Exposure
- ID
- GRAVI.2025-02-26T07:45:26.219_2
- Header ID
- GRAVI.2025-02-26T07:45:26.219
- Date updated
- 2025-02-26 08:00:35 UTC+0000
- Release date
- 2026-02-26 08:00:35 UTC+0000
- UTC Start
- 2025-02-26 07:45:26.219
- UTC End
- 2025-02-26 07:52:06.219
- MJD Start
- 60732.32322013
- MJD End
- 60732.327849759626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008085
- Ambient temperature (°C)
- 17.03
- Seeing (arcsec)
- 0.615
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 | 88.0690 | 88.1610 | 140.5000 | 142.2000 |
| A0-J2 | 128.6260 | 128.5540 | 127.0000 | 128.7000 |
| A0-K0 | 117.7650 | 117.4380 | 113.4980 | 115.2790 |
| G1-J2 | 47.6960 | 47.4630 | 101.4000 | 103.2000 |
| G1-K0 | 56.1250 | 55.6530 | 67.9860 | 69.5070 |
| J2-K0 | 30.9050 | 30.8560 | 9.8300 | 11.0510 |
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 | 60732.32322013 |
| 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 | 88.069 |
| HIERARCH ESO ISS PBL12 END | 88.161 |
| HIERARCH ESO ISS PBLA12 START | 140.5 |
| HIERARCH ESO ISS PBLA12 END | 142.2 |
| HIERARCH ESO ISS PBL13 START | 128.626 |
| HIERARCH ESO ISS PBL13 END | 128.554 |
| HIERARCH ESO ISS PBLA13 START | 127.0 |
| HIERARCH ESO ISS PBLA13 END | 128.7 |
| HIERARCH ESO ISS PBL14 START | 117.765 |
| HIERARCH ESO ISS PBL14 END | 117.438 |
| HIERARCH ESO ISS PBLA14 START | 113.498 |
| HIERARCH ESO ISS PBLA14 END | 115.279 |
| HIERARCH ESO ISS PBL23 START | 47.696 |
| HIERARCH ESO ISS PBL23 END | 47.463 |
| HIERARCH ESO ISS PBLA23 START | 101.4 |
| HIERARCH ESO ISS PBLA23 END | 103.2 |
| HIERARCH ESO ISS PBL24 START | 56.125 |
| HIERARCH ESO ISS PBL24 END | 55.653 |
| HIERARCH ESO ISS PBLA24 START | 67.986 |
| HIERARCH ESO ISS PBLA24 END | 69.507 |
| HIERARCH ESO ISS PBL34 START | 30.905 |
| HIERARCH ESO ISS PBL34 END | 30.856 |
| HIERARCH ESO ISS PBLA34 START | 9.83 |
| HIERARCH ESO ISS PBLA34 END | 11.051 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008085 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008085 |
| HIERARCH ESO ISS AMBI TEMP | 17.03 |
| HIERARCH ESO ISS AMBI FWHM START | 0.61 |
| 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 |