| The Star | |||||
|---|---|---|---|---|---|
| Simbad GAIA 2MASS |
LP 424-4 DR2 654687847820642560 J07590587+1523294 |
||||
| RA | 07:59:05.8395 | DEC | +15:23:29.240 | ||
| Parallax 33.96 mas |
P.M. RA -185.734 mas/y |
P.M. DEC -57.263 mas/y |
|||
| MagV 12.33 |
MagR 11.934 |
MagI 10.08 |
MagJ 8.794 |
MagH 8.206 |
MagK 7.989 |
| MagG 11.354 |
MagGBP 12.586 |
MagGRP 10.291 |
|||
| *Calculated from GAIA magnitudes. | |||||
Ephemeris
- Verified 
|
|||||
|---|---|---|---|---|---|
| Kokori et al. 2022 | |||||
| Mid-time 2456974.68988 ± 5.9e-05 BJDTDB |
|||||
| Period 3.3366524 ± 1.4e-07 days |
|||||
| Transit Parameters | |||||
| Biddle et al. 2014 | |||||
| Rp/Rs 0.0764 ± 0.0004 |
a/Rs 13.9 +0.4 -0.5 |
i 88.9 +0.6 -0.5 deg |
|||
| e 0.017 +0.016 -0.012 |
ω 1.7 +1.0 -1.2 deg |
||||
| DepthR* 7.69 mmag |
Duration* 1.91 hours |
||||
|
*Calculated from the other parameters, using PyLightcurve.
**Adjusted based on the space observations. |
|||||
| Limb Darkening Parameters | |||||
| Bonfils et al. 2012 | |||||
| Teff 3600.0 +200.0 -200.0 K |
Log(g) 4.77 +0.12 -0.12 cm/s2 |
Fe/H 0.0 +0.0 -0.0 dex |
|||
| ExoClock Status | |||||
|---|---|---|---|---|---|
| Observing Priority | LOW | ||||
| Minimum aperture | 10.34" | ||||
| Total Observations (Recent) | 64 (7) | ||||
| O-C | 0.28 ± 0.5 minutes | ||||
| ExoClock Observations (Recent) | 31 (7) | ||||
| Space Observations (Recent) | 19 (0) | ||||
| ETD Observations (Recent) | 0 (0) | ||||
| Literature Mid-times (Recent) | 14 (0) | ||||
| Kepler Rp/Rs | - | ||||
| TESS Rp/Rs | 0.07721 ± 0.0004 | ||||
ExoClock Observations |
||||
| Planet Observation Date |
Observer Observatory |
Telescope Camera / Filter / Exp [s] |
O-C minutes |
|
|---|---|---|---|---|
| GJ3470b (LOW) 2024-03-08 | Kuo-Pin Huang Remote KMSH observatory | C14HD QSI-660 / R / 60.0 | -1.91 ± 8.78 | |
| GJ3470b (LOW) 2024-03-01 | Jacques Michelet Claix | GSO Ritchey-Chrétien Poseidon-M Pro / rpr / 90.0 | 2.13 ± 2.59 | |
| GJ3470b (LOW) 2024-01-31 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / AstrodonExoPlanet-BB / 120.0 | -4.68 ± 3.46 | |
| GJ3470b (LOW) 2024-01-21 | Claudio Lopresti Claudio Lopresti | Meade LX200 12" CCD Sbig ST9xe / I / 90.0 | -2.44 ± 5.33 | |
| GJ3470b (LOW) 2024-01-11 | Stefano Lora MarSEC | Ritchey Chrétien Moravian G2 Mark II / R / 120.0 | -4.66 ± 3.6 | |
| GJ3470b (LOW) 2023-12-09 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / Lum / 150.0 | 6.75 ± 5.33 | |
| GJ3470b (LOW) 2023-12-06 | Martin Crow Burnham Observatory | Celestron C9.25 SX694 mono / R / 180.0 | -2.82 ± 1.44 | |
