Exposure
- ID
- GRAVI.2025-02-26T06:02:16.957_2
- Header ID
- GRAVI.2025-02-26T06:02:16.957
- Date updated
- 2025-02-26 06:20:50 UTC+0000
- Release date
- 2026-02-26 06:20:50 UTC+0000
- UTC Start
- 2025-02-26 06:02:16.957
- UTC End
- 2025-02-26 06:08:56.957
- MJD Start
- 60732.25158515
- MJD End
- 60732.25621477963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0089475
- Ambient temperature (°C)
- 18.13
- Seeing (arcsec)
- 0.485
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 | 86.0850 | 86.2600 | 116.4000 | 118.1000 |
| A0-J2 | 129.2350 | 129.2300 | 101.7000 | 103.4000 |
| A0-K0 | 122.2550 | 121.9830 | 87.9460 | 89.6480 |
| G1-J2 | 50.9000 | 50.7030 | 76.3000 | 78.0000 |
| G1-K0 | 62.1080 | 61.7630 | 46.5620 | 47.9730 |
| J2-K0 | 30.9660 | 31.0010 | 351.9140 | 353.1310 |
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 | 60732.25158515 |
| 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 | 86.085 |
| HIERARCH ESO ISS PBL12 END | 86.26 |
| HIERARCH ESO ISS PBLA12 START | 116.4 |
| HIERARCH ESO ISS PBLA12 END | 118.1 |
| HIERARCH ESO ISS PBL13 START | 129.235 |
| HIERARCH ESO ISS PBL13 END | 129.23 |
| HIERARCH ESO ISS PBLA13 START | 101.7 |
| HIERARCH ESO ISS PBLA13 END | 103.4 |
| HIERARCH ESO ISS PBL14 START | 122.255 |
| HIERARCH ESO ISS PBL14 END | 121.983 |
| HIERARCH ESO ISS PBLA14 START | 87.946 |
| HIERARCH ESO ISS PBLA14 END | 89.648 |
| HIERARCH ESO ISS PBL23 START | 50.9 |
| HIERARCH ESO ISS PBL23 END | 50.703 |
| HIERARCH ESO ISS PBLA23 START | 76.3 |
| HIERARCH ESO ISS PBLA23 END | 78.0 |
| HIERARCH ESO ISS PBL24 START | 62.108 |
| HIERARCH ESO ISS PBL24 END | 61.763 |
| HIERARCH ESO ISS PBLA24 START | 46.562 |
| HIERARCH ESO ISS PBLA24 END | 47.973 |
| HIERARCH ESO ISS PBL34 START | 30.966 |
| HIERARCH ESO ISS PBL34 END | 31.001 |
| HIERARCH ESO ISS PBLA34 START | 351.914 |
| HIERARCH ESO ISS PBLA34 END | 353.131 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008579 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009316 |
| HIERARCH ESO ISS AMBI TEMP | 18.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.49 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |