Exposure
- ID
- GRAVI.2025-07-31T08:46:33.464_1
- Header ID
- GRAVI.2025-07-31T08:46:33.464
- Date updated
- 2025-07-31 09:00:49 UTC+0000
- Release date
- 2026-01-27 09:00:48 UTC+0000
- UTC Start
- 2025-07-31 08:46:33.464
- UTC End
- 2025-07-31 08:49:13.464
- MJD Start
- 60887.36566509
- MJD End
- 60887.36751694186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001783
- Ambient temperature (°C)
- 7.87
- Seeing (arcsec)
- 1.6400000000000001
Observation
- ID
- 68983
- 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
- 51315
- Name
- HD142A
- RA
- 1.581393
- DEC
- -49.07592
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 90.1090 | 90.1680 | 120.1000 | 120.6000 |
| A0-J2 | 128.8490 | 128.7610 | 99.0000 | 99.6000 |
| A0-K0 | 124.6300 | 124.3840 | 78.8000 | 79.3260 |
| G1-J2 | 55.2160 | 55.0750 | 63.2000 | 63.7000 |
| G1-K0 | 82.3080 | 82.1340 | 32.5560 | 32.9170 |
| J2-K0 | 44.7430 | 44.7610 | 353.6010 | 353.9440 |
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 | 60887.36566509 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| 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 | 90.109 |
| HIERARCH ESO ISS PBL12 END | 90.168 |
| HIERARCH ESO ISS PBLA12 START | 120.1 |
| HIERARCH ESO ISS PBLA12 END | 120.6 |
| HIERARCH ESO ISS PBL13 START | 128.849 |
| HIERARCH ESO ISS PBL13 END | 128.761 |
| HIERARCH ESO ISS PBLA13 START | 99.0 |
| HIERARCH ESO ISS PBLA13 END | 99.6 |
| HIERARCH ESO ISS PBL14 START | 124.63 |
| HIERARCH ESO ISS PBL14 END | 124.384 |
| HIERARCH ESO ISS PBLA14 START | 78.8 |
| HIERARCH ESO ISS PBLA14 END | 79.326 |
| HIERARCH ESO ISS PBL23 START | 55.216 |
| HIERARCH ESO ISS PBL23 END | 55.075 |
| HIERARCH ESO ISS PBLA23 START | 63.2 |
| HIERARCH ESO ISS PBLA23 END | 63.7 |
| HIERARCH ESO ISS PBL24 START | 82.308 |
| HIERARCH ESO ISS PBL24 END | 82.134 |
| HIERARCH ESO ISS PBLA24 START | 32.556 |
| HIERARCH ESO ISS PBLA24 END | 32.917 |
| HIERARCH ESO ISS PBL34 START | 44.743 |
| HIERARCH ESO ISS PBL34 END | 44.761 |
| HIERARCH ESO ISS PBLA34 START | 353.601 |
| HIERARCH ESO ISS PBLA34 END | 353.944 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001783 |
| HIERARCH ESO ISS AMBI TEMP | 7.87 |
| HIERARCH ESO ISS AMBI FWHM START | 1.71 |
| HIERARCH ESO ISS AMBI FWHM END | 1.57 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3177 |