All names: SDSS J090204.62+260814.3, GALEX J090204.5+260814, WD 0859+263, Gaia DR3 691566498608187008, Gaia EDR3 691566498608187008, Gaia DR2 691566498608187008, [HHD2009] SDSS J0902+2608, SDSS J090204.62+260814.2
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | SDSS DR12 | MWDD H | Gaia DR2 | Stilism | sdss-wdms.org (29/04/2016) | Simbad | White Dwarf Catalog (McCook & Sion 1999) | Kleinman et al. 2013 | Vincent et al. 2023 |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 09 02 04.61 (0.3) | 09 02 04.62 | 09 02 04.61 (0.5) | 09 02 04.62 | 09 02 04.62 (0.3) | 09 02 03.96 | 09 02 04.62 | |||||
Declination | 26 08 14.12 (0.2) | 26 08 14.33 | 26 08 14.13 (0.2) | 26 08 14.32 | 26 08 14.40 (0.2) | 26 08 09.60 | 26 08 14.34 | |||||
Spectral type | DA+M | DA+M | DA+M | DA2.0 | DA+M | DA+MS | ||||||
Effective temperature | [K] | 10882.0 | 28389.0 (945) | 23431.0 (501) | ||||||||
log(g) | [cgs] | 7.52 | 8.01 (0.2) | 7.55 (0.1) | ||||||||
Mass | [M☉] | 0.368 | 0.65 (0.1) | |||||||||
log(Luminosity) | [L☉] | |||||||||||
Cooling age | [Gyr] | 0.2839 | ||||||||||
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] | 1.86 (0.4) | 2.76 (0.7) | 1.86 (0.4) | ||||||||
Distance | [pc] | 536.63 (119) | 362.85 (86) | 876.00 (224) | 536.62 (119) | |||||||
Composition | H | |||||||||||
Proper motion (right ascension) | [mas/yr] | -10.05541828 (0.4) | -9.466752483 (0.7) | -10.055 (0.4) | ||||||||
Proper motion (declination) | [mas/yr] | -17.57919033 (0.2) | -19.78619784 (0.4) | -17.579 (0.2) | ||||||||
Variability | ||||||||||||
Magnetic | ||||||||||||
Bd | [MG] | |||||||||||
Infrared excess (disk) | ||||||||||||
Binarity | WDMS | yes | WDMS | WDMS | ||||||||
B magnitude | ||||||||||||
V magnitude | ||||||||||||
R magnitude | ||||||||||||
I magnitude | ||||||||||||
J magnitude | ||||||||||||
H magnitude | ||||||||||||
K magnitude | ||||||||||||
u magnitude | 18.73 (0.02) | 18.71 | 18.73 (0.02) | 18.71 | 18.73 (0.02) | |||||||
g magnitude | 18.85 (0.009) | 18.87 | 18.85 (0.009) | 18.87 | 18.88 (0.02) | |||||||
r magnitude | 19.21 (0.01) | 19.22 | 19.20 (0.01) | 19.22 | 19.22 (0.02) | |||||||
i magnitude | 19.22 (0.01) | 19.21 | 19.22 (0.01) | 19.21 | 19.22 (0.02) | |||||||
z magnitude | 19.02 (0.04) | 19.02 | 19.02 (0.04) | 19.02 | 19.03 (0.04) | |||||||
G magnitude | 19.01 (0.02) | 19.03 | 19.01 (0.004) | |||||||||
BP magnitude | 19.03 (0.02) | 18.91 | ||||||||||
RP magnitude | 18.87 (0.03) | 18.80 | ||||||||||
Pan g magnitude | 18.93 (0.008) | |||||||||||
Pan r magnitude | 19.26 (0.007) | |||||||||||
Pan i magnitude | 19.26 (0.009) | |||||||||||
Pan z magnitude | 19.06 (0.01) | |||||||||||
Pan y magnitude | 18.94 (0.03) | |||||||||||
E(B-V) | 0.029 |
* 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.