Exposure
- ID
- GRAVI.2025-07-31T07:37:12.287_1
- Header ID
- GRAVI.2025-07-31T07:37:12.287
- 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 07:37:12.287
- UTC End
- 2025-07-31 07:39:52.287
- MJD Start
- 60887.31750332
- MJD End
- 60887.31935517186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 8.14
- Seeing (arcsec)
- 1.62
Observation
- ID
- 68981
- 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
- 51314
- Name
- HD142B
- RA
- 1.581393
- DEC
- -49.07592
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 87.0830 | 87.2790 | 107.8000 | 108.3000 |
| A0-J2 | 128.2840 | 128.4120 | 85.9000 | 86.5000 |
| A0-K0 | 127.8810 | 127.8380 | 66.1110 | 66.6510 |
| G1-J2 | 57.5280 | 57.4670 | 51.5000 | 52.0000 |
| G1-K0 | 85.4650 | 85.3630 | 23.4530 | 23.8470 |
| J2-K0 | 44.0220 | 44.0650 | 345.4940 | 345.8220 |
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 | 60887.31750332 |
| 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 | 87.083 |
| HIERARCH ESO ISS PBL12 END | 87.279 |
| HIERARCH ESO ISS PBLA12 START | 107.8 |
| HIERARCH ESO ISS PBLA12 END | 108.3 |
| HIERARCH ESO ISS PBL13 START | 128.284 |
| HIERARCH ESO ISS PBL13 END | 128.412 |
| HIERARCH ESO ISS PBLA13 START | 85.9 |
| HIERARCH ESO ISS PBLA13 END | 86.5 |
| HIERARCH ESO ISS PBL14 START | 127.881 |
| HIERARCH ESO ISS PBL14 END | 127.838 |
| HIERARCH ESO ISS PBLA14 START | 66.111 |
| HIERARCH ESO ISS PBLA14 END | 66.651 |
| HIERARCH ESO ISS PBL23 START | 57.528 |
| HIERARCH ESO ISS PBL23 END | 57.467 |
| HIERARCH ESO ISS PBLA23 START | 51.5 |
| HIERARCH ESO ISS PBLA23 END | 52.0 |
| HIERARCH ESO ISS PBL24 START | 85.465 |
| HIERARCH ESO ISS PBL24 END | 85.363 |
| HIERARCH ESO ISS PBLA24 START | 23.453 |
| HIERARCH ESO ISS PBLA24 END | 23.847 |
| HIERARCH ESO ISS PBL34 START | 44.022 |
| HIERARCH ESO ISS PBL34 END | 44.065 |
| HIERARCH ESO ISS PBLA34 START | 345.494 |
| HIERARCH ESO ISS PBLA34 END | 345.822 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 8.14 |
| 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 |