Exposure
- ID
- GRAVI.2025-02-26T07:08:47.126_2
- Header ID
- GRAVI.2025-02-26T07:08:47.126
- Date updated
- 2025-02-26 07:20:53 UTC+0000
- Release date
- 2026-02-26 07:20:52 UTC+0000
- UTC Start
- 2025-02-26 07:08:47.126
- UTC End
- 2025-02-26 07:15:27.126
- MJD Start
- 60732.29776766
- MJD End
- 60732.302397289626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007260000000000001
- Ambient temperature (°C)
- 17.68
- Seeing (arcsec)
- 0.645
Observation
- ID
- 63639
- Category
- science
- Program ID
- 113.26JS.001
- Program Title
- DIRECT CHARACTERIZATION OF CIRCUMPLANETARY DISKS WITH VLTI/GRAVITY
- Program Type
- Normal
- PI / COI
- BOURDAROT / RAB / BENISTY / LACOUR / GINSKI / BONNEFOY / POURRÉ / KAMMERER / DEMARS / RINGQVIST / VISWANATH / KRAVCHENKO
Target
- ID
- 47407
- Name
- CT_Cha
- RA
- 166.03791249999998
- DEC
- -76.45536916666667
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.5050 | 87.6240 | 132.0000 | 133.6000 |
| A0-J2 | 128.9560 | 128.9010 | 118.0000 | 119.7000 |
| A0-K0 | 119.4530 | 119.1350 | 104.2880 | 106.0350 |
| G1-J2 | 48.8950 | 48.6700 | 92.3000 | 94.0000 |
| G1-K0 | 58.4660 | 58.0360 | 60.1920 | 61.6620 |
| J2-K0 | 31.0670 | 31.0480 | 3.4600 | 4.6760 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 113.26JS.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60732.29776766 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | CT Cha |
| HIERARCH ESO INS SOBJ NAME | CT_Cha |
| RA | 166.026517 |
| DEC | -76.45518 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | A0 |
| HIERARCH ESO ISS CONF STATION2 | G1 |
| HIERARCH ESO ISS CONF STATION3 | J2 |
| HIERARCH ESO ISS CONF STATION4 | K0 |
| EXPTIME | 418.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 87.505 |
| HIERARCH ESO ISS PBL12 END | 87.624 |
| HIERARCH ESO ISS PBLA12 START | 132.0 |
| HIERARCH ESO ISS PBLA12 END | 133.6 |
| HIERARCH ESO ISS PBL13 START | 128.956 |
| HIERARCH ESO ISS PBL13 END | 128.901 |
| HIERARCH ESO ISS PBLA13 START | 118.0 |
| HIERARCH ESO ISS PBLA13 END | 119.7 |
| HIERARCH ESO ISS PBL14 START | 119.453 |
| HIERARCH ESO ISS PBL14 END | 119.135 |
| HIERARCH ESO ISS PBLA14 START | 104.288 |
| HIERARCH ESO ISS PBLA14 END | 106.035 |
| HIERARCH ESO ISS PBL23 START | 48.895 |
| HIERARCH ESO ISS PBL23 END | 48.67 |
| HIERARCH ESO ISS PBLA23 START | 92.3 |
| HIERARCH ESO ISS PBLA23 END | 94.0 |
| HIERARCH ESO ISS PBL24 START | 58.466 |
| HIERARCH ESO ISS PBL24 END | 58.036 |
| HIERARCH ESO ISS PBLA24 START | 60.192 |
| HIERARCH ESO ISS PBLA24 END | 61.662 |
| HIERARCH ESO ISS PBL34 START | 31.067 |
| HIERARCH ESO ISS PBL34 END | 31.048 |
| HIERARCH ESO ISS PBLA34 START | 3.46 |
| HIERARCH ESO ISS PBLA34 END | 4.676 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006374 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008146 |
| HIERARCH ESO ISS AMBI TEMP | 17.68 |
| HIERARCH ESO ISS AMBI FWHM START | 0.67 |
| HIERARCH ESO ISS AMBI FWHM END | 0.62 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |