GD 2

All names: 2RE J000732+331755, RE J0007+33, 2EUVE J0007+33.2, 2RE J0007+331, FBS B 430, 1SWASP J000732.24+331727.7, FBS 0004+330, GCRV 21682, USNO-A2.0 1200-00063945, GSC 02263-00616, RE J0007+331, Gaia DR3 2874319284171715968, [CL2016] GD2 34, GD 2, RE J000733+331748, GEN# +6.10060002, TIC 354537884, 2MASS J00073225+3317275, UCAC4 617-000381, EGGR 203, WD 0004+33, Gaia DR2 2874319284171715968, WD 0004+330, EUVE J0007+33.3, LAMOST J000732.26+331727.6, 1RXS J000732.4+331730, Gaia EDR3 2874319284171715968, GALEX J000732.0+331727, EUVE J0007+33.2

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Gaia DR2 Stilism Guo et al. 2015 Gianninas et al. 2011 Vincent et al. 2024 Simbad White Dwarf Catalog (McCook & Sion 1999)
Right ascension 00 07 32.16 (0.02) 00 07 32.16 (0.04) 00 07 32.16 00 07 32.26 (0.02) 00 07 32.95
Declination 33 17 26.62 (0.02) 33 17 26.65 (0.02) 33 17 26.62 33 17 27.61 (0.02) 33 17 29.76
Spectral type DA DA DA DA1.0 DA
Effective temperature [K] 56011.0 (1156) 49980.0 (898)
log(g) [cgs] 7.96 (0.07) 7.77 (0.06)
Mass [M] 0.69 (0.03) 0.59 (0.02)
log(Luminosity) [L]
Cooling age [Gyr]
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] 9.94 (0.04) 9.97 (0.05) 9.94 9.94 (0.04)
Distance [pc] 100.62 (0.4) 100.31 (0.6) 103.00 100.62 100.62 (0.4)
Composition H
Proper motion (right ascension) [mas/yr] -77.89500205 (0.03) -77.94964232 (0.06) -77.895 (0.04)
Proper motion (declination) [mas/yr] -61.68462523 (0.02) -61.73061096 (0.04) -61.685 (0.02)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.48 (0.01)
V magnitude 13.79 (0.007)
R magnitude 13.94 (0.005)
I magnitude 14.12 (0.004)
J magnitude 14.51 (0.03)
H magnitude 14.65 (0.05)
K magnitude 14.73 (0.09)
u magnitude
g magnitude 13.50 (0.05)
r magnitude 14.01 (0.04)
i magnitude 14.37 (0.05)
z magnitude
G magnitude 13.76 (0.001) 13.77 13.76 13.76 (0.003)
BP magnitude 13.59 (0.001) 13.54
RP magnitude 14.08 (0.0008) 14.08
Pan g magnitude 13.55 (0.001)
Pan r magnitude 14.05 (0.005)
Pan i magnitude 14.43 (0.002)
Pan z magnitude 14.70 (0.005)
Pan y magnitude 14.90 (0.002)
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.