Exposure
- ID
- GRAVI.2025-07-31T07:40:39.296_2
- Header ID
- GRAVI.2025-07-31T07:40:39.296
- Date updated
- 2025-07-31 07:51:10 UTC+0000
- Release date
- 2026-01-27 07:51:10 UTC+0000
- UTC Start
- 2025-07-31 07:40:39.296
- UTC End
- 2025-07-31 07:43:19.296
- MJD Start
- 60887.31989926
- MJD End
- 60887.32175111186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 7.95
- Seeing (arcsec)
- 1.62
Observation
- ID
- 68982
- Category
- science
- Program ID
- 115.27YJ.003
- 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 | 87.3130 | 87.5020 | 108.4000 | 108.9000 |
| A0-J2 | 128.4330 | 128.5510 | 86.6000 | 87.1000 |
| A0-K0 | 127.8300 | 127.7770 | 66.7560 | 67.2940 |
| G1-J2 | 57.4560 | 57.3910 | 52.1000 | 52.6000 |
| G1-K0 | 85.3450 | 85.2410 | 23.9250 | 24.3170 |
| J2-K0 | 44.0730 | 44.1140 | 345.8900 | 346.2180 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60887.31989926 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581393 |
| 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 | 87.313 |
| HIERARCH ESO ISS PBL12 END | 87.502 |
| HIERARCH ESO ISS PBLA12 START | 108.4 |
| HIERARCH ESO ISS PBLA12 END | 108.9 |
| HIERARCH ESO ISS PBL13 START | 128.433 |
| HIERARCH ESO ISS PBL13 END | 128.551 |
| HIERARCH ESO ISS PBLA13 START | 86.6 |
| HIERARCH ESO ISS PBLA13 END | 87.1 |
| HIERARCH ESO ISS PBL14 START | 127.83 |
| HIERARCH ESO ISS PBL14 END | 127.777 |
| HIERARCH ESO ISS PBLA14 START | 66.756 |
| HIERARCH ESO ISS PBLA14 END | 67.294 |
| HIERARCH ESO ISS PBL23 START | 57.456 |
| HIERARCH ESO ISS PBL23 END | 57.391 |
| HIERARCH ESO ISS PBLA23 START | 52.1 |
| HIERARCH ESO ISS PBLA23 END | 52.6 |
| HIERARCH ESO ISS PBL24 START | 85.345 |
| HIERARCH ESO ISS PBL24 END | 85.241 |
| HIERARCH ESO ISS PBLA24 START | 23.925 |
| HIERARCH ESO ISS PBLA24 END | 24.317 |
| HIERARCH ESO ISS PBL34 START | 44.073 |
| HIERARCH ESO ISS PBL34 END | 44.114 |
| HIERARCH ESO ISS PBLA34 START | 345.89 |
| HIERARCH ESO ISS PBLA34 END | 346.218 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 7.95 |
| HIERARCH ESO ISS AMBI FWHM START | 1.62 |
| HIERARCH ESO ISS AMBI FWHM END | 1.62 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.175 |
| HIERARCH ESO FT ROBJ DELTA | -490430.671 |