Exposure
- ID
- GRAVI.2025-07-31T08:20:18.397_1
- Header ID
- GRAVI.2025-07-31T08:20:18.397
- Date updated
- 2025-07-31 08:31:20 UTC+0000
- Release date
- 2026-01-27 08:31:20 UTC+0000
- UTC Start
- 2025-07-31 08:20:18.397
- UTC End
- 2025-07-31 08:22:58.397
- MJD Start
- 60887.34743515
- MJD End
- 60887.34928700185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 8.16
- Seeing (arcsec)
- 1.24
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 | 89.3410 | 89.4490 | 115.4000 | 115.9000 |
| A0-J2 | 129.2350 | 129.2280 | 94.1000 | 94.6000 |
| A0-K0 | 126.4280 | 126.2600 | 74.0330 | 74.5720 |
| G1-J2 | 56.3160 | 56.2060 | 58.8000 | 59.3000 |
| G1-K0 | 83.7020 | 83.5570 | 29.2000 | 29.5850 |
| J2-K0 | 44.5410 | 44.5680 | 350.4920 | 350.8410 |
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 | 60887.34743515 |
| 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 | 89.341 |
| HIERARCH ESO ISS PBL12 END | 89.449 |
| HIERARCH ESO ISS PBLA12 START | 115.4 |
| HIERARCH ESO ISS PBLA12 END | 115.9 |
| HIERARCH ESO ISS PBL13 START | 129.235 |
| HIERARCH ESO ISS PBL13 END | 129.228 |
| HIERARCH ESO ISS PBLA13 START | 94.1 |
| HIERARCH ESO ISS PBLA13 END | 94.6 |
| HIERARCH ESO ISS PBL14 START | 126.428 |
| HIERARCH ESO ISS PBL14 END | 126.26 |
| HIERARCH ESO ISS PBLA14 START | 74.033 |
| HIERARCH ESO ISS PBLA14 END | 74.572 |
| HIERARCH ESO ISS PBL23 START | 56.316 |
| HIERARCH ESO ISS PBL23 END | 56.206 |
| HIERARCH ESO ISS PBLA23 START | 58.8 |
| HIERARCH ESO ISS PBLA23 END | 59.3 |
| HIERARCH ESO ISS PBL24 START | 83.702 |
| HIERARCH ESO ISS PBL24 END | 83.557 |
| HIERARCH ESO ISS PBLA24 START | 29.2 |
| HIERARCH ESO ISS PBLA24 END | 29.585 |
| HIERARCH ESO ISS PBL34 START | 44.541 |
| HIERARCH ESO ISS PBL34 END | 44.568 |
| HIERARCH ESO ISS PBLA34 START | 350.492 |
| HIERARCH ESO ISS PBLA34 END | 350.841 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 8.16 |
| HIERARCH ESO ISS AMBI FWHM START | 1.24 |
| HIERARCH ESO ISS AMBI FWHM END | 1.24 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1267 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3177 |