Exposure
- ID
- GRAVI.2025-02-05T07:31:24.178_2
- Header ID
- GRAVI.2025-02-05T07:31:24.178
- Date updated
- 2025-02-05 07:45:50 UTC+0000
- Release date
- 2026-02-05 07:45:50 UTC+0000
- UTC Start
- 2025-02-05 07:31:24.178
- UTC End
- 2025-02-05 07:38:04.178
- MJD Start
- 60711.31347428
- MJD End
- 60711.31810390963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0170025
- Ambient temperature (°C)
- 14.71
- Seeing (arcsec)
- 0.6950000000000001
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 | 86.2500 | 86.4200 | 118.0000 | 119.6000 |
| A0-J2 | 129.2300 | 129.2190 | 103.3000 | 105.0000 |
| A0-K0 | 121.9990 | 121.7210 | 89.5460 | 91.2520 |
| G1-J2 | 50.7150 | 50.5150 | 77.9000 | 79.5000 |
| G1-K0 | 61.7860 | 61.4330 | 47.8870 | 49.3030 |
| J2-K0 | 31.0010 | 31.0300 | 353.0600 | 354.2760 |
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 | 60711.31347428 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | CT Cha |
| HIERARCH ESO INS SOBJ NAME | CT_Cha |
| RA | 166.02652 |
| 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 | 86.25 |
| HIERARCH ESO ISS PBL12 END | 86.42 |
| HIERARCH ESO ISS PBLA12 START | 118.0 |
| HIERARCH ESO ISS PBLA12 END | 119.6 |
| HIERARCH ESO ISS PBL13 START | 129.23 |
| HIERARCH ESO ISS PBL13 END | 129.219 |
| HIERARCH ESO ISS PBLA13 START | 103.3 |
| HIERARCH ESO ISS PBLA13 END | 105.0 |
| HIERARCH ESO ISS PBL14 START | 121.999 |
| HIERARCH ESO ISS PBL14 END | 121.721 |
| HIERARCH ESO ISS PBLA14 START | 89.546 |
| HIERARCH ESO ISS PBLA14 END | 91.252 |
| HIERARCH ESO ISS PBL23 START | 50.715 |
| HIERARCH ESO ISS PBL23 END | 50.515 |
| HIERARCH ESO ISS PBLA23 START | 77.9 |
| HIERARCH ESO ISS PBLA23 END | 79.5 |
| HIERARCH ESO ISS PBL24 START | 61.786 |
| HIERARCH ESO ISS PBL24 END | 61.433 |
| HIERARCH ESO ISS PBLA24 START | 47.887 |
| HIERARCH ESO ISS PBLA24 END | 49.303 |
| HIERARCH ESO ISS PBL34 START | 31.001 |
| HIERARCH ESO ISS PBL34 END | 31.03 |
| HIERARCH ESO ISS PBLA34 START | 353.06 |
| HIERARCH ESO ISS PBLA34 END | 354.276 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.018615 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01539 |
| HIERARCH ESO ISS AMBI TEMP | 14.71 |
| HIERARCH ESO ISS AMBI FWHM START | 0.72 |
| HIERARCH ESO ISS AMBI FWHM END | 0.67 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |