All names: USNO-B1.0 0770-00389530, NLTT 42418, GALEX J161727.9-125746, Gaia DR2 4330093466990008448, LP 744-38, LTT 6494, WDJ161728.01-125745.14, TIC 52761670, WD 1614-128, L 842-32, Gaia DR3 4330093466990008448, Gaia EDR3 4330093466990008448, EGGR 195, G 153-40, GEN# +9.80153040, WD 1614-12, 2MASS J16172802-1257449
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Koester et al. 2009 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 16 17 27.89 (0.04) | 16 17 27.89 (0.06) | 16 17 27.89 | 16 17 28.01 (0.04) | 16 17 27.89 | 16 17 29.52 | ||||||
Declination | -12 57 49.16 (0.02) | -12 57 49.03 (0.03) | -12 57 49.16 | -12 57 45.14 (0.02) | -12 57 49.03 | -12 57 19.08 | ||||||
Spectral type | DA | DA | DA | DA3.0 | DA4 | |||||||
Effective temperature | [K] | 15543.0 | 16570.0 (257) | 16293.0 (25) | 15638.0 (171) | |||||||
log(g) | [cgs] | 7.84 | 7.97 (0.05) | 7.75 (0.005) | 7.84 (0.01) | |||||||
Mass | [M☉] | 0.527 | 0.6 (0.03) | 0.528 (0.007) | ||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.1349 | ||||||||||
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] | 15.50 (0.04) | 15.48 (0.07) | 15.50 | 15.51 (0.04) | 15.48 (0.07) | ||||||
Distance | [pc] | 64.50 (0.2) | 64.59 (0.3) | 104.00 | 64.50 | 64.50 (0.2) | 64.59 (0.3) | |||||
Composition | H | H | ||||||||||
Proper motion (right ascension) | [mas/yr] | -111.4772799 (0.05) | -111.8573773 (0.2) | -111.477 (0.05) | -111.8573773 | |||||||
Proper motion (declination) | [mas/yr] | -250.971753 (0.03) | -251.1482937 (0.1) | -250.972 (0.03) | -251.1482937 | |||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | 15.10 | |||||||||||
V magnitude | 15.00 | 15.00 | ||||||||||
R magnitude | 15.30 | |||||||||||
I magnitude | ||||||||||||
J magnitude | 15.37 (0.05) | |||||||||||
H magnitude | 15.54 (0.1) | |||||||||||
K magnitude | ||||||||||||
u magnitude | ||||||||||||
g magnitude | ||||||||||||
r magnitude | ||||||||||||
i magnitude | ||||||||||||
z magnitude | ||||||||||||
G magnitude | 15.05 (0.002) | 15.07 | 15.05 | 15.05 (0.003) | 15.07 | |||||||
BP magnitude | 15.00 (0.002) | 14.98 | 14.98 | |||||||||
RP magnitude | 15.18 (0.002) | 15.18 | 15.18 | |||||||||
Pan g magnitude | 14.93 (0.003) | |||||||||||
Pan r magnitude | 15.22 (0.001) | |||||||||||
Pan i magnitude | 15.52 (0.002) | |||||||||||
Pan z magnitude | 15.74 (0.002) | |||||||||||
Pan y magnitude | 15.91 (0.006) | |||||||||||
E(B-V) | 0.002 |
* Constant surface field
Spectra without link are available upon request
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.