0 12334.0 (182) 12330.0 (182) 12069.0 (17) 12070.0 12070.0 12070.0 11819.0 (52) 12100.0
log(g) [cgs] 8.12 (0.01) 7.98 (0.04) (0.04) 8.17 (0.04) 7.92 (0.003) 8.13 8.13 8.13 8.08 (0.004) 8.21
Mass [M] 0.675 (0.009) 0.6 (0.02) 0.61 (0.03) 0.71 (0.03) 0.655 (0.004)
log(Luminosity) [L] -2.46
Cooling age [Gyr] 0.3600 0.3500
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] 47.88 (0.01) 47.88 (0.01) 47.79 (0.03) 47.88 47.88 (0.01) 47.79 (0.03) 44.00
Distance [pc] 20.89 (0.006) 20.89 (0.004) 20.93 (0.01) 22.73 (0.3) 22.72 26.90 (1) 24.00 20.89 20.89 (0.006) 20.93 (0.01) 22.73
Composition H H H
Proper motion (right ascension) [mas/yr] -154.7977982 (0.01) -154.6651732 (0.05) -154.798 (0.01) -154.6651732
Proper motion (declination) [mas/yr] -389.8668083 (0.02) -389.9710524 (0.05) -389.867 (0.02) -389.9710524
Variability VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.49 (0.01)
V magnitude 13.75 13.75 13.75 13.00 13.00 13.00 13.35 (0.03) 13.75
R magnitude 13.65 (0.07)
I magnitude
J magnitude 13.58 (0.02)
H magnitude 13.60 (0.03)
K magnitude 13.64 (0.05)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.42 (0.001) 13.44 13.42 13.42 (0.003) 13.44
BP magnitude 13.43 (0.001) 13.42 13.42
RP magnitude 13.45 (0.0007) 13.46 13.46
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.001
Period #1 [s] 113.3 113.3 113.6
Amplitude #1 [mma] 0.3 0.6
Period #2 [s] 113.8 113.8 192.4
Amplitude #2 [mma] 1.8 2.4
Period #3 [s] 118.4 114.2
Amplitude #3 [mma] 0.3 0.3
Period #4 [s] 118.5 118.5
Amplitude #4 [mma] 1.6 2
Period #5 [s] 118.7 118.7
Amplitude #5 [mma] 1.2 1.2
Period #6 [s] 143.0 118.9
Amplitude #6 [mma] 0.3 0.3
Period #7 [s] 143.4 143.0
Amplitude #7 [mma] 0.4 0.3
Period #8 [s] 143.8 143.4
Amplitude #8 [mma] 0.2 0.6
Period #9 [s] 192.2 192.1
Amplitude #9 [mma] 1.2 0.8
Period #10 [s] 192.6 192.6
Amplitude #10 [mma] 5.5 6.5
Period #11 [s] 193.1 193.1
Amplitude #11 [mma] 1.0 0.9
Period #12 [s] 348.7 348.7
Amplitude #12 [mma] 0.3 0.5
Period #13 [s] 350.2 350.1
Amplitude #13 [mma] 0.9 1.1

* 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.