SDSS J152708.31+003308.3

All names: SDSS J152708.31+003308.4, Gaia EDR3 4417411247331485696, SDSS J152708.31+003308.2, SDSS J152708.31+003308.24, Gaia DR2 4417411247331485696, SDSS J152708.31+003308.3, Gaia DR3 4417411247331485696, GALEX J152708.3+003308, SDSSJ152708.31+003308.3

Parameter Unit Gaia EDR3 Pan-STARRS DR1 SDSS DR12 SDSS DR10 Geier 2020 MWDD HE Gaia DR2 Stilism Kepler et al. 2015 Harris et al. 2003 Simbad Eisenstein et al. 2006
Right ascension 15 27 08.31 (0.2) 15 27 08.31 15 27 08.31 15 27 08.31 15 27 08.31 (0.3) 15 27 08.31 (0.2) 15 27 08.31
Declination 00 33 08.19 (0.2) 00 33 08.36 00 33 08.36 00 33 08.30 00 33 08.20 (0.3) 00 33 08.34 (0.2) 00 33 08.36
Spectral type He-sdO He-sdB He-sdB sdB-He sdBHe SDB
Effective temperature [K] 42724.0 (1100) 29406.0 45818.0 (42) 40000.0 (32)
log(g) [cgs] 6.40 5.22 7.00 (0.05) 7.00 (0.005)
Mass [M] 0.051
log(Luminosity) [L]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.04 (0.2) -0.27 (0.3) -0.27 (0.3) 0.04 (0.2)
Distance [pc] 23518.65 (126393) 23529.41 (126505)
Composition
Proper motion (right ascension) [mas/yr] -4.826470887 (0.3) -4.821 (0.6) -4.820963918 (0.6) -4.826 (0.3) 0.2
Proper motion (declination) [mas/yr] -9.315800385 (0.3) -9.136 (0.6) -9.13558758 (0.6) -9.316 (0.3) -12.8
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude
V magnitude
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude 18.25 (0.01) 18.25 (0.01) 18.25 (0.01) 18.27 (0.02) 18.24 18.25 (0.01) 18.27 (0.02)
g magnitude 18.57 (0.007) 18.57 (0.007) 18.57 (0.007) 18.58 (0.01) 18.58 18.57 (0.007) 18.59 (0.01)
r magnitude 19.03 (0.01) 19.03 (0.01) 19.03 (0.01) 19.04 (0.02) 19.04 19.03 (0.01) 19.05 (0.01)
i magnitude 19.36 (0.02) 19.36 (0.02) 19.36 (0.02) 19.38 (0.02) 19.38 19.36 (0.02) 19.40 (0.02)
z magnitude 19.59 (0.06) 19.59 (0.06) 19.59 (0.06) 19.57 (0.06) 19.55 19.56 (0.06) 19.55 (0.06)
G magnitude 18.83 (0.01) 18.86 (0.004) 18.86 18.83 (0.004)
BP magnitude 18.71 (0.01) 18.65 (0.05) 18.65
RP magnitude 19.15 (0.07) 19.11 (0.06) 19.11
Pan g magnitude 18.66 (0.007) 18.66 (0.007)
Pan r magnitude 19.05 (0.008) 19.05 (0.008)
Pan i magnitude 19.39 (0.01) 19.39 (0.01)
Pan z magnitude 19.64 (0.02) 19.64 (0.02)
Pan y magnitude 19.77 (0.07) 19.77 (0.07)
E(B-V) 0.055

* Constant surface field

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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.