Exposure
- ID
- GRAVI.2025-07-31T08:43:09.455_1
- Header ID
- GRAVI.2025-07-31T08:43:09.455
- Date updated
- 2025-07-31 08:55:48 UTC+0000
- Release date
- 2026-01-27 08:55:48 UTC+0000
- UTC Start
- 2025-07-31 08:43:09.455
- UTC End
- 2025-07-31 08:45:49.455
- MJD Start
- 60887.36330388
- MJD End
- 60887.36515573186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001783
- Ambient temperature (°C)
- 7.98
- Seeing (arcsec)
- 1.71
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 | 90.0320 | 90.0980 | 119.5000 | 120.0000 |
| A0-J2 | 128.9400 | 128.8620 | 98.4000 | 98.9000 |
| A0-K0 | 124.9070 | 124.6700 | 78.1650 | 78.7030 |
| G1-J2 | 55.3770 | 55.2390 | 62.6000 | 63.1000 |
| G1-K0 | 82.5060 | 82.3360 | 32.1130 | 32.4860 |
| J2-K0 | 44.7210 | 44.7400 | 353.1820 | 353.5350 |
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 | 60887.36330388 |
| 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 | 90.032 |
| HIERARCH ESO ISS PBL12 END | 90.098 |
| HIERARCH ESO ISS PBLA12 START | 119.5 |
| HIERARCH ESO ISS PBLA12 END | 120.0 |
| HIERARCH ESO ISS PBL13 START | 128.94 |
| HIERARCH ESO ISS PBL13 END | 128.862 |
| HIERARCH ESO ISS PBLA13 START | 98.4 |
| HIERARCH ESO ISS PBLA13 END | 98.9 |
| HIERARCH ESO ISS PBL14 START | 124.907 |
| HIERARCH ESO ISS PBL14 END | 124.67 |
| HIERARCH ESO ISS PBLA14 START | 78.165 |
| HIERARCH ESO ISS PBLA14 END | 78.703 |
| HIERARCH ESO ISS PBL23 START | 55.377 |
| HIERARCH ESO ISS PBL23 END | 55.239 |
| HIERARCH ESO ISS PBLA23 START | 62.6 |
| HIERARCH ESO ISS PBLA23 END | 63.1 |
| HIERARCH ESO ISS PBL24 START | 82.506 |
| HIERARCH ESO ISS PBL24 END | 82.336 |
| HIERARCH ESO ISS PBLA24 START | 32.113 |
| HIERARCH ESO ISS PBLA24 END | 32.486 |
| HIERARCH ESO ISS PBL34 START | 44.721 |
| HIERARCH ESO ISS PBL34 END | 44.74 |
| HIERARCH ESO ISS PBLA34 START | 353.182 |
| HIERARCH ESO ISS PBLA34 END | 353.535 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001783 |
| HIERARCH ESO ISS AMBI TEMP | 7.98 |
| HIERARCH ESO ISS AMBI FWHM START | 1.71 |
| HIERARCH ESO ISS AMBI FWHM END | 1.71 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3177 |