Exposure
- ID
- GRAVI.2025-07-19T08:33:12.652_2
- Header ID
- GRAVI.2025-07-19T08:33:12.652
- Date updated
- 2025-07-19 15:22:57 UTC+0000
- Release date
- 2026-01-15 15:22:30 UTC+0000
- UTC Start
- 2025-07-19 08:33:12.652
- UTC End
- 2025-07-19 08:35:52.652
- MJD Start
- 60875.35639644
- MJD End
- 60875.35824829186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0048595
- Ambient temperature (°C)
- 12.72
- Seeing (arcsec)
- 0.64
Observation
- ID
- 68866
- Category
- science
- Program ID
- 115.27YJ.002
- Program Title
- ASTROMETRIC DETECTION OF PLANETS AROUND M-DWARFS AND BINARIES WITH GRAVITY
- Program Type
- GTO
- PI / COI
- BOURDAROT / EISENHAUER / KERVELLA / LACOUR / PERRIN / GILLESSEN / PFUHL / PAUMARD / BRANDNER / GARCIA / STRAUBMEIER / LE BOUQUIN / KREIDBERG / HOENIG / WIDMANN / ROUSSELET-PERRAUT / STURM / SHANGGUAN / MÉRAND / SHIMIZU
Target
- ID
- 51234
- Name
- HD142B
- RA
- 1.5796945833333333
- DEC
- -49.07619925
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 | 87.6520 | 87.8290 | 109.3000 | 109.9000 |
| A0-J2 | 128.6400 | 128.7400 | 87.6000 | 88.1000 |
| A0-K0 | 127.7280 | 127.6610 | 67.7520 | 68.2980 |
| G1-J2 | 57.3350 | 57.2650 | 53.1000 | 53.6000 |
| G1-K0 | 85.1520 | 85.0430 | 24.6540 | 25.0530 |
| J2-K0 | 44.1480 | 44.1870 | 346.5060 | 346.8450 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60875.35639644 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| RA | 1.581387 |
| DEC | -49.07592 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 178.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 10.0 |
| HIERARCH ESO DET2 NDIT | 16 |
| HIERARCH ESO ISS PBL12 START | 87.652 |
| HIERARCH ESO ISS PBL12 END | 87.829 |
| HIERARCH ESO ISS PBLA12 START | 109.3 |
| HIERARCH ESO ISS PBLA12 END | 109.9 |
| HIERARCH ESO ISS PBL13 START | 128.64 |
| HIERARCH ESO ISS PBL13 END | 128.74 |
| HIERARCH ESO ISS PBLA13 START | 87.6 |
| HIERARCH ESO ISS PBLA13 END | 88.1 |
| HIERARCH ESO ISS PBL14 START | 127.728 |
| HIERARCH ESO ISS PBL14 END | 127.661 |
| HIERARCH ESO ISS PBLA14 START | 67.752 |
| HIERARCH ESO ISS PBLA14 END | 68.298 |
| HIERARCH ESO ISS PBL23 START | 57.335 |
| HIERARCH ESO ISS PBL23 END | 57.265 |
| HIERARCH ESO ISS PBLA23 START | 53.1 |
| HIERARCH ESO ISS PBLA23 END | 53.6 |
| HIERARCH ESO ISS PBL24 START | 85.152 |
| HIERARCH ESO ISS PBL24 END | 85.043 |
| HIERARCH ESO ISS PBLA24 START | 24.654 |
| HIERARCH ESO ISS PBLA24 END | 25.053 |
| HIERARCH ESO ISS PBL34 START | 44.148 |
| HIERARCH ESO ISS PBL34 END | 44.187 |
| HIERARCH ESO ISS PBLA34 START | 346.506 |
| HIERARCH ESO ISS PBLA34 END | 346.845 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004682 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005037 |
| HIERARCH ESO ISS AMBI TEMP | 12.72 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.65 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3173 |