All names: GEN# +6.00224754, BPM 24754, uvby98 600224754, Gaia EDR3 5923100131319630976, WDJ171901.02-544616.96, TIC 367227831, UCAC4 177-193823, WD 1714-547, Gaia DR2 5923100131319630976, 2MASS J17190102-5446170, L 269-72, Gaia DR3 5923100131319630976, V* V876 Ara, DENIS J171901.0-544617, USNO-B1.0 0352-00723706, WD 1714-54
Parameter | Unit | Gaia EDR3 | Gaia DR2 | Stilism | Romero et al. 2012 | Gianninas et al. 2011 | Giovannini et al. 1998 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Research Corporation | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 17 19 01.17 (0.03) | 17 19 01.16 (0.05) | 17 19 01.17 | 17 19 01.02 (0.03) | 17 19 01.16 | 17 18 54.70 | ||||||
Declination | -54 46 19.22 (0.02) | -54 46 19.15 (0.05) | -54 46 19.22 | -54 46 16.96 (0.02) | -54 46 19.15 | -54 47 07.80 | ||||||
Spectral type | DA | DA | DA4.5 | DAV | DA7 | |||||||
Effective temperature | [K] | 10840.0 | 11140.0 (167) | 10840.0 | 10759.0 (47) | 11070.0 | ||||||
log(g) | [cgs] | 7.93 | 8.09 (0.05) | 7.93 | 7.93 (0.007) | 8.03 | ||||||
Mass | [M☉] | 0.66 (0.03) | 0.563 (0.005) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | |||||||||||
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] | 17.86 (0.04) | 17.84 (0.05) | 17.86 | 17.86 (0.04) | 17.84 (0.05) | ||||||
Distance | [pc] | 56.00 (0.1) | 56.04 (0.2) | 52.00 | 56.00 | 56.00 (0.1) | 56.04 (0.2) | |||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | 77.59559047 (0.04) | 77.56339016 (0.09) | 77.596 (0.04) | 77.56339016 | |||||||
Proper motion (declination) | [mas/yr] | -141.1149699 (0.03) | -141.2899786 (0.08) | -141.115 (0.03) | -141.2899786 | |||||||
Variability | VAR | VAR | VAR | VAR | ||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | ||||||||||||
B magnitude | ||||||||||||
V magnitude | 15.60 | 15.60 | 15.60 | |||||||||
R magnitude | 15.81 (0.1) | |||||||||||
I magnitude | 15.48 (0.05) | |||||||||||
J magnitude | 15.51 (0.06) | |||||||||||
H magnitude | 15.55 (0.1) | |||||||||||
K magnitude | 15.27 (0.2) | |||||||||||
u magnitude | ||||||||||||
g magnitude | ||||||||||||
r magnitude | ||||||||||||
i magnitude | ||||||||||||
z magnitude | ||||||||||||
G magnitude | 15.58 (0.002) | 15.61 | 15.58 | 15.58 (0.003) | 15.61 | |||||||
BP magnitude | 15.62 (0.002) | 15.62 | 15.62 | |||||||||
RP magnitude | 15.55 (0.002) | 15.56 | 15.56 | |||||||||
Pan g magnitude | ||||||||||||
Pan r magnitude | ||||||||||||
Pan i magnitude | ||||||||||||
Pan z magnitude | ||||||||||||
Pan y magnitude | ||||||||||||
E(B-V) | 0.006 | |||||||||||
Period #1 | [s] | 643.7 | 978.0 | |||||||||
Amplitude #1 | [mma] | 22.6 | ||||||||||
Period #2 | [s] | 1045.1 | ||||||||||
Amplitude #2 | [mma] | |||||||||||
Period #3 | [s] | 1234.1 | ||||||||||
Amplitude #3 | [mma] | |||||||||||
Period #4 | [s] | 1356.6 | ||||||||||
Amplitude #4 | [mma] |
* 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.