WD 1547+057

All names: WD 1547+057, TIC 272675206, 2MASS J15493479+0535169, Gaia DR3 4426435871273922560, J1549+0535, GALEX J154934.7+053518, SDSS J154934.77+053517.1, USNO-B1.0 0955-00254275, Gaia DR2 4426435871273922560, SDSS J154934.78+053517.1, WDJ154934.79+053517.10, PG 1547+057, SDSS J154934.75+053517.1, Gaia EDR3 4426435871273922560

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 Kilic et al. 2025 Kilic et al. 2020 MWDD H Gaia DR2 Stilism Koester et al. 2014 Gianninas et al. 2011 Koester et al. 2009 Liebert et al. 2005 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999) Kleinman et al. 2013 Vincent et al. 2023
Right ascension 15 49 34.74 (0.04) 15 49 34.78 15 49 34.74 (0.06) 15 49 34.74 15 49 34.79 (0.04) 15 49 34.74 15 49 34.22 15 49 34.78
Declination 05 35 17.09 (0.04) 05 35 17.12 05 35 17.09 (0.05) 05 35 17.09 05 35 17.10 (0.04) 05 35 17.09 05 35 13.56 05 35 17.13
Spectral type DA DA DA DA DA DA1.9 DA DA3 DA DA
Effective temperature [K] 23225.0 (358) 23228.0 (356) 22085.0 24566.0 (334) 25860.0 (387) 24355.0 (58) 24850.0 (373) 23188.0 (406) 25610.0 (143)
log(g) [cgs] 8.42 (0.01) 8.41 (0.01) 8.36 8.41 (0.09) 8.45 (0.05) 8.36 (0.007) 8.41 (0.05) 8.42 (0.01) 8.45 (0.02)
Mass [M] 0.886 (0.01) 0.882 (0.01) 0.849 0.876 (0.06) 0.91 (0.03) 0.88 (0.03) 0.884 (0.01) 0.891 (0.01)
log(Luminosity) [L] -1.49
Cooling age [Gyr] 0.1102 0.0933
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) <-8.20
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] 11.31 (0.06) 11.26 (0.08) 11.31 11.31 (0.06) 11.26 (0.08)
Distance [pc] 88.38 (0.5) 88.80 (0.6) 96.00 97.00 88.38 88.38 (0.5) 88.80 (0.6)
Composition H H H
Proper motion (right ascension) [mas/yr] -50.51619726 (0.05) -50.81226385 (0.1) -50.516 (0.05) -50.812
Proper motion (declination) [mas/yr] -1.115221613 (0.05) -0.917472234 (0.1) -1.115 (0.05) -0.917
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 15.57
V magnitude 15.94 (0.05) 15.92 15.92
R magnitude 16.00
I magnitude
J magnitude 16.48 (0.01)
H magnitude 16.60 (0.03)
K magnitude 16.61 (0.04)
u magnitude 15.59 (0.005) 15.59 (0.005) 15.59 (0.005) 15.62 (0.02)
g magnitude 15.70 (0.004) 15.70 (0.004) 15.70 (0.004) 15.74 (0.01)
r magnitude 16.11 (0.004) 16.11 (0.004) 16.11 (0.004) 16.12 (0.01)
i magnitude 16.44 (0.005) 16.44 (0.005) 16.44 (0.005) 16.43 (0.02)
z magnitude 16.75 (0.009) 16.75 (0.009) 16.75 (0.009) 16.75 (0.02)
G magnitude 15.92 (0.002) 15.94 15.92 15.92 (0.003) 15.94
BP magnitude 15.82 (0.002) 15.77 15.77
RP magnitude 16.13 (0.004) 16.13 16.13
Pan g magnitude 15.76 (0.003)
Pan r magnitude 16.12 (0.0004)
Pan i magnitude 16.46 (0.005)
Pan z magnitude 16.72 (0.006)
Pan y magnitude 16.91 (0.007)
E(B-V) 0.007

* 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.