GJ 3001

All names: LHS 1008, GEN# +9.80267018, CNS5 8, WD 0000-345, LAWD 1, BPS CS 22876-0024, WISEA J000240.21-341347.6, Gaia DR3 2312821266302222720, LFT 1, APMPM J0003-3414, LEHPM 84, NLTT 8, Gaia EDR3 2312821266302222720, WD 0000-34, WDJ000240.09-341339.59, PM 00001-3430, PLX 5810.01, LTT 3, LP 936-69, Gaia DR2 2312821266302222720, TIC 70743424, 2MASS J00024008-3413386, HE 0000-3430, L 505-1, GSC 06992-00580, G 267-18, WG 1, EGGR 406, GJ 3001

Parameter Unit Gaia EDR3 O'Brien et al. 2024 Gaia DR2 Subasavage et al. 2017 Stilism Holberg et al. 2016 Sion et al. 2014 Giammichele et al. 2012 Holberg et al. 2008 Bergeron et al. 2001 Bergeron et al. 1997 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 02 40.29 (0.02) 00 02 40.29 (0.03) 00 02 40.10 00 02 40.08 00 02 40.29 00 02 40.09 (0.02) 00 02 40.29 00 02 39.48
Declination -34 13 51.79 (0.02) -34 13 51.41 (0.03) -34 13 03.05 -34 13 19.20 -34 13 51.79 -34 13 39.59 (0.02) -34 13 51.41 -34 13 17.40
Spectral type DC DC DAH DCP8.1 DAH DC DC DC DC DC
Effective temperature [K] 6332.0 (39) 6280.0 (100) 6644.0 (149) 6643.0 6643.0 (149) 6240.0 (140) 6270.0 (140) 5715.0 (35)
log(g) [cgs] 8.14 (0.02) 8.18 (0.03) 8.42 (0.2) 8.45 (0.2) 8.31 (0.2) 8.34 (0.2) 7.96 (0.007)
Mass [M☉] 0.662 (0.01) 0.68 (0.03) 0.86 (0.1) 0.88 (0.1) 0.77 (0.1) 0.79 (0.1) 0.549 (0.006)
log(Luminosity) [L☉] -3.76 (0.04) -3.82 -3.85 (0.1) -3.85 (0.1)
Cooling age [Gyr] 3.2300 (0.3) 3.8400 4.0700 4.1800 (0.9) 5.0700 (1)
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax [mas] 67.53 (0.03) 67.53 (0.03) 67.54 (0.04) 70.52 (1) 75.70 (9) 75.70 (9) 75.70 (9) 75.70 (9) 75.70 (9) 67.53 67.53 (0.03) 67.54 (0.04) 75.20 (7)
Distance [pc] 14.81 (0.006) 14.81 (0.007) 14.81 (0.009) 14.18 (0.3) 13.21 (2) 13.21 13.20 (2) 12.65 13.21 (2) 13.21 (2) 14.81 14.81 (0.006) 14.81 (0.009) 13.30 (1)
Composition He H H He He He
Proper motion (right ascension) [mas/yr] 152.2120207 (0.02) 152.1977303 (0.06) 152.212 (0.02) 152.1977303
Proper motion (declination) [mas/yr] -762.2205527 (0.02) -762.1781199 (0.06) -762.221 (0.02) -762.1781199
Variability
Magnetic yes yes
Bd [MG] 81 (38)
Infrared excess (disk)
Binarity
B magnitude 15.42 15.46 15.46 15.46 15.36
V magnitude 15.03 14.96 15.02 15.02 15.02 14.94
R magnitude 14.73 14.72 14.72 14.72
I magnitude 14.43 14.45 14.45 14.45
J magnitude 14.12 (0.02) 14.17 14.17 14.17 14.12 (0.02)
H magnitude 14.02 (0.04) 14.02 14.02 14.02 14.02 (0.04)
K magnitude 13.92 (0.06) 13.87 13.87 13.87 13.92 (0.06)
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 14.88 (0.002) 14.89 14.88 14.88 (0.003) 14.89
BP magnitude 15.11 (0.002) 15.12 15.12
RP magnitude 14.49 (0.002) 14.49 14.49
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.000

* 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.