All names: J2230+1523, 2MASS J22305560+1523534, PM J22309+1523, WD 2228+151, PSO J337.7334+15.3989, TIC 51807871, USNO-B1.0 1053-00641018, LHS 3821, LP 520-28, Gaia DR3 2736054627915080448, NLTT 54047, SDSS J223055.78+152354.6, SDSS J223055.77+152354.6, Gaia DR2 2736054627915080448, Gaia EDR3 2736054627915080448, WDJ223055.62+152353.66, LSPM J2230+1523E, 22309+1523
Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | O'Brien et al. 2024 | Caron et al. 2023 | Kilic et al. 2020 | McCleery et al. 2020 | Blouin et al. 2019 | MWDD H | Gaia DR2 | Stilism | Limoges et al. 2015 | Kawka et Vennes 2006 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Right ascension | 22 30 56.16 (0.1) | 22 30 56.14 (0.2) | 22 30 56.14 (0.2) | 22 30 56.16 | 22 30 55.62 (0.1) | 22 30 56.14 | 22 30 55.78 | |||||||||||
Declination | 15 23 56.88 (0.1) | 15 23 56.78 (0.2) | 15 23 56.78 (0.2) | 15 23 56.88 | 15 23 53.66 (0.1) | 15 23 56.78 | 15 23 49.56 | |||||||||||
Spectral type | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA | DA9.0 | ||||||
Effective temperature | [K] | 5290.0 (10) | 5378.0 (111) | 5308.0 (9) | 5292.0 (10) | 5192.6 (97) | 5350.0 (30) | 5383.0 | 4820.0 (478) | 5580.0 (260) | 5397.0 (56) | |||||||
log(g) | [cgs] | 8.10 (0.006) | 8.15 (0.07) | 8.14 (0.008) | 8.12 (0.008) | 8.07 (0.07) | 8.16 (0.02) | 8.17 | 8.00 (0) | 8.68 (0.6) | 8.17 (0.02) | |||||||
Mass | [M☉] | 0.646 (0.006) | 0.68 (0.05) | 0.67 (0.007) | 0.659 (0.008) | 0.682 (0.01) | 0.691 | 0.58 (0.1) | 1.02 (0.4) | 0.688 (0.02) | ||||||||
log(Luminosity) | [L☉] | -4.11 | ||||||||||||||||
Cooling age | [Gyr] | 5.7100 | 5.5840 (0.3) | 5.5310 | ||||||||||||||
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] | 25.95 (0.1) | 25.95 (0.1) | 26.31 (0.2) | 26.31 (0.2) | 26.31 (0.2) | 26.31 (0.2) | 25.95 | 25.95 (0.1) | 26.31 (0.2) | ||||||||
Distance | [pc] | 38.53 (0.2) | 38.54 (0.2) | 38.01 (0.3) | 38.00 (0.3) | 38.01 (0.3) | 38.00 (0.3) | 32.80 (8) | 27.00 | 38.53 | 38.53 (0.2) | 38.00 (0.3) | ||||||
Composition | H | H | H | H | H | H | ||||||||||||
Proper motion (right ascension) | [mas/yr] | 492.7449876 (0.1) | 492.492928 (0.2) | 492.745 (0.1) | 492.492928 | |||||||||||||
Proper motion (declination) | [mas/yr] | 201.1912669 (0.1) | 201.2771036 (0.2) | 201.191 (0.1) | 201.2771036 | |||||||||||||
Variability | ||||||||||||||||||
Magnetic | ||||||||||||||||||
Bd | [MG] | |||||||||||||||||
Infrared excess (disk) | ||||||||||||||||||
Binarity | ||||||||||||||||||
B magnitude | 17.16 | |||||||||||||||||
V magnitude | ||||||||||||||||||
R magnitude | 17.30 | |||||||||||||||||
I magnitude | ||||||||||||||||||
J magnitude | 16.51 (0.02) | 16.34 (0.1) | 16.34 (0.1) | |||||||||||||||
H magnitude | 16.27 (0.2) | 16.01 (0.1) | 16.01 (0.1) | |||||||||||||||
K magnitude | 15.86 (0.2) | |||||||||||||||||
u magnitude | 19.61 (0.03) | 19.61 (0.03) | 19.61 (0.03) | |||||||||||||||
g magnitude | 18.11 (0.003) | 18.23 (0.006) | ||||||||||||||||
r magnitude | 17.61 (0.003) | 17.63 (0.006) | ||||||||||||||||
i magnitude | 17.44 (0.0009) | 17.41 (0.006) | ||||||||||||||||
z magnitude | 17.36 (0.005) | 17.30 (0.01) | ||||||||||||||||
G magnitude | 17.67 (0.02) | 17.68 | 17.68 | 17.67 | 17.67 (0.003) | 17.68 | ||||||||||||
BP magnitude | 18.08 (0.02) | 18.11 | 18.11 | |||||||||||||||
RP magnitude | 17.11 (0.01) | 17.09 | 17.09 | |||||||||||||||
Pan g magnitude | 18.15 (0.007) | 18.11 (0.003) | 18.11 (0.003) | |||||||||||||||
Pan r magnitude | 17.63 (0.006) | 17.61 (0.003) | 17.61 (0.003) | |||||||||||||||
Pan i magnitude | 17.44 (0.003) | 17.44 (0.0009) | 17.44 (0.001) | |||||||||||||||
Pan z magnitude | 17.38 (0.007) | 17.36 (0.005) | 17.36 (0.005) | |||||||||||||||
Pan y magnitude | 17.33 (0.008) | 17.36 (0.02) | 17.36 (0.02) | |||||||||||||||
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.