| GJ3470b (LOW) 2023-03-20 | Marc Serrau A77 Dauban | Celestron 11 QHY268 Mono / rpr / 180.0 | 8.68 ± 2.88 | |
| GJ3470b (LOW) 2023-03-20 | Dominique DANIEL La Montjoie | T250 Skyvision Camera CMOS ZWO ASI2600MC pro (color) / Clear / 120.0 | 2.2 ± 2.16 | |
| GJ3470b (LOW) 2023-02-18 | Matthieu Bachschmidt Gonachon | Celestron C11 SBIG ST8XME / R / 60.0 | -0.72 ± 2.02 | |
| GJ3470b (LOW) 2023-02-18 | Marc Serrau A77 Dauban | Celestron 11 QHY268 Mono / rpr / 180.0 | -6.34 ± 4.18 | |
| GJ3470b (LOW) 2023-02-12 | Bryan Martin Tiger Butte Observatory Remote | AG Optical IDK ZWO ASI 294 / V / 120.0 | -3.6 ± 3.17 | |
| GJ3470b (LOW) 2023-02-08 | Lionel Rousselot Private observatory Vierzon | Newton 250/1000 ZWO 1600 monochrome / Clear / 60.0 | 2.82 ± 2.74 | |
| GJ3470b (LOW) 2023-02-08 | Manfred Raetz privat observatory Herges-Hallenberg | SCT 280 /1790 (Celestron C11 with reducer) Moravian Instruments G2-1600 / AstrodonExoPlanet-BB / 120.0 | 0.37 ± 0.81 | |
| GJ3470b (LOW) 2023-02-02 | David Arnot OSO PIRATE | PlaneWave Instruments CDK24 24 inch (610 mm) f/6.5 Corrected Dall-Kirkham Astrograph FLI ProLine KAF-16803 / R / 55.0 | 5.27 ± 1.87 | |
| GJ3470b (LOW) 2023-01-29 | Claudio Lopresti Claudio Lopresti | Mak-Newton CCD Sbig ST10xme / I / 240.0 | -3.44 ± 1.87 | |
| GJ3470b (LOW) 2023-01-13 | Adam Popowicz Otivar dome2 | Newton 12" ASA ASI ZWO 1600MM / R / 77.0 | 3.71 ± 2.3 | |
| GJ3470b (LOW) 2022-01-21 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 150.0 | -2.76 ± 2.02 | |
| GJ3470b (LOW) 2021-12-02 | Adrian Jones Private Observatory (I64) | Meade ACF 30cm QSI 583 / R / 150.0 | -2.64 ± 2.59 | |
| GJ3470b (LOW) 2021-04-25 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Lum / 60.0 | -0.68 ± 4.32 | |
| GJ3470b (LOW) 2021-03-26 | Carmelo Falco GALHassin Robotic Telescope 2 (GRT2) | Giacometti-Fogale RC16 Andor Apogee Aspen CG16M / Lum / 60.0 | 1.0 ± 1.73 | |
| GJ3470b (LOW) 2021-01-19 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 5.0 | 1.35 ± 0.55 | |
| GJ3470b (LOW) 2021-01-19 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH3 i / ipr / 15.0 | 0.8 ± 0.26 | |
| GJ3470b (LOW) 2021-01-19 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 20.0 | 0.35 ± 0.29 | |
| GJ3470b (LOW) 2021-01-19 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 8.0 | 0.01 ± 0.27 | |
| GJ3470b (LOW) 2020-02-27 | Yves Jongen Deep Sky Chile | Plane Wave CDK 17" Moravian 4G / V / 120.0 | 2.42 ± 2.74 | |
