Exposure
- ID
- GRAVI.2025-02-26T05:25:10.862_2
- Header ID
- GRAVI.2025-02-26T05:25:10.862
- Date updated
- 2025-02-26 05:40:51 UTC+0000
- Release date
- 2026-02-26 05:40:51 UTC+0000
- UTC Start
- 2025-02-26 05:25:10.862
- UTC End
- 2025-02-26 05:31:50.862
- MJD Start
- 60732.22582016
- MJD End
- 60732.230449789626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0064069999999999995
- Ambient temperature (°C)
- 18.38
- Seeing (arcsec)
- 0.635
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 | 85.0590 | 85.2650 | 107.7000 | 109.3000 |
| A0-J2 | 129.1580 | 129.1860 | 92.7000 | 94.4000 |
| A0-K0 | 123.5840 | 123.3480 | 78.9770 | 80.6620 |
| G1-J2 | 51.8790 | 51.7030 | 67.6000 | 69.3000 |
| G1-K0 | 63.7710 | 63.4780 | 39.1540 | 40.5430 |
| J2-K0 | 30.6880 | 30.7530 | 345.4550 | 346.6750 |
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 | 60732.22582016 |
| 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 | 85.059 |
| HIERARCH ESO ISS PBL12 END | 85.265 |
| HIERARCH ESO ISS PBLA12 START | 107.7 |
| HIERARCH ESO ISS PBLA12 END | 109.3 |
| HIERARCH ESO ISS PBL13 START | 129.158 |
| HIERARCH ESO ISS PBL13 END | 129.186 |
| HIERARCH ESO ISS PBLA13 START | 92.7 |
| HIERARCH ESO ISS PBLA13 END | 94.4 |
| HIERARCH ESO ISS PBL14 START | 123.584 |
| HIERARCH ESO ISS PBL14 END | 123.348 |
| HIERARCH ESO ISS PBLA14 START | 78.977 |
| HIERARCH ESO ISS PBLA14 END | 80.662 |
| HIERARCH ESO ISS PBL23 START | 51.879 |
| HIERARCH ESO ISS PBL23 END | 51.703 |
| HIERARCH ESO ISS PBLA23 START | 67.6 |
| HIERARCH ESO ISS PBLA23 END | 69.3 |
| HIERARCH ESO ISS PBL24 START | 63.771 |
| HIERARCH ESO ISS PBL24 END | 63.478 |
| HIERARCH ESO ISS PBLA24 START | 39.154 |
| HIERARCH ESO ISS PBLA24 END | 40.543 |
| HIERARCH ESO ISS PBL34 START | 30.688 |
| HIERARCH ESO ISS PBL34 END | 30.753 |
| HIERARCH ESO ISS PBLA34 START | 345.455 |
| HIERARCH ESO ISS PBLA34 END | 346.675 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006712 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006102 |
| HIERARCH ESO ISS AMBI TEMP | 18.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.64 |
| HIERARCH ESO ISS AMBI FWHM END | 0.63 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |