All names: Gaia DR3 1277232907719022464, 1521+320, Gaia DR2 1277232907719022464, USNO-B1.0 1218-00263838, Gaia EDR3 1277232907719022464, LSR J1523+3152, WDJ152340.71+315256.56, SDSS J152340.74+315254.4, LSPM J1523+3152, SDSS J152340.75+315254.5
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Leggett et al. 2018 | MWDD H | MWDD HE | Gaia DR2 | Stilism | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 |
---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 15 23 40.92 (0.1) | 15 23 40.92 | 15 23 40.92 | 15 23 40.71 (0.1) | 15 23 40.92 | ||||||
Declination | 31 52 46.48 (0.1) | 31 52 46.79 | 31 52 46.48 | 31 52 56.55 (0.1) | 31 52 46.79 | ||||||
Spectral type | D:10.7 | DC: | DC | ||||||||
Effective temperature | [K] | 4732.0 (82) | 4733.0 | 4426.0 | 4592.0 (76) | ||||||
log(g) | [cgs] | 8.32 (0.04) | 8.32 | 8.12 | 8.20 (0.04) | ||||||
Mass | [M☉] | 0.789 (0.04) | 0.789 | 0.64 | 0.705 (0.03) | ||||||
log(Luminosity) | [L☉] | ||||||||||
Cooling age | [Gyr] | 9.0460 (0.2) | 9.0390 | 7.4170 | |||||||
log(H/He) | |||||||||||
log(C/He) | |||||||||||
log(Ca/He) | |||||||||||
log(Ca/H) | |||||||||||
Parallax | [mas] | 19.93 (0.2) | 20.46 (0.5) | 20.36 (0.3) | 19.93 | 19.93 (0.2) | 20.36 (0.3) | ||||
Distance | [pc] | 50.17 (0.5) | 48.88 (1) | 49.11 (0.6) | 50.17 | 50.17 (0.5) | 49.11 (0.6) | ||||
Composition | |||||||||||
Proper motion (right ascension) | [mas/yr] | 169.5244972 (0.1) | 169.1047951 (0.3) | 169.524 (0.1) | 169.1047951 | ||||||
Proper motion (declination) | [mas/yr] | -629.7173157 (0.2) | -630.3552397 (0.4) | -629.717 (0.2) | -630.3552397 | ||||||
Variability | |||||||||||
Magnetic | |||||||||||
Bd | [MG] | ||||||||||
Infrared excess (disk) | |||||||||||
Binarity | |||||||||||
B magnitude | 20.60 | ||||||||||
V magnitude | |||||||||||
R magnitude | 18.60 | ||||||||||
I magnitude | |||||||||||
J magnitude | |||||||||||
H magnitude | |||||||||||
K magnitude | |||||||||||
u magnitude | 21.94 (0.1) | 22.17 (0.2) | |||||||||
g magnitude | 19.82 (0.01) | 19.88 (0.02) | |||||||||
r magnitude | 19.00 (0.01) | 19.00 (0.01) | |||||||||
i magnitude | 18.66 (0.01) | 18.65 (0.01) | |||||||||
z magnitude | 18.52 (0.03) | 18.51 (0.03) | |||||||||
G magnitude | 19.03 (0.03) | 19.06 | 19.03 | 19.03 (0.003) | 19.06 | ||||||
BP magnitude | 19.64 (0.03) | 19.62 | 19.62 | ||||||||
RP magnitude | 18.36 (0.02) | 18.35 | 18.35 | ||||||||
Pan g magnitude | 19.82 (0.04) | ||||||||||
Pan r magnitude | 18.98 (0.009) | ||||||||||
Pan i magnitude | 18.67 (0.009) | ||||||||||
Pan z magnitude | 18.58 (0.005) | ||||||||||
Pan y magnitude | 18.56 (0.02) | ||||||||||
E(B-V) | 0.006 |
* 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.