results
HAT-P-41 b
Total Reductions to Date: 8
Date Processed: 09/06/2025 at 07:00:04 (PDT)
Exoplanet Watch Ephemeris
| Parameter | Value | Uncertainty |
|---|---|---|
| Orbital Period (Days) | 2.6940499088495993 | 4.2329594579159453e-07 |
| Ephemeris (BJD_TDB) | 2459795.435793851 | 0.00025735109922229207 |
| Time saved (hours) | 0.0002 |
Assumed Priors
| Parameter | Value | Uncertainty | Units | Reference |
|---|---|---|---|---|
| RA | 297.3226523 | decimal | ||
| DEC | 4.6724124 | decimal | ||
| Host Star Metallicity | 0.21 | 0.1 | Bonomo et al. 2017 | |
| Host Star log(g) | 4.1239 | 0.080969 | Log10(cgs) | ExoFOP-TESS TOI |
| Host Star Radius [R_Sun] | 1.683 | 0.058 | Sol | Kokori et al. 2023 |
| Host Star Effective Temperature [K] | 6390.0 | 100.0 | K | Kokori et al. 2023 |
| a/Rs | 5.44 | 0.09 | Kokori et al. 2023 | |
| eccentricity | 0.22 | Bonomo et al. 2017 | ||
| inclination [degrees] | 87.7 | 1.0 | deg | Kokori et al. 2023 |
| omega [degrees] | 0.0 | deg | Kokori et al. 2023 | |
| orbital period [days] | 2.69404968 | 9.6e-07 | day | Kokori et al. 2023 |
| Rp | 18.89 | 0.85 | R_Earth | Johnson et al. 2017 |
| Rp/Rs | 0.1082 | 0 | ExoFOP-TESS TOI | |
| ephemeris [JD] | 2458071.24389 | 0.00015 | BJD-TDB | Kokori et al. 2023 |
Previously Published Mid-Transit Times
| Value | Uncertainty | Units | Reference |
|---|---|---|---|
| 2454983.8619233333 | 0.00109 | BJD, BJD-TDB, BJD-UTC | Johnson et al. 2017, Bonomo et al. 2017, Hartman et al. 2012 |
| 2458071.24389 | 0.000135 | BJD-TDB | Kokori et al. 2023, Kokori et al. 2022 |
| 2459771.189014 | 0.000441 | BJD | ExoFOP-TESS TOI |
Observations
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.7336 | 0.0019 |
| Am2 | 0.0084 | 0.004 |
| a/Rs | 5.41 | 0.21 |
| Rp/Rs | 0.0693 | 0.0093 |
| ephemeris [JD] | 2458685.4809 | 0.0034 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.2868412771062525 | |
| u1 | -4.08923645221511 | |
| u2 | 4.394498539971994 | |
| u3 | -1.592103299380005 | |
| duration | 0.1634 | 0.0068 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| R | Cousins R | 561.7 nm | 719.7 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| AAVSO | PCC (collaborate/publish) | BVN, SFV, MXI |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 5.31 | 0.077 |
| Rp/Rs | 0.0943 | 0.0015 |
| ephemeris [JD] | 2459790.0487 | 0.0011 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.814781861763275 | |
| u1 | -5.0639931988959095 | |
| u2 | 4.965179365739402 | |
| u3 | -1.7159679546198303 | |
| duration | 0.1709 | 0.0026 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0001 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 5.347 | 0.058 |
| Rp/Rs | 0.0954 | 0.0012 |
| ephemeris [JD] | 2459773.88304 | 0.00083 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.8142850904538776 | |
| u1 | -5.063918391436735 | |
| u2 | 4.966519423005402 | |
| u3 | -1.7168860480156387 | |
| duration | 0.1698 | 0.0021 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 0.9997 | 0.0014 |
| Am2 | 0 | |
| a/Rs | 5.253 | 0.059 |
| Rp/Rs | 0.0958 | 0.0012 |
| ephemeris [JD] | 2459795.43612 | 0.00087 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.8149572534427585 | |
| u1 | -5.066493262719384 | |
| u2 | 4.969500759902219 | |
| u3 | -1.7179646765742622 | |
| duration | 0.1731 | 0.0021 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0001 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 5.261 | 0.054 |
| Rp/Rs | 0.0968 | 0.0012 |
| ephemeris [JD] | 2459787.35306 | 0.00081 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.814972094030171 | |
| u1 | -5.065988324694179 | |
| u2 | 4.968627194009765 | |
| u3 | -1.7176108893074429 | |
| duration | 0.1726 | 0.002 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0001 | 0.0017 |
| Am2 | 0 | |
| a/Rs | 5.307 | 0.072 |
| Rp/Rs | 0.0971 | 0.0014 |
| ephemeris [JD] | 2459781.9655 | 0.0011 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.814938231751589 | |
| u1 | -5.066333587764066 | |
| u2 | 4.96935779481875 | |
| u3 | -1.7179623647570716 | |
| duration | 0.1713 | 0.0025 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0005 | 0.0015 |
| Am2 | 0 | |
| a/Rs | 5.359 | 0.059 |
| Rp/Rs | 0.0959 | 0.0011 |
| ephemeris [JD] | 2459771.19031 | 0.00084 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.8149123678325503 | |
| u1 | -5.065534504798637 | |
| u2 | 4.967939302478579 | |
| u3 | -1.717317091484428 | |
| duration | 0.1698 | 0.002 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |
| Parameter | Value | Uncertainty |
|---|---|---|
| Am1 | 1.0004 | 0.0014 |
| Am2 | 0 | |
| a/Rs | 5.249 | 0.057 |
| Rp/Rs | 0.0971 | 0.001 |
| ephemeris [JD] | 2459784.6593 | 0.00084 |
| eccentricity | 0.22 | |
| inclination [degrees] | 87.7 | |
| omega [degrees] | 0.0 | |
| orbital period [days] | 2.69404968 | |
| u0 | 2.815209303263459 | |
| u1 | -5.067019560349262 | |
| u2 | 4.970075404011771 | |
| u3 | -1.7182650728660738 | |
| duration | 0.1735 | 0.002 |
Included in ephemeris calculations
Light Curve (
PNG, PDF - high resolution
)
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
Posteriors ( PNG, PDF - high resolution )
Observation Data ( JSON )
| Filter | Detail | Min | Max |
|---|---|---|---|
| I | Cousins I | 721.0 nm | 875.0 nm |
| Organization | Observer Code | Secondary Observers |
|---|---|---|
| EPW | TESS (collaborate/publish) |