V* ZZ Cet

All names: UBV 1659, WD 0133-11, GEN# +9.80271106, WD0133-116, Ross 548, PHL 1062, USNO 298, EGGR 10, TIC 29854433, Gaia DR2 2457759374023232768, USNO-B1.0 0786-00015517, WISEA J013613.95-112033.8, NLTT 5358, Gaia DR3 2457759374023232768, BPS CS 22180-0018, 2MASS J01361358-1120327, PLX 268.00, G 272-52, PLX 332.01, LAWD 9, Gaia EDR3 2457759374023232768, CSI-11-01337, PLX 268, WDJ013613.62-112032.63, Ci 20 111, GALEX J013613.7-112033, G 271-106, V* ZZ Cet, WD 0133-116, LTT 873, R 548

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Gaia DR2 Bedard et al. 2017 Stilism Giammichele et al. 2015 Mukadam et al. 2013 Gianninas et al. 2011 Koester et al. 2009 Castanheira & Kepler 2009 Mukadam et al. 2003 Koester et al. 2001 Kepler et al. 1995 Stover et al. 1980 Stover et al. 1977 Lasker & Hesser 1971 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 01 36 14.12 (0.02) 01 36 14.10 (0.05) 01 36 13.40 01 36 14.12 01 36 13.62 (0.02) 01 36 14.10 01 36 10.30
Declination -11 20 34.49 (0.01) -11 20 34.44 (0.03) -11 20 31.00 -11 20 34.49 -11 20 32.63 (0.01) -11 20 34.44 -11 20 42.36
Spectral type DA DA DA DA DA DA4.0 DAV DAV4
Effective temperature [K] 11834.0 (131) 12267.0 (186) 12300.0 12300.0 12480.0 (190) 12249.0 (15) 12300.0 12300.0 11768.0 (28) 12300.0 12300.0 12300.0 12300.0 11872.0 (53) 11990.0
log(g) [cgs] 7.94 (0.02) 8.01 (0.05) 8.03 8.03 8.05 (0.05) 7.86 (0.005) 8.03 8.03 7.84 (0.01) 8.03 8.03 8.03 8.03 7.94 (0.004) 7.97
Mass [M] 0.569 (0.009) 0.64 (0.03) 0.52 0.572 (0.003)
log(Luminosity) [L]
Cooling age [Gyr]
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] 30.54 (0.03) 30.54 (0.03) 30.52 (0.05) 30.54 30.54 (0.03) 30.52 (0.05) 14.00 (2)
Distance [pc] 32.75 (0.03) 32.74 (0.03) 32.76 (0.06) 63.30 (8) 31.00 32.75 32.75 (0.03) 32.76 (0.06) 71.43 (10)
Composition H
Proper motion (right ascension) [mas/yr] 461.022816 (0.03) 460.8449888 (0.1) 461.023 (0.03) 460.8449888
Proper motion (declination) [mas/yr] -116.3759925 (0.02) -116.4482517 (0.07) -116.376 (0.02) -116.4482517
Variability VAR VAR VAR VAR VAR VAR VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.33
V magnitude 14.20 14.20 14.10 14.20 14.20 14.10 14.20 14.20 14.20 14.20 14.16 14.16
R magnitude 14.40
I magnitude
J magnitude 14.38 (0.03)
H magnitude 14.31 (0.05)
K magnitude 14.43 (0.09)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.21 (0.001) 14.23 14.21 14.21 (0.003) 14.23
BP magnitude 14.22 (0.001) 14.22 14.22
RP magnitude 14.22 (0.001) 14.24 14.24
Pan g magnitude 14.16 (0.007)
Pan r magnitude 14.32 (0.005)
Pan i magnitude 14.54 (0.003)
Pan z magnitude 14.74 (0.005)
Pan y magnitude 14.88 (0.008)
E(B-V) 0.000
Period #1 [s] 186.9 186.5 187.3 187.3 187.0 212.8 212.8 212.9
Amplitude #1 [mma] 0.9 0.3 0.9 0.9 1 4.8 5.1
Period #2 [s] 212.8 186.7 213.0 212.8 212.8 213.1 213.1 273.0
Amplitude #2 [mma] 4.1 0.4 5.4 4.1 2.1 8.4 8.6
Period #3 [s] 212.9 186.9 274.5 213.1 213.1 274.3 274.3
Amplitude #3 [mma] 1.4 0.5 3.5 6.2 3.3 5.3 5.8
Period #4 [s] 213.1 212.8 318.1 274.3 274.3 274.8 274.8
Amplitude #4 [mma] 6.6 4.4 1.1 2.2 3.7 3.7
Period #5 [s] 217.8 213.0 333.6 274.8 274.8
Amplitude #5 [mma] 0.3 1.0 1.3 1.3
Period #6 [s] 274.3 213.1 318.1 320.0
Amplitude #6 [mma] 4.3 6.6 0.9 1.0
Period #7 [s] 274.5 274.3 333.6 333.0
Amplitude #7 [mma] 1.2 4.2 0.6 1.0
Period #8 [s] 274.8 274.5
Amplitude #8 [mma] 3.1 0.7
Period #9 [s] 318.1 274.8
Amplitude #9 [mma] 0.7 3.2
Period #10 [s] 318.8 317.0
Amplitude #10 [mma] 0.3 0.4
Period #11 [s] 333.6 318.1
Amplitude #11 [mma] 0.6 0.4
Period #12 [s] 319.2
Amplitude #12 [mma] 0.4
Period #13 [s] 333.6
Amplitude #13 [mma] 0.6
Period #14 [s] 334.5
Amplitude #14 [mma] 0.3
Period #15 [s] 335.3
Amplitude #15 [mma] 0.3
Period #16 [s] 336.2
Amplitude #16 [mma] 0.3

* 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.