GD 312
All names: WD 1149+41, LAMOST J115141.98+404714.7, GD 312, PG 1149+411, SDSS J115142.07+404714.2, CBS 446, TIC 309590931, Gaia DR2 768139786900195456, J1151+4047, Gaia DR3 768139786900195456, 2MASS J11514211+4047141, GALEX J115142.0+404714, WDJ115142.11+404714.03, SDSS J115142.06+404714.1, WD 1149+410, USNO-B1.0 1307-00220380, Gaia EDR3 768139786900195456, LSPM J1151+4047, EGGR 354, KUV 11491+4104
| Parameter | Unit | Gaia EDR3 | Pan-STARRS DR1 | Kilic et al. 2025 | Kilic et al. 2020 | MWDD H | Gaia DR2 | Stilism | Gianninas et al. 2011 | Vincent et al. 2024 | Simbad | Gentile Fusillo et al. 2018 | White Dwarf Catalog (McCook & Sion 1999) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Right ascension | 11 51 41.88 (0.03) | 11 51 41.89 (0.05) | 11 51 41.88 | 11 51 42.11 (0.03) | 11 51 41.89 | 11 51 42.17 | |||||||
| Declination | 40 47 14.78 (0.04) | 40 47 14.76 (0.05) | 40 47 14.78 | 40 47 14.04 (0.04) | 40 47 14.76 | 40 47 12.84 | |||||||
| Spectral type | DA | DA | DA | DA | DA | DA3.4 | DA4 | ||||||
| Effective temperature | [K] | 14739.0 (320) | 14739.0 (319) | 14452.0 | 14730.0 (288) | 15043.0 (185) | |||||||
| log(g) | [cgs] | 7.97 (0.02) | 7.97 (0.02) | 7.95 | 7.97 (0.05) | 7.99 (0.01) | |||||||
| Mass | [M☉] | 0.593 (0.01) | 0.594 (0.01) | 0.581 | 0.59 (0.03) | 0.607 (0.009) | |||||||
| log(Luminosity) | [L☉] | ||||||||||||
| Cooling age | [Gyr] | 0.2039 | |||||||||||
| 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] | 10.72 (0.05) | 10.73 (0.07) | 10.72 | 10.72 (0.05) | 10.73 (0.07) | |||||||
| Distance | [pc] | 93.26 (0.4) | 93.19 (0.6) | 89.00 | 93.26 | 93.26 (0.4) | 93.19 (0.6) | ||||||
| Composition | H | H | H | ||||||||||
| Proper motion (right ascension) | [mas/yr] | -163.1752051 (0.04) | -163.0940385 (0.07) | -163.175 (0.04) | -163.0940385 | ||||||||
| Proper motion (declination) | [mas/yr] | 46.77071809 (0.04) | 46.9289916 (0.1) | 46.771 (0.04) | 46.9289916 | ||||||||
| Variability | |||||||||||||
| Magnetic | |||||||||||||
| Bd | [MG] | ||||||||||||
| Infrared excess (disk) | |||||||||||||
| Binarity | |||||||||||||
| B magnitude | 15.50 | ||||||||||||
| V magnitude | |||||||||||||
| R magnitude | 15.90 | ||||||||||||
| I magnitude | |||||||||||||
| J magnitude | 16.36 (0.02) | ||||||||||||
| H magnitude | |||||||||||||
| K magnitude | |||||||||||||
| u magnitude | 16.31 (0.006) | 16.31 (0.006) | |||||||||||
| g magnitude | 15.99 (0.003) | 15.99 (0.003) | |||||||||||
| r magnitude | 16.27 (0.004) | 16.27 (0.004) | |||||||||||
| i magnitude | 16.53 (0.005) | 16.53 (0.005) | |||||||||||
| z magnitude | 16.78 (0.01) | 16.78 (0.01) | |||||||||||
| G magnitude | 16.15 (0.003) | 16.17 | 16.15 | 16.15 (0.003) | 16.17 | ||||||||
| BP magnitude | 16.12 (0.003) | 16.08 | 16.08 | ||||||||||
| RP magnitude | 16.25 (0.004) | 16.25 | 16.25 | ||||||||||
| Pan g magnitude | 16.03 (0.009) | ||||||||||||
| Pan r magnitude | 16.28 (0.01) | ||||||||||||
| Pan i magnitude | 16.56 (0.003) | ||||||||||||
| Pan z magnitude | 16.81 (0.02) | ||||||||||||
| Pan y magnitude | 16.95 (0.008) | ||||||||||||
| E(B-V) | 0.004 | ||||||||||||
* 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
