All names: NLTT 51286, CSI+55-21249, UBV M 42730, Gaia DR2 2177776331525931136, GJ 9741, TIC 316271332, Lan 82, WD 2124+55, Gaia EDR3 2177776331525931136, LAWD 85, Lan 082, 2MASS J21262546+5513324, uvby98 980231043, LSPM J2126+5513, PM J21264+5513, Gaia DR3 2177776331525931136, UBV 18501, G 231-43, 21264+5513, KPD 2124+5459, UBV 18243, LTT 16270, EGGR 143, GJ 828.3, USNO 266, PLX 5166.01, CSI+54-21247, UBV M 43027, GEN# +9.80231043, WD 2124+550, Ross 198, G 232-14, WDJ212625.46+551332.38, USNO-B1.0 1452-00354740
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | O'Brien et al. 2024 | McCleery et al. 2020 | MWDD H | Gaia DR2 | Bedard et al. 2017 | Stilism | Limoges et al. 2015 | Gianninas et al. 2011 | Lepine et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 21 26 25.96 (0.02) | 21 26 25.95 (0.03) | 21 26 25.95 (0.03) | 21 26 25.96 | 21 26 25.46 (0.02) | 21 26 25.95 | 21 26 24.00 | |||||||||
Declination | 55 13 35.42 (0.02) | 55 13 35.33 (0.03) | 55 13 35.33 (0.03) | 55 13 35.42 | 55 13 32.38 (0.02) | 55 13 35.33 | 55 13 27.12 | |||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA3.5 | DA | DA3.6 | DA4 | ||||||
Effective temperature | [K] | 13073.0 (200) | 12798.1 (81) | 13015.0 | 14620.0 (383) | 13920.0 (271) | 14040.0 (253) | 14800.0 (387) | 13662.0 (99) | |||||||
log(g) | [cgs] | 8.37 (0.01) | 8.37 (0.008) | 8.39 | 8.48 (0.05) | 8.53 (0.05) | 8.41 (0.05) | 8.46 (0.05) | 8.40 (0.005) | |||||||
Mass | [M☉] | 0.84 (0.009) | 0.85 | 0.85 (0.3) | 0.94 (0.03) | 0.87 (0.03) | 0.9 (0.03) | 0.863 (0.004) | ||||||||
log(Luminosity) | [L☉] | -2.59 | ||||||||||||||
Cooling age | [Gyr] | 0.5401 | 0.4270 | |||||||||||||
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] | 29.66 (0.02) | 29.66 (0.02) | 29.78 (0.03) | 29.78 (0.03) | 27.80 (3) | 29.66 | 29.66 (0.02) | 29.78 (0.03) | 29.00 (4) | ||||||
Distance | [pc] | 33.72 (0.03) | 33.72 (0.02) | 33.58 (0.04) | 33.58 (0.04) | 33.20 (5) | 36.00 (4) | 35.00 | 47.00 | 33.72 | 33.72 (0.03) | 33.58 (0.04) | 34.48 (5) | |||
Composition | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 272.2023352 (0.03) | 271.8220147 (0.07) | 272.202 (0.03) | 271.8220147 | |||||||||||
Proper motion (declination) | [mas/yr] | 189.8879501 (0.03) | 190.1835819 (0.06) | 189.888 (0.03) | 190.1835819 | |||||||||||
Variability | NOV | |||||||||||||||
Magnetic | ||||||||||||||||
Bd | [MG] | |||||||||||||||
Infrared excess (disk) | ||||||||||||||||
Binarity | ||||||||||||||||
B magnitude | 14.88 | |||||||||||||||
V magnitude | 14.75 | |||||||||||||||
R magnitude | 15.00 | |||||||||||||||
I magnitude | 14.80 | |||||||||||||||
J magnitude | 14.99 (0.05) | |||||||||||||||
H magnitude | 14.96 (0.09) | |||||||||||||||
K magnitude | 14.90 (0.2) | |||||||||||||||
u magnitude | ||||||||||||||||
g magnitude | ||||||||||||||||
r magnitude | ||||||||||||||||
i magnitude | ||||||||||||||||
z magnitude | ||||||||||||||||
G magnitude | 14.76 (0.0009) | 14.77 | 14.77 | 14.76 | 14.76 (0.003) | 14.77 | ||||||||||
BP magnitude | 14.74 (0.0009) | 14.73 | 14.73 | |||||||||||||
RP magnitude | 14.79 (0.002) | 14.80 | 14.80 | |||||||||||||
Pan g magnitude | 14.68 (0.003) | |||||||||||||||
Pan r magnitude | 14.88 (0.0008) | |||||||||||||||
Pan i magnitude | 15.12 (0.002) | |||||||||||||||
Pan z magnitude | 15.34 (0.004) | |||||||||||||||
Pan y magnitude | 15.49 (0.003) | |||||||||||||||
E(B-V) | 0.002 |
* Constant surface field
Spectra without link are available upon request
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.