Exposure
- ID
- GRAVI.2025-02-26T07:38:08.201_2
- Header ID
- GRAVI.2025-02-26T07:38:08.201
- Date updated
- 2025-02-26 07:50:51 UTC+0000
- Release date
- 2026-02-26 07:50:51 UTC+0000
- UTC Start
- 2025-02-26 07:38:08.201
- UTC End
- 2025-02-26 07:44:48.201
- MJD Start
- 60732.31815047
- MJD End
- 60732.322780099625
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0071755
- Ambient temperature (°C)
- 17.22
- Seeing (arcsec)
- 0.61
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 | 87.9690 | 88.0660 | 138.8000 | 140.5000 |
| A0-J2 | 128.6990 | 128.6290 | 125.2000 | 126.9000 |
| A0-K0 | 118.1040 | 117.7780 | 111.6550 | 113.4260 |
| G1-J2 | 47.9370 | 47.7050 | 99.6000 | 101.3000 |
| G1-K0 | 56.6070 | 56.1440 | 66.4180 | 67.9250 |
| J2-K0 | 30.9490 | 30.9070 | 8.5640 | 9.7810 |
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 | 60732.31815047 |
| 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 | 87.969 |
| HIERARCH ESO ISS PBL12 END | 88.066 |
| HIERARCH ESO ISS PBLA12 START | 138.8 |
| HIERARCH ESO ISS PBLA12 END | 140.5 |
| HIERARCH ESO ISS PBL13 START | 128.699 |
| HIERARCH ESO ISS PBL13 END | 128.629 |
| HIERARCH ESO ISS PBLA13 START | 125.2 |
| HIERARCH ESO ISS PBLA13 END | 126.9 |
| HIERARCH ESO ISS PBL14 START | 118.104 |
| HIERARCH ESO ISS PBL14 END | 117.778 |
| HIERARCH ESO ISS PBLA14 START | 111.655 |
| HIERARCH ESO ISS PBLA14 END | 113.426 |
| HIERARCH ESO ISS PBL23 START | 47.937 |
| HIERARCH ESO ISS PBL23 END | 47.705 |
| HIERARCH ESO ISS PBLA23 START | 99.6 |
| HIERARCH ESO ISS PBLA23 END | 101.3 |
| HIERARCH ESO ISS PBL24 START | 56.607 |
| HIERARCH ESO ISS PBL24 END | 56.144 |
| HIERARCH ESO ISS PBLA24 START | 66.418 |
| HIERARCH ESO ISS PBLA24 END | 67.925 |
| HIERARCH ESO ISS PBL34 START | 30.949 |
| HIERARCH ESO ISS PBL34 END | 30.907 |
| HIERARCH ESO ISS PBLA34 START | 8.564 |
| HIERARCH ESO ISS PBLA34 END | 9.781 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006266 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008085 |
| HIERARCH ESO ISS AMBI TEMP | 17.22 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| HIERARCH ESO ISS AMBI FWHM END | 0.61 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |