PN Lo 4

All names: V* LV Vel, SCM 51, Gaia DR2 5414927915911816704, AM 1003-440, GSC2 S13030134391, PN Lo 4, GALEX J100545.7-442133, PK 274+09 1, 274+9°1, Gaia DR3 5414927915911816704, WD 1003-441, Gaia EDR3 5414927915911816704, IRAS 10037-4406, ESO 263-2, PN G274.3+09.1

Parameter Unit Gaia EDR3 Gaia DR2 Stilism Simbad White Dwarf Research Corporation White Dwarf Catalog (McCook & Sion 1999)
Right ascension 10 05 45.78 (0.04) 10 05 45.78 (0.06) 10 05 45.79 (0.04) 10 05 45.38
Declination -44 21 33.52 (0.04) -44 21 33.52 (0.06) -44 21 33.52 (0.04) -44 21 32.40
Spectral type sdO PG1159 PG1159
Effective temperature [K] 120000.0
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.33 (0.05) 0.27 (0.07) 0.33 (0.05)
Distance [pc] 3026.78 (476) 3735.52 (1021) 3026.63 (475)
Composition
Proper motion (right ascension) [mas/yr] -6.298054202 (0.05) -6.154 (0.1) -6.298 (0.05)
Proper motion (declination) [mas/yr] 0.29818456 (0.06) 0.304 (0.1) 0.298 (0.06)
Variability VAR
Magnetic yes
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 16.45
V magnitude 16.60
R magnitude
I magnitude
J magnitude
H magnitude
K magnitude
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude
G magnitude 16.59 (0.003) 16.61 16.59 (0.003)
BP magnitude 16.44 (0.003) 16.37
RP magnitude 16.86 (0.006) 16.84
Pan g magnitude
Pan r magnitude
Pan i magnitude
Pan z magnitude
Pan y magnitude
E(B-V) 0.069

* 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.