V* IU Vir

All names: EC 14012-1446, V* IU Vir, Gaia DR3 6301064404482150912, Gaia DR2 6301064404482150912, WDJ140357.17-150110.58, UCAC4 375-067647, WD 1401-147, WD 1401-145, 2MASS J14035719-1501104, EPIC 212395381, WD1401-147, Gaia EDR3 6301064404482150912, TIC 189691677, GALEX J140357.1-150111, USNO-B1.0 0749-00280895

Parameter Unit Gaia EDR3 Pan-STARRS DR1 MWDD H Gaia DR2 Stilism Chen & Li 2014 Provencal et al. 2012 Gianninas et al. 2011 Koester et al. 2009 Castanheira & Kepler 2009 Handler et al. 2008 Koester et al. 2001 Stobie et al. 1995 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 03 56.99 (0.04) 14 03 56.99 (0.05) 14 03 57.20 14 03 56.99 14 03 57.17 (0.04) 14 03 56.99 14 03 56.83
Declination -15 01 12.67 (0.03) -15 01 12.61 (0.04) -15 01 10.00 -15 01 12.67 -15 01 10.58 (0.03) -15 01 12.61 -15 01 04.44
Spectral type DA DA DA DA DA4.1 DAV DAV
Effective temperature [K] 11065.0 12020.0 12020.0 12300.0 (190) 11768.0 (23) 12020.0 12020.0 11458.0 (26) 12020.0 11691.0 (164) 11900.0
log(g) [cgs] 7.99 8.18 8.18 8.23 (0.05) 8.08 (0.008) 8.18 8.18 8.00 (0) 8.18 8.06 (0.01) 8.16
Mass [M☉] 0.596 0.75 (0.03) 0.61 0.642 (0.01)
log(Luminosity) [L☉]
Cooling age [Gyr] 0.4543
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] 16.82 (0.05) 16.67 (0.05) 16.82 16.82 (0.05) 16.67 (0.05)
Distance [pc] 59.45 (0.2) 59.99 (0.2) 55.00 59.45 59.45 (0.2) 59.99 (0.2)
Composition H H
Proper motion (right ascension) [mas/yr] -166.0543504 (0.05) -165.9945309 (0.1) -166.054 (0.05) -165.9945309
Proper motion (declination) [mas/yr] -130.8088473 (0.04) -130.8639629 (0.09) -130.809 (0.04) -130.8639629
Variability VAR VAR VAR VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.86 (0.1)
V magnitude 15.70 15.70 15.67 15.70 15.70 15.67 15.70 15.67 (0.05) 15.67
R magnitude 15.89 (0.3)
I magnitude
J magnitude 15.76 (0.07)
H magnitude 16.00 (0.2)
K magnitude
u magnitude
g magnitude 15.71 (0.03)
r magnitude 15.77 (0.2)
i magnitude
z magnitude
G magnitude 15.72 (0.01) 15.75 15.72 15.72 (0.004) 15.75
BP magnitude 15.73 (0.01) 15.72 15.72
RP magnitude 15.70 (0.009) 15.72 15.72
Pan g magnitude 15.68 (0.02)
Pan r magnitude 15.85 (0.01)
Pan i magnitude 16.06 (0.01)
Pan z magnitude 16.23 (0.006)
Pan y magnitude 16.34 (0.006)
E(B-V) 0.002
Period #1 [s] 350.1 350.1 398.9 399.2 399.0
Amplitude #1 [mma] 2 12.1 7.4 13
Period #2 [s] 398.7 398.7 530.1 529.8 530.0
Amplitude #2 [mma] 2.1 16.7 13.4 15.0
Period #3 [s] 399.2 399.2 610.4 608.6 610.0
Amplitude #3 [mma] 12.7 54.3 7.6 57.0
Period #4 [s] 433.9 433.9 678.6 612.1 724.0
Amplitude #4 [mma] 4.7 7.6 36.4 21
Period #5 [s] 528.8 528.8 722.9 615.8 937.0
Amplitude #5 [mma] 3.8 22.9 11.4 11.0
Period #6 [s] 529.8 529.8 769.1 673.8
Amplitude #6 [mma] 20.7 51.7 2.8
Period #7 [s] 530.9 530.9 882.7 678.9
Amplitude #7 [mma] 1.5 2.9 6.1
Period #8 [s] 537.6 537.6 937.2 683.0
Amplitude #8 [mma] 6.4 11.0 3.5
Period #9 [s] 563.4 563.4 1217.4 715.2
Amplitude #9 [mma] 7.2 7.5 11.8
Period #10 [s] 608.5 612.0 716.9
Amplitude #10 [mma] 25.7 7.9
Period #11 [s] 612.1 615.8 722.1
Amplitude #11 [mma] 3.1 44.1
Period #12 [s] 615.9 645.9 723.6
Amplitude #12 [mma] 7.9 10.4
Period #13 [s] 645.9 657.2 727.0
Amplitude #13 [mma] 2.2 5.1
Period #14 [s] 657.2 705.0 728.9
Amplitude #14 [mma] 1.2 9.9
Period #15 [s] 673.8 805.5 769.8
Amplitude #15 [mma] 1.2 43.2
Period #16 [s] 678.5 865.1 771.8
Amplitude #16 [mma] 1.9 9.4
Period #17 [s] 683.0 905.6 775.6
Amplitude #17 [mma] 2.2 5.8
Period #18 [s] 705.0 979.3 882.7
Amplitude #18 [mma] 1.7 3.1
Period #19 [s] 714.8 1069.1 1217.6
Amplitude #19 [mma] 2.7 7.7
Period #20 [s] 716.9
Amplitude #20 [mma]
Period #21 [s] 721.9
Amplitude #21 [mma]
Period #22 [s] 723.6
Amplitude #22 [mma]
Period #23 [s] 727.1
Amplitude #23 [mma]
Period #24 [s] 729.2
Amplitude #24 [mma]
Period #25 [s] 769.3
Amplitude #25 [mma]
Period #26 [s] 771.8
Amplitude #26 [mma]
Period #27 [s] 775.6
Amplitude #27 [mma]
Period #28 [s] 805.5
Amplitude #28 [mma]
Period #29 [s] 865.1
Amplitude #29 [mma]
Period #30 [s] 882.7
Amplitude #30 [mma]
Period #31 [s] 905.6
Amplitude #31 [mma]
Period #32 [s] 979.3
Amplitude #32 [mma]
Period #33 [s] 1069.1
Amplitude #33 [mma]

* 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.