EGGR 248

Other names: 0548-001, G99-037, G 99-37

Parameter	Unit	Holberg et al. 2016	Ferrario et al. 2015	Simbad
Right ascension				05 51 19.48
Declination				-00 10 21.29
Spectral type		DQP8.3	DQB	DQ8P
Effective temperature	[K]	6133.0	6200.0
log(g)	[cgs]	8.17
Mass	[M_☉]	0.69	0.69
log(Luminosity)	[L_☉]
Cooling age	[Gyr]	3.6300
log(H/He)
log(C/He)
log(Ca/He)

log(N/He)
log(O/He)
log(Na/He)
log(Mg/He)
log(Al/He)
log(Si/He)
log(P/He)
log(S/He)
log(Cl/He)
log(Sc/He)
log(Ti/He)
log(V/He)
log(Cr/He)
log(Mn/He)
log(Fe/He)
log(Co/He)
log(Ni/He)
log(Cu/He)
log(Zn/He)
log(Ga/He)
log(Ge/He)
log(Sr/He)
Parallax	[mas]	90.30		90.30
Distance	[pc]	11.07		11.07
Composition		He
Proper motion (right ascension)	[mas/yr]			109.0
Proper motion (declination)	[mas/yr]			226.0
Variability
Magnetic		yes	yes
D_b	[MG]	15	7.3
Infrared excess (disk)
Binarity
B magnitude				15.06
V magnitude		14.58		14.60
R magnitude
I magnitude
J magnitude				13.73
H magnitude				13.68
K magnitude				13.71
u magnitude
g magnitude
r magnitude
i magnitude
z magnitude

Spectra