WD 0344+073

All names: KUV 03442+0719, USNO-B1.0 0974-00044490, Gaia DR3 3277341526122556160, GALEX J034651.3+072802, Gaia DR2 3277341526122556160, WD 0344+073, TIC 468887063, 2MASS J03465131+0728026, Gaia EDR3 3277341526122556160

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Su et al. 2014 Gianninas et al. 2011 Koester et al. 2009 Gianninas et al. 2006 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 03 46 51.33 (0.06) 03 46 51.33 (0.07) 03 46 51.33 03 46 51.34 (0.06) 03 46 50.95
Declination 07 28 02.36 (0.04) 07 28 02.37 (0.04) 07 28 02.36 07 28 02.74 (0.04) 07 28 03.00
Spectral type DA DA DA DA4.5 DA
Effective temperature [K] 9929.0 10870.0 11180.0 (173) 10474.0 (14) 10870.0 10048.0 (84)
log(g) [cgs] 7.06 7.78 7.92 (0.06) 7.75 (0.01) 7.78 7.10 (0.01)
Mass [M] 0.231 0.56 (0.03) 0.239 (0.005)
log(Luminosity) [L]
Cooling age [Gyr] 0.2486
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] 7.18 (0.06) 7.07 (0.08) 7.18 7.18 (0.06)
Distance [pc] 139.19 (1) 141.50 (2) 75.00 139.19 139.19 (1)
Composition H H
Proper motion (right ascension) [mas/yr] -3.56689471 (0.08) -3.286678103 (0.2) -3.567 (0.08)
Proper motion (declination) [mas/yr] -24.07384727 (0.05) -23.63091459 (0.1) -24.074 (0.05)
Variability VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.20
V magnitude 16.20 16.10 16.20 16.10
R magnitude 16.40
I magnitude
J magnitude 16.47 (0.1)
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.60 (0.003) 16.62 16.60 16.60 (0.003)
BP magnitude 16.66 (0.003) 16.65
RP magnitude 16.54 (0.004) 16.54
Pan g magnitude 16.59 (0.006)
Pan r magnitude 16.68 (0.003)
Pan i magnitude 16.86 (0.002)
Pan z magnitude 17.04 (0.004)
Pan y magnitude 17.14 (0.007)
E(B-V) 0.041
Period #1 [s] 428.7 1384.9
Amplitude #1 [mma] 5 7.6
Period #2 [s] 431.8
Amplitude #2 [mma] 3.9
Period #3 [s] 908.6
Amplitude #3 [mma] 4.5
Period #4 [s] 972.9
Amplitude #4 [mma] 2.2
Period #5 [s] 976.0
Amplitude #5 [mma] 5.1
Period #6 [s] 976.6
Amplitude #6 [mma] 1.8
Period #7 [s] 1023.9
Amplitude #7 [mma] 1.8
Period #8 [s] 1031.2
Amplitude #8 [mma] 2.6
Period #9 [s] 1097.5
Amplitude #9 [mma] 2.2
Period #10 [s] 1136.5
Amplitude #10 [mma] 5.2
Period #11 [s] 1139.6
Amplitude #11 [mma] 4.3
Period #12 [s] 1167.1
Amplitude #12 [mma] 2.8
Period #13 [s] 1185.6
Amplitude #13 [mma] 2.8
Period #14 [s] 1192.6
Amplitude #14 [mma] 2.0
Period #15 [s] 1237.4
Amplitude #15 [mma] 2.7
Period #16 [s] 1238.0
Amplitude #16 [mma] 2.6
Period #17 [s] 1250.4
Amplitude #17 [mma] 5.4
Period #18 [s] 1287.0
Amplitude #18 [mma] 6.0
Period #19 [s] 1289.6
Amplitude #19 [mma] 1.5
Period #20 [s] 1323.3
Amplitude #20 [mma] 10.6
Period #21 [s] 1326.8
Amplitude #21 [mma] 2.6
Period #22 [s] 1349.2
Amplitude #22 [mma] 9.6
Period #23 [s] 1396.1
Amplitude #23 [mma] 1.8
Period #24 [s] 1403.7
Amplitude #24 [mma] 3.7
Period #25 [s] 1423.7
Amplitude #25 [mma] 2.7
Period #26 [s] 1508.8
Amplitude #26 [mma] 5.9
Period #27 [s] 1686.5
Amplitude #27 [mma] 2.3
Period #28 [s] 1806.8
Amplitude #28 [mma] 1.8
Period #29 [s] 2425.7
Amplitude #29 [mma] 1.7
Period #30 [s] 2439.0
Amplitude #30 [mma] 4.0
Period #31 [s] 2494.8
Amplitude #31 [mma] 4.7

* 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.