EGGR 75

All names: TIC 99868786, PM J11077+5958, SBSS 1104+602, LTT 18157, LTT 17122, WD 1104+602, NLTT 26342, EGGR 75, LB 253, USNO 320, Gaia DR3 861050512312844672, GEN# +9.80197004, SDSS J110742.72+595829.2, Gaia DR2 861050512312844672, G197-4, UBV 10143, WD 1100+604, ASCC 190291, 11077+5958, GALEX J110742.6+595828, LP 93-370, 2MASS J11074280+5958298, J1107+5958, PLX 2583.02, SDSS J110742.73+595829.3, G 197-4, GCRV 61913, SBSS 1100+604, WD 1104+60, LSPM J1107+5958, GEN# +6.00000253, PG 1100+605, WDJ110742.77+595829.66, G 236-58, USNO-B1.0 1499-00197224, Gaia EDR3 861050512312844672

Parameter Unit Gaia EDR3 Pan-STARRS DR1 Kilic et al. 2025 O'Brien et al. 2024 McCleery et al. 2020 Kilic et al. 2020 MWDD H Gaia DR2 Bedard et al. 2017 Stilism Limoges et al. 2015 Koester et al. 2014 Gianninas et al. 2011 Vincent et al. 2024 Simbad Gentile Fusillo et al. 2018 White Dwarf Catalog (McCook & Sion 1999)
Right ascension 11 07 42.36 (0.02) 11 07 42.38 (0.03) 11 07 42.38 (0.03) 11 07 42.36 11 07 42.77 (0.02) 11 07 42.38 11 07 43.78
Declination 59 58 26.99 (0.02) 59 58 27.07 (0.03) 59 58 27.07 (0.03) 59 58 26.99 59 58 29.66 (0.02) 59 58 27.07 59 58 33.60
Spectral type DA DA DA DA DA DA DA DA DA DA2.7 DA3
Effective temperature [K] 17765.0 (238) 18320.0 (346) 18479.7 (154) 17766.0 (238) 9114.0 18294.0 (273) 18780.0 (283) 18206.0 (247) 18990.0 (290) 19103.0 (124)
log(g) [cgs] 8.09 (0.01) 8.12 (0.02) 8.13 (0.01) 8.09 (0.01) 7.26 8.11 (0.04) 8.08 (0.05) 8.05 (0.09) 8.08 (0.05) 8.16 (0.005)
Mass [M] 0.673 (0.008) 0.688 (0.01) 0.671 (0.008) 0.273 0.67 (0.03) 0.646 (0.05) 0.67 (0.03) 0.719 (0.005)
log(Luminosity) [L] -1.77
Cooling age [Gyr] 0.3778
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) <-8.40
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] 28.99 (0.02) 28.99 (0.02) 28.90 (0.04) 28.90 (0.04) 28.99 28.99 (0.02) 28.90 (0.04) 21.00 (4)
Distance [pc] 34.49 (0.03) 34.49 (0.02) 34.60 (0.05) 34.60 (0.05) 43.90 (9) 35.60 (2) 37.00 34.49 34.49 (0.03) 34.60 (0.05) 47.62 (9)
Composition H H H H H
Proper motion (right ascension) [mas/yr] -192.9148235 (0.02) -192.8550571 (0.05) -192.915 (0.02) -192.8550571
Proper motion (declination) [mas/yr] -166.9138122 (0.02) -166.9601672 (0.06) -166.914 (0.02) -166.9601672
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 13.78
V magnitude 13.74 (0.1)
R magnitude 13.70
I magnitude
J magnitude 14.24 (0.03)
H magnitude 14.29 (0.05)
K magnitude 14.38 (0.08)
u magnitude 13.79 (0.003) 13.85 (0.003) 13.79
g magnitude 15.89 (0.01) 13.89 (0.003) 14.28
r magnitude 13.99 (0.004) 13.96 (0.003) 13.97
i magnitude 14.49 (0.008) 14.27 (0.003) 14.34
z magnitude 14.55 (0.004) 14.57 (0.004) 14.55
G magnitude 13.82 (0.0009) 13.84 13.84 13.82 13.82 (0.003) 13.84
BP magnitude 13.75 (0.0009) 13.72 13.72
RP magnitude 13.98 (0.0008) 13.99 13.99
Pan g magnitude 13.69 (0.005)
Pan r magnitude 14.01 (0.008)
Pan i magnitude 14.30 (0.003)
Pan z magnitude 14.55 (0.003)
Pan y magnitude 14.73 (0.004)
E(B-V) 0.001

* 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.