Gaia DR2 2256410856215182464

All names: LSPM J1835+6421, TIC 383647463, Gaia EDR3 2256410856215182464, GALEX J183517.8+642116, SDSS J183518.10+642118.4, 2MASS J18351820+6421180, WDJ183518.23+642117.68, J1835+6421, Gaia DR2 2256410856215182464, USNO-B1.0 1543-00212587, SDSS J183518.11+642118.5, Gaia DR3 2256410856215182464

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 Caron et al. 2023 McCleery et al. 2020 Tremblay et al. 2020 MWDD H MWDD HE Gaia DR2 Stilism Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018
Right ascension 18 35 17.90 (0.06) 18 35 17.91 (0.07) 18 35 17.91 18 35 17.90 18 35 18.23 (0.06) 18 35 17.91
Declination 64 21 19.51 (0.06) 64 21 19.45 (0.07) 64 21 19.45 64 21 19.51 64 21 17.69 (0.06) 64 21 19.45
Spectral type DC DC DC DC DC DC: DC
Effective temperature [K] 4833.0 (19) 4908.0 (62) 4841.0 (18) 4857.5 (31) 4860.0 (30) 4869.0 4551.0 4948.0 (30)
log(g) [cgs] 7.97 (0.009) 8.01 (0.05) 7.97 (0.01) 7.99 (0.03) 7.99 (0.04) 7.99 7.77 8.04 (0.01)
Mass [M] 0.559 (0.007) 0.583 (0.03) 0.562 (0.008) 0.575 0.438 0.603 (0.01)
log(Luminosity) [L]
Cooling age [Gyr] 6.3800 6.2060 4.5910
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)
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] 33.09 (0.06) 33.09 (0.06) 33.12 (0.07) 33.12 (0.07) 33.12 (0.07) 33.09 33.09 (0.06) 33.12 (0.07)
Distance [pc] 30.22 (0.05) 30.22 (0.05) 30.19 (0.06) 30.19 (0.06) 30.19 (0.06) 30.22 30.22 (0.05) 30.19 (0.06)
Composition H H
Proper motion (right ascension) [mas/yr] -134.0321892 (0.09) -134.2720692 (0.2) -134.032 (0.09) -134.2720692
Proper motion (declination) [mas/yr] 113.8913497 (0.08) 114.0350867 (0.2) 113.891 (0.08) 114.0350867
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 18.20
V magnitude
R magnitude 17.40
I magnitude
J magnitude 15.94 (0.09) 15.94 (0.09)
H magnitude 15.59 (0.2) 15.59 (0.2)
K magnitude
u magnitude 19.85 (0.04) 19.88 (0.04) 19.88 (0.04)
g magnitude 18.10 (0.006) 18.10 (0.006)
r magnitude 17.33 (0.005) 17.33 (0.005)
i magnitude 17.07 (0.006) 17.07 (0.006)
z magnitude 16.95 (0.01) 16.95 (0.01)
G magnitude 17.38 (0.01) 17.39 17.39 17.38 17.38 (0.003) 17.39
BP magnitude 17.87 (0.01) 17.89 17.89
RP magnitude 16.73 (0.009) 16.74 16.74
Pan g magnitude 18.01 (0.008) 18.01 (0.008)
Pan r magnitude 17.35 (0.003) 17.35 (0.003)
Pan i magnitude 17.07 (0.003) 17.07 (0.003)
Pan z magnitude 16.97 (0.004) 16.97 (0.005)
Pan y magnitude 16.94 (0.01) 16.94 (0.01)
E(B-V) 0.002

* 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.