PG 1444-096

All names: Gaia DR3 6326608189900099840, Gaia EDR3 6326608189900099840, EC 14449-0937, WD1444-096, WDJ144736.99-095006.67, 1444-096, Gaia DR2 6326608189900099840, 2MASS J14473699-0950065, TIC 26167085, WD 1444-096, UCAC4 401-058354, GALEX J144736.9-095007, PG 1444-096

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Leggett et al. 2018 Gaia DR2 Stilism Bergeron et al. 2011 Voss et al. 2007 Koester et al. 2001 Wegner et al. 1987 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 14 47 37.04 (0.03) 14 47 37.04 (0.05) 14 47 37.00 14 47 37.04 14 47 36.99 (0.03) 14 47 37.04 14 47 36.38
Declination -09 50 09.31 (0.03) -09 50 09.23 (0.05) -09 50 06.00 -09 50 09.31 -09 50 06.67 (0.03) -09 50 09.23 -09 49 59.88
Spectral type DB3.3 DBA DB DB DB3 DB3
Effective temperature [K] 15234.0 (797) 17040.0 (412) 16724.0 17417.0 (100) 14000.0 16010.0 (221)
log(g) [cgs] 7.96 (0.06) 8.26 (0.1) 8.04 8.39 (0.04) 7.98 (0.02)
Mass [M] 0.57 (0.05) 0.75 (0.07) 0.617 0.579 (0.01)
log(Luminosity) [L] -2.06
Cooling age [Gyr] 0.1780 (0.04) 0.2089 1.7100
log(H/He) -5.82 (1) -5.54 <-5
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] 16.93 (0.03) 17.58 (0.6) 16.98 (0.06) 16.93 16.93 (0.03) 16.98 (0.06)
Distance [pc] 59.08 (0.1) 56.88 (2) 58.89 (0.2) 52.00 59.08 59.08 (0.1) 58.89 (0.2)
Composition He
Proper motion (right ascension) [mas/yr] 44.9574732 (0.04) 45.09509415 (0.1) 44.957 (0.04) 45.09509415
Proper motion (declination) [mas/yr] -164.9950398 (0.04) -164.8886863 (0.1) -164.995 (0.04) -164.8886863
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.94 (0.02)
V magnitude 14.98 14.98 14.98 14.92 (0.01)
R magnitude 15.55 (0.08)
I magnitude
J magnitude 15.23 (0.05)
H magnitude 15.38 (0.1)
K magnitude 15.50 (0.2)
u magnitude
g magnitude 14.88 (0.01)
r magnitude 15.19 (0.01)
i magnitude 15.24 (0.01)
z magnitude
G magnitude 14.93 (0.003) 14.95 14.93 14.93 (0.003) 14.95
BP magnitude 14.86 (0.003) 14.84 14.84
RP magnitude 15.04 (0.002) 15.04 15.04
Pan g magnitude 14.85 (0.003)
Pan r magnitude 15.11 (0.002)
Pan i magnitude 15.38 (0.003)
Pan z magnitude 15.58 (0.005)
Pan y magnitude 15.75 (0.005)
E(B-V) 0.002

* 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.