All names: Gaia DR2 6616313457820826496, RE J215453-302912, 2RE J2154-302, 1RXS J215453.3-302935, EUVE J2154-30.5, 2MASS J21545341-3029186, EC 21519-3043, RX J2154.8-3029, 2EUVE J2154-30.5, BPS CS 29493-0071, USNO-B1.0 0595-00925568, GSC 07488-00879, MCT 2151-3043, RE J2154-302, EUVE J2154-30.4, 2RXP J215457.2-302904, 2RE J215452-302909, WD 2151-307, RE J2154-30, 1SWASP J215453.40-302918.4
Parameter | Unit | Simbad |
---|---|---|
Right ascension | 21 54 53.40 (0.04) | |
Declination | -30 29 18.67 (0.04) | |
Spectral type | DA1.7 | |
Effective temperature | [K] | |
log(g) | [cgs] | |
Mass | [M☉] | |
log(Luminosity) | [L☉] | |
Cooling age | [Gyr] | |
log(H/He) | ||
log(C/He) | ||
log(Ca/He) | ||
log(Ca/H) | ||
Parallax | [mas] | 14.39 (0.06) |
Distance | [pc] | 69.51 (0.3) |
Composition | ||
Proper motion (right ascension) | [mas/yr] | 26.409 (0.08) |
Proper motion (declination) | [mas/yr] | -13.37 (0.07) |
Variability | ||
Magnetic | ||
Bd | [MG] | |
Infrared excess (disk) | ||
Binarity | ||
B magnitude | 14.80 | |
V magnitude | 15.05 | |
R magnitude | 14.90 | |
I magnitude | ||
J magnitude | 15.38 (0.05) | |
H magnitude | 15.44 (0.1) | |
K magnitude | 15.33 (0.2) | |
u magnitude | ||
g magnitude | ||
r magnitude | ||
i magnitude | ||
z magnitude | ||
G magnitude | 14.72 (0.0007) | |
BP magnitude | ||
RP magnitude | ||
Pan g magnitude | ||
Pan r magnitude | ||
Pan i magnitude | ||
Pan z magnitude | ||
Pan y magnitude |
* 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 (LANL). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.