All names: LP 466-033, SDSS J004525.80+142129.2, SDSS J004521.89+142045.3, WDS J00454+1422B, USNO-B1.0 1043-00007345, LSPM J0045+1420, WD 0042+140, SDSS J004521.88+142045.3, BD+13 99B, NLTT 2486, SDSS J004521.87+142045.3, WD 0042+140A, IDS 00402+1349 B, LP 466-33, CCDM J00453+1421B, PSO J004522.134+142044.669, Gaia DR2 2776467555366477824, WDJ004521.88+142045.36, ** LDS 1079B
Parameter | Unit | MWDD H | Pan-STARRS DR1 | Gaia DR2 | Tremblay et al. 2017 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|
Right ascension | 00 45 22.16 (0.2) | 00 45 21.90 | 00 45 22.16 | 00 45 25.01 | ||||
Declination | 14 20 44.53 (0.1) | 14 20 45.31 | 14 20 44.53 | 14 21 23.76 | ||||
Spectral type | DZA | DZA | DZA | DC: | ||||
Effective temperature | [K] | 5002.0 | 5070.0 (90) | |||||
log(g) | [cgs] | 7.88 | ||||||
Mass | [M☉] | 0.511 | ||||||
log(Luminosity) | [L☉] | |||||||
Cooling age | [Gyr] | 4.2670 | ||||||
log(H/He) | ||||||||
log(C/He) | ||||||||
log(Ca/He) | ||||||||
log(Ca/H) | ||||||||
Parallax | [mas] | 17.36 (0.3) | 17.41 (0.4) | 15.90 | 17.36 (0.3) | |||
Distance | [pc] | 57.60 (0.9) | 57.44 (1) | 62.89 | 57.60 (0.9) | |||
Composition | HE | |||||||
Proper motion (right ascension) | [mas/yr] | 265.578402 (0.5) | 273.0 | 265.578402 | ||||
Proper motion (declination) | [mas/yr] | -53.74333612 (0.2) | -64.0 | -53.74333612 | ||||
Variability | ||||||||
Magnetic | ||||||||
Bd | [MG] | |||||||
Infrared excess (disk) | ||||||||
Binarity | yes | |||||||
B magnitude | 20.20 | |||||||
V magnitude | 18.79 (0.05) | 18.90 | ||||||
R magnitude | 18.50 | |||||||
I magnitude | 17.90 | |||||||
J magnitude | 17.24 | |||||||
H magnitude | 16.99 | |||||||
K magnitude | 16.89 | |||||||
u magnitude | 20.70 | 20.77 (0.08) | ||||||
g magnitude | 19.19 | 19.17 (0.01) | ||||||
r magnitude | 18.50 | 18.47 (0.009) | ||||||
i magnitude | 18.21 | 18.25 (0.01) | ||||||
z magnitude | 18.08 | 18.08 (0.03) | ||||||
G magnitude | 18.54 | 18.41 (0.005) | 18.54 | |||||
BP magnitude | 18.99 | 18.99 | ||||||
RP magnitude | 17.88 | 17.88 | ||||||
Pan g magnitude | 19.10 (0.009) | |||||||
Pan r magnitude | 18.46 (0.02) | |||||||
Pan i magnitude | 18.23 (0.009) | |||||||
Pan z magnitude | 18.14 (0.002) | |||||||
Pan y magnitude | 18.14 (0.07) |
* Constant surface field
Spectra without link are available upon request
The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour at Université de Montréal. Please send database updates, corrections, suggestions or bug reports to dufourpa@astro.umontreal.ca.