V* ZZ Psc

All names: 2MASS J23284760+0514540, V* ZZ Psc, Gaia DR2 2660358032257156736, JP11 5933, PM J23287+0514, UBV 20113, USNO-B1.0 0952-00593489, WISEA J232847.35+051451.4, LSPM J2328+0514, 23287+0514, GJ 895.2, LTT 16907, G29-38, [RRW93] Pn24l-5, PG 2326+049, PB 5398, UBV M 42777, Gaia EDR3 2660358032257156736, EGGR 159, WD 2326+049, LHS 5405, TIC 422526868, NLTT 56992, Gaia DR3 2660358032257156736, G 29-38A, G 29-38, WDJ232847.64+051454.24, PLX 5685.01, WD2326+049, WD 2326+04, LAMOST J232847.62+051454.2, PM 23263+0458, CNS5 5786, USNO 99, GEN# +9.80029038, CSI+04-23263, SV* SVS 2123

Parameter Unit Gaia EDR3 Pan-STARRS DR1 O'Brien et al. 2024 Hardy et al. 2023a McCleery et al. 2020 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Stilism Holberg et al. 2016 Guo et al. 2015 Limoges et al. 2015 Sion et al. 2014 Xu et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Farihi et al. 2010 Koester et al. 2009 Castanheira & Kepler 2009 Holberg et al. 2008 Farihi et al. 2008 Kilic et al. 2006 Koester et al. 2005 Liebert et al. 2005 Zuckerman et al. 2003 Koester et al. 2001 Kleinman et al. 1998 Kleinman 1995 Patterson et al. 1991 Winget et al. 1990 Zuckerman & Becklin 1987 McGraw & Robinson 1975 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 23 28 47.21 (0.02) 23 28 47.22 (0.05) 23 28 47.22 (0.05) 23 28 47.62 23 28 47.52 23 28 47.70 23 28 47.21 23 28 47.64 (0.02) 23 28 47.22 23 28 48.94
Declination 05 14 49.97 (0.02) 05 14 50.10 (0.04) 05 14 50.10 (0.04) 05 14 05.02 05 14 52.80 05 14 54.00 05 14 49.97 05 14 54.24 (0.02) 05 14 50.10 05 15 02.16
Spectral type DAZ DA DAZ DA DAZV DAV DA;debris_disk DA DAV4.3 DAZ DAZ DA DAZ DAZ DAZ DAZ DAZ DA DA DA4.1 DAV DA4
Effective temperature [K] 11529.0 (206) 13566.2 (2923) 11295.9 (198) 11315.0 (180) 11240.0 (360) 11956.0 (187) 12020.0 (183) 12206.0 11820.0 (100) 12206.0 (187) 12200.0 (187) 11500.0 11485.0 (8) 11910.0 11600.0 11600.0 12100.0 11820.0 (175) 11600.0 11515.0 (22) 11910.0 11910.0 11910.0 11910.0 11910.0 11117.0 (81) 11820.0
log(g) [cgs] 8.04 (0.03) 8.30 (0.6) 8.02 (0.03) 8.02 (0.06) 8.00 (0.03) 8.01 (0.05) 8.13 (0.05) 8.40 (0.1) 8.04 (0.05) 8.22 (0.05) 8.07 (0.002) 8.17 8.10 7.90 8.15 (0.05) 8.05 7.97 (0.01) 8.17 8.17 8.17 8.17 8.17 8.00 (0.008) 8.14
Mass [M☉] 0.629 (0.02) 0.797684418314832 (0.7) 0.62 (0.08) 0.6 (0.03) 0.61 (0.03) 0.69 (0.03) 0.85 0.63 (0.03) 0.74 (0.03) 0.7 (0.03) 0.59 0.602 (0.006)
log(Luminosity) [L☉] -2.62 (0.06) -2.58 -2.50 -2.62
Cooling age [Gyr] 0.4400 (0.04) 0.3800 0.3800 0.5495
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H) -6.58 (0.1) -6.93 -6.9 -6.8 -6.926
log(C/H) -6.9 (0.1)
log(N/H) <-5.7
log(O/H) -5.0 (0.1)
log(Na/H) <-6.7
log(Mg/H) -5.77 (0.1) -5.83
