V* V886 Cen

All names: WG 22, WISEA J123849.17-494800.9, GEN# +9.86327186, GSC 08240-02502, PM 12360-4932, uvby98 600104816, 2MASS J12384981-4948001, WD 1236-49, Gaia EDR3 6127333286605955072, L 327-186, BPM 37093, LTT 4816, LAWD 41, ** V 8CEN, LHS 2594, Gaia DR2 6127333286605955072, WDJ123849.78-494800.22, GJ 2095, PLX 2912.01, TIC 160522890, NLTT 31372, V* V886 Cen, GCRV 27461, LFT 931, WD 1236-495

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Bedard et al. 2017 Subasavage et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Gianninas et al. 2011 Koester et al. 2009 Holberg et al. 2008 Kanaan et al. 2005 Metcalfe et al. 2004 Bergeron et al. 2001 Kanaan et al. 2000 Kanaan et al. 1998 Kanaan et al. 1992 Simbad Gentile Fusillo et al. 2018 White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 12 38 48.86 (0.009) 12 38 48.89 (0.02) 12 38 49.78 12 38 49.92 12 38 49.78 (0.02) 12 38 48.89 12 38 52.58
Declination -49 48 01.40 (0.01) -49 48 01.37 (0.02) -49 48 00.02 -49 48 00.00 -49 48 00.22 (0.02) -49 48 01.37 -49 49 29.28
Spectral type DA DA DAV DA DA4.3 DA DA DA DA DA4.2 DAV DAV
Effective temperature [K] 11359.0 (114) 11620.0 (189) 10780.0 (270) 11309.0 (475) 11599.0 11599.0 (475) 11920.0 (194) 11372.0 (12) 11620.0 11620.0 11550.0 (470) 11620.0 11620.0 11620.0 11730.0
log(g) [cgs] 8.69 (0.01) 8.72 (0.05) 8.59 (0.03) 8.47 (0.2) 8.62 (0.2) 8.81 (0.05) 8.74 (0.004) 8.69 8.69 8.63 (0.2) 8.69 8.69 8.69 8.81
Mass [M] 1.037 (0.008) 1.13 (0.1) 0.98 (0.02) 0.9 (0.1) 1.0 (0.1) 1.11 (0.03) 1.0 (0.1)
log(Luminosity) [L] -3.08 (0.05) -2.97 -2.98 (0.1)
Cooling age [Gyr] 1.4300 (0.1) 0.9200 1.2100 1.2400 (0.4)
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] 67.41 (0.02) 67.41 (0.02) 67.52 (0.04) 65.57 (0.8) 61.00 (9) 61.00 (9) 61.00 (9) 61.00 (9) 67.52 (0.04) 67.52 (0.04) 60.40 (8)
Distance [pc] 14.84 (0.004) 14.83 (0.004) 14.81 (0.009) 15.30 (0.2) 15.25 (0.2) 16.39 (3) 16.39 16.40 (3) 15.00 13.71 16.39 (3) 14.81 (0.009) 14.81 (0.009) 16.56 (2)
Composition H H H H H H
Proper motion (right ascension) [mas/yr] -557.1105895 (0.01) -557.2328961 (0.06) -557.233 (0.07) -557.2328961
Proper motion (declination) [mas/yr] -74.03590212 (0.01) -74.08925585 (0.05) -74.089 (0.04) -74.08925585
Variability VAR VAR VAR VAR VAR VAR VAR VAR
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.97 13.98 13.98 14.14
V magnitude 13.81 13.77 13.80 13.96 14.00 14.00 13.80 14.00 14.00 14.00 13.96 13.96
R magnitude 13.81 13.82 13.82
I magnitude 13.78 13.83 13.83
J magnitude 13.81 (0.02) 13.92 13.92 13.81 (0.02)
H magnitude 13.81 (0.04) 13.90 13.90 13.81 (0.04)
K magnitude 13.91 (0.06) 13.98 13.98 13.91 (0.06)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 13.79 (0.0009) 13.81 13.81 (0.0003) 13.81
BP magnitude 13.82 (0.0009) 13.81 13.81
RP magnitude 13.77 (0.0006) 13.78 13.78
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000
Period #1 [s] 511.7 511.7 512.0 560.0 600.0
Amplitude #1 [mma] 0.7 4
Period #2 [s] 531.1 531.1 532.0 583.0
Amplitude #2 [mma] 1.2
Period #3 [s] 548.4 548.4 548.0 614.0
Amplitude #3 [mma] 0.8
Period #4 [s] 562.6 564.1 565.0
Amplitude #4 [mma] 0.9
Period #5 [s] 565.5 582.0 582.0
Amplitude #5 [mma] 0.5
Period #6 [s] 582.0 600.7 608.0
Amplitude #6 [mma] 1.0
Period #7 [s] 600.7 613.5 615.0
Amplitude #7 [mma] 0.9
Period #8 [s] 613.5 635.1 635.0
Amplitude #8 [mma] 1.1
Period #9 [s] 633.2 649.0
Amplitude #9 [mma] 1.1
Period #10 [s] 636.7
Amplitude #10 [mma] 0.7
Period #11 [s] 660.8
Amplitude #11 [mma] 0.5

* 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.