Exposure
- ID
- GRAVI.2025-02-26T05:32:25.881_2
- Header ID
- GRAVI.2025-02-26T05:32:25.881
- Date updated
- 2025-02-26 05:50:59 UTC+0000
- Release date
- 2026-02-26 05:50:59 UTC+0000
- UTC Start
- 2025-02-26 05:32:25.881
- UTC End
- 2025-02-26 05:39:05.881
- MJD Start
- 60732.2308551
- MJD End
- 60732.23548472963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.007065
- Ambient temperature (°C)
- 18.26
- Seeing (arcsec)
- 0.5900000000000001
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 | 85.2730 | 85.4740 | 109.4000 | 111.1000 |
| A0-J2 | 129.1870 | 129.2090 | 94.5000 | 96.2000 |
| A0-K0 | 123.3380 | 123.0950 | 80.7300 | 82.4180 |
| G1-J2 | 51.6960 | 51.5160 | 69.3000 | 71.0000 |
| G1-K0 | 63.4660 | 63.1630 | 40.5990 | 41.9920 |
| J2-K0 | 30.7550 | 30.8140 | 346.7240 | 347.9430 |
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 | 60732.2308551 |
| 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 | 85.273 |
| HIERARCH ESO ISS PBL12 END | 85.474 |
| HIERARCH ESO ISS PBLA12 START | 109.4 |
| HIERARCH ESO ISS PBLA12 END | 111.1 |
| HIERARCH ESO ISS PBL13 START | 129.187 |
| HIERARCH ESO ISS PBL13 END | 129.209 |
| HIERARCH ESO ISS PBLA13 START | 94.5 |
| HIERARCH ESO ISS PBLA13 END | 96.2 |
| HIERARCH ESO ISS PBL14 START | 123.338 |
| HIERARCH ESO ISS PBL14 END | 123.095 |
| HIERARCH ESO ISS PBLA14 START | 80.73 |
| HIERARCH ESO ISS PBLA14 END | 82.418 |
| HIERARCH ESO ISS PBL23 START | 51.696 |
| HIERARCH ESO ISS PBL23 END | 51.516 |
| HIERARCH ESO ISS PBLA23 START | 69.3 |
| HIERARCH ESO ISS PBLA23 END | 71.0 |
| HIERARCH ESO ISS PBL24 START | 63.466 |
| HIERARCH ESO ISS PBL24 END | 63.163 |
| HIERARCH ESO ISS PBLA24 START | 40.599 |
| HIERARCH ESO ISS PBLA24 END | 41.992 |
| HIERARCH ESO ISS PBL34 START | 30.755 |
| HIERARCH ESO ISS PBL34 END | 30.814 |
| HIERARCH ESO ISS PBLA34 START | 346.724 |
| HIERARCH ESO ISS PBLA34 END | 347.943 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006102 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008028 |
| HIERARCH ESO ISS AMBI TEMP | 18.26 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | CT_Cha |
| HIERARCH ESO FT ROBJ ALPHA | 110409.099 |
| HIERARCH ESO FT ROBJ DELTA | -762719.329 |