Gaia DR2 1277232907719022464

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

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit





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.