| GJ3470b (LOW) 2020-02-17 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 8.0 | -2.11 ± 1.58 | |
| GJ3470b (LOW) 2019-12-29 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH4 z / zpr / 20.0 | -0.25 ± 0.3 | |
| GJ3470b (LOW) 2019-12-29 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B - CH2 r / rpr / 8.0 | -1.02 ± 0.49 | |
| GJ3470b (LOW) 2019-12-29 | MUSCAT Team Teide Observatory | Telescope Carlos Sanchez MuSCAT2 - PIXIS: 1024B eXcelon - CH1 g / gpr / 10.0 | -1.74 ± 0.79 | |
| GJ3470b (LOW) 2015-01-08 | Ramon Naves Montcabrer | Meade LX200 12" ACF Sbig ST8xme / R / 129.0 | 3.79 ± 1.58 | |
Space Observations |
||||
| Planet Observation Date |
Mission | O-C minutes |
||
| GJ3470b (LOW) 2021-12-28 | TESS | 1.18 ± 0.84 | ||
| GJ3470b (LOW) 2021-12-25 | TESS | 1.97 ± 0.73 | ||
| GJ3470b (LOW) 2021-12-22 | TESS | -1.58 ± 0.71 | ||
| GJ3470b (LOW) 2021-12-15 | TESS | 0.62 ± 0.88 | ||
| GJ3470b (LOW) 2021-12-12 | TESS | 0.2 ± 0.76 | ||
| GJ3470b (LOW) 2021-12-08 | TESS | -0.31 ± 0.71 | ||
| GJ3470b (LOW) 2021-12-05 | TESS | -1.26 ± 0.88 | ||
| GJ3470b (LOW) 2021-11-28 | TESS | 1.47 ± 0.68 | ||
| GJ3470b (LOW) 2021-11-25 | TESS | -0.99 ± 0.6 | ||
| GJ3470b (LOW) 2021-11-18 | TESS | 0.74 ± 0.94 | ||
| GJ3470b (LOW) 2021-11-15 | TESS | -1.18 ± 0.66 | ||
| GJ3470b (LOW) 2021-11-12 | TESS | 0.29 ± 0.71 | ||
| GJ3470b (LOW) 2021-11-08 | TESS | -0.99 ± 0.95 | ||
| GJ3470b (LOW) 2021-11-05 | TESS | -0.29 ± 0.71 | ||
| GJ3470b (LOW) 2021-11-02 | TESS | 0.11 ± 0.65 | ||
| GJ3470b (LOW) 2021-10-29 | TESS | -0.42 ± 0.81 | ||
| GJ3470b (LOW) 2021-10-23 | TESS | 0.35 ± 0.62 | ||
| GJ3470b (LOW) 2021-10-19 | TESS | 0.03 ± 0.82 | ||
| GJ3470b (LOW) 2021-10-16 | TESS | 0.55 ± 0.69 | ||
Literature Mid-times |
||||
| Planet Observation Date |
Reference | O-C minutes |
||
| 2014-02-09 | Dragomir et al. 2015 | -0.56 ± 0.95 | ||
| 2014-02-02 | Dragomir et al. 2015 | -0.7 ± 0.84 | ||
| 2014-01-26 | Dragomir et al. 2015 | -0.87 ± 1.08 | ||
| 2014-01-20 | Dragomir et al. 2015 | -0.02 ± 0.78 | ||
| 2014-01-20 | Dragomir et al. 2015 | -0.15 ± 0.32 | ||
| 2013-03-19 | Dragomir et al. 2015 | 1.71 ± 0.79 | ||
| 2012-11-15 | Fukui et al. 2013 | 0.12 ± 0.32 | ||
| 2012-11-15 | Fukui et al. 2013 | 0.11 ± 0.32 | ||
| 2012-11-15 | Fukui et al. 2013 | 0.08 ± 0.32 | ||
| 2012-11-15 | Fukui et al. 2013 | -0.17 ± 0.27 | ||
| 2012-11-15 | Fukui et al. 2013 | -0.23 ± 0.29 | ||
| 2012-11-15 | Fukui et al. 2013 | -0.24 ± 0.36 | ||
| 2012-06-15 | Fukui et al. 2013 | 0.11 ± 0.22 | ||
| 2012-06-11 | Fukui et al. 2013 | 0.08 ± 0.2 | ||