log(Al/H) <-6.1
log(Si/H) -5.6 (0.2)
log(P/H)
log(S/H) <-7.0
log(Sc/H)
log(Ti/H) -7.9 (0.2)
log(Cr/H) -7.51 (0.1)
log(Mn/H) <-7.2
log(Fe/H) -5.9 (0.1)
log(Ni/H) <-7.3
Parallax [mas] 57.06 (0.03) 57.06 (0.03) 57.02 (0.06) 57.02 (0.06) 56.99 (0.4) 73.40 (4) 73.40 (4) 73.40 (4) 73.40 (4) 73.40 (4) 57.06 57.06 (0.03) 57.02 (0.06) 71.00 (4)
Distance [pc] 17.52 (0.008) 17.53 (0.009) 17.54 (0.02) 17.54 (0.02) 17.50 (0.1) 17.55 (0.1) 13.62 (0.7) 13.60 (0.8) 13.62 13.60 13.60 (0.8) 17.00 13.62 17.00 17.52 17.52 (0.008) 17.54 (0.02) 14.08 (0.8)
Composition H H H H H H H H H H H
Proper motion (right ascension) [mas/yr] -398.2458354 (0.03) -398.1972303 (0.1) -398.246 (0.03) -398.1972303
Proper motion (declination) [mas/yr] -266.7438097 (0.02) -266.7378997 (0.08) -266.744 (0.02) -266.7378997
Variability VAR VAR VAR VAR VAR VAR VAR VAR
Magnetic yes
Bd [MG] 0.0031
Infrared excess (disk) yes yes yes yes
Binarity
B magnitude 13.17 13.17
V magnitude 13.04 13.05 13.05 13.10 13.00 13.04 13.03 13.10 13.00 13.00 13.00 13.00 13.00 13.03
R magnitude 13.00
I magnitude 13.01
J magnitude 13.13 (0.03) 13.08 13.13 (0.03)
H magnitude 13.05 (0.03) 13.20 13.07 (0.02)
K magnitude 12.55 (0.03) 12.72 12.69 (0.03)
u magnitude 13.45 (0.003)
g magnitude 13.05 (0.007)
r magnitude 13.12 (0.002)
i magnitude 13.74 (0.003)
z magnitude 13.58 (0.003)
G magnitude 13.06 (0.007) 13.09 13.09 13.06 13.06 (0.004) 13.09
BP magnitude 13.08 (0.007) 13.08 13.08
RP magnitude 13.05 (0.004) 13.06 13.06
Pan g magnitude 13.53 (0.05)
Pan r magnitude 13.16 (0.001)
Pan i magnitude 13.38 (0.008)
Pan z magnitude 13.53 (0.01)
Pan y magnitude 13.68 (0.007)
E(B-V) 0.000
Period #1 [s] 218.7 110.0 284.0 186.1 283.8 612.9
Amplitude #1 [mma] 1.5 25
Period #2 [s] 283.9 177.0 400.4 242.9 615.2 677.0
Amplitude #2 [mma] 4.8 31.5
Period #3 [s] 363.5 237.0 500.0 267.9 824.7
Amplitude #3 [mma] 4.7 32.6
Period #4 [s] 400.5 284.0 615.0 614.9 930.9
Amplitude #4 [mma] 9.1 119.5
Period #5 [s] 496.2 355.0 1015.5
Amplitude #5 [mma] 7.9
Period #6 [s] 614.4 400.0
Amplitude #6 [mma] 32.8
Period #7 [s] 655.1 500.0
Amplitude #7 [mma] 6.1
Period #8 [s] 770.8 552.0
Amplitude #8 [mma] 5.1
Period #9 [s] 809.4 610.0
Amplitude #9 [mma] 30.1
Period #10 [s] 859.6 649.0
Amplitude #10 [mma] 24.6
Period #11 [s] 894.0 678.0
Amplitude #11 [mma] 14.0
Period #12 [s] 1150.5 730.0
Amplitude #12 [mma] 3.6
Period #13 [s] 1185.6 771.0
Amplitude #13 [mma] 3.4
Period #14 [s] 1239.9 809.0
Amplitude #14 [mma] 1.9
Period #15 [s] 860.0
Amplitude #15 [mma]
Period #16 [s] 894.0
Amplitude #16 [mma]
Period #17 [s] 915.0
Amplitude #17 [mma]
Period #18 [s] 1147.0
Amplitude #18 [mma]
Period #19 [s] 1240.0
Amplitude #19 [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.