All names: PB 7026, WD 2154-061, GALEX J215729.9-055155, Gaia EDR3 2668622270889053568, TIC 241160001, USNO-B1.0 0841-00644390, 2MASS J21572993-0551556, BPS CS 22965-0008, Gaia DR3 2668622270889053568, Gaia DR2 2668622270889053568
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 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 57 29.93 (0.07) | 21 57 29.93 (0.1) | 21 57 29.93 | 21 57 29.92 (0.07) | 21 57 29.38 | ||||||
Declination | -05 51 56.30 (0.05) | -05 51 56.27 (0.08) | -05 51 56.30 | -05 51 55.42 (0.05) | -05 51 52.56 | ||||||
Spectral type | DA | DA | DA | DA1.4 | DA | ||||||
Effective temperature | [K] | 29376.0 | 36930.0 (556) | 36259.0 (85) | 36735.0 (1568) | ||||||
log(g) | [cgs] | 7.62 | 7.83 (0.05) | 7.74 (0.01) | 7.89 (0.03) | ||||||
Mass | [M☉] | 0.468 | 0.58 (0.02) | 0.605 (0.02) | |||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 0.0100 | |||||||||
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] | 5.47 (0.08) | 5.47 (0.2) | 5.47 | 5.47 (0.08) | ||||||
Distance | [pc] | 182.79 (3) | 182.97 (5) | 139.00 | 182.79 | 182.79 (3) | |||||
Composition | H | H | |||||||||
Proper motion (right ascension) | [mas/yr] | 6.992143688 (0.08) | 6.982189187 (0.1) | 6.992 (0.08) | |||||||
Proper motion (declination) | [mas/yr] | -55.21008085 (0.06) | -55.28356466 (0.1) | -55.21 (0.06) | |||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 15.10 | 15.00 | |||||||||
V magnitude | 15.70 | ||||||||||
R magnitude | 16.00 | ||||||||||
I magnitude | |||||||||||
J magnitude | 16.46 (0.1) | ||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | |||||||||||
g magnitude | |||||||||||
r magnitude | |||||||||||
i magnitude | |||||||||||
z magnitude | |||||||||||
G magnitude | 15.70 (0.003) | 15.71 | 15.70 | 15.70 (0.003) | |||||||
BP magnitude | 15.55 (0.003) | 15.50 | |||||||||
RP magnitude | 15.99 (0.006) | 15.99 | |||||||||
Pan g magnitude | 15.53 (0.003) | ||||||||||
Pan r magnitude | 15.96 (0.002) | ||||||||||
Pan i magnitude | 16.33 (0.002) | ||||||||||
Pan z magnitude | 16.62 (0.005) | ||||||||||
Pan y magnitude | 16.81 (0.006) | ||||||||||
E(B-V) | 0.027 |
* 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.