Exposure
- ID
- GRAVI.2025-07-15T08:21:17.482_2
- Header ID
- GRAVI.2025-07-15T08:21:17.482
- Date updated
- 2025-07-15 08:30:55 UTC+0000
- Release date
- 2026-01-11 08:30:55 UTC+0000
- UTC Start
- 2025-07-15 08:21:17.482
- UTC End
- 2025-07-15 08:23:57.482
- MJD Start
- 60871.348119
- MJD End
- 60871.34997085186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005043499999999999
- Ambient temperature (°C)
- 11.3
- Seeing (arcsec)
- 0.435
Observation
- ID
- 68794
- Category
- science
- Program ID
- 115.27YJ.001
- 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
- 42017
- Name
- HD142A
- RA
- 1.5798958333333333
- DEC
- -49.075186388888895
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 | 85.6890 | 85.9250 | 104.5000 | 105.0000 |
| A0-J2 | 127.2600 | 127.4440 | 82.3000 | 82.9000 |
| A0-K0 | 127.9760 | 127.9810 | 62.5840 | 63.1390 |
| G1-J2 | 57.8510 | 57.8080 | 48.3000 | 48.8000 |
| G1-K0 | 86.0520 | 85.9660 | 20.8700 | 21.2750 |
| J2-K0 | 43.7170 | 43.7680 | 343.3750 | 343.7020 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60871.348119 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581384 |
| 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 | 85.689 |
| HIERARCH ESO ISS PBL12 END | 85.925 |
| HIERARCH ESO ISS PBLA12 START | 104.5 |
| HIERARCH ESO ISS PBLA12 END | 105.0 |
| HIERARCH ESO ISS PBL13 START | 127.26 |
| HIERARCH ESO ISS PBL13 END | 127.444 |
| HIERARCH ESO ISS PBLA13 START | 82.3 |
| HIERARCH ESO ISS PBLA13 END | 82.9 |
| HIERARCH ESO ISS PBL14 START | 127.976 |
| HIERARCH ESO ISS PBL14 END | 127.981 |
| HIERARCH ESO ISS PBLA14 START | 62.584 |
| HIERARCH ESO ISS PBLA14 END | 63.139 |
| HIERARCH ESO ISS PBL23 START | 57.851 |
| HIERARCH ESO ISS PBL23 END | 57.808 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 86.052 |
| HIERARCH ESO ISS PBL24 END | 85.966 |
| HIERARCH ESO ISS PBLA24 START | 20.87 |
| HIERARCH ESO ISS PBLA24 END | 21.275 |
| HIERARCH ESO ISS PBL34 START | 43.717 |
| HIERARCH ESO ISS PBL34 END | 43.768 |
| HIERARCH ESO ISS PBLA34 START | 343.375 |
| HIERARCH ESO ISS PBLA34 END | 343.702 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00546 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004627 |
| HIERARCH ESO ISS AMBI TEMP | 11.3 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.671 |