Exposure
- ID
- GRAVI.2025-07-19T08:45:09.683_1
- Header ID
- GRAVI.2025-07-19T08:45:09.683
- Date updated
- 2025-07-19 15:22:57 UTC+0000
- Release date
- 2026-01-15 15:22:30 UTC+0000
- UTC Start
- 2025-07-19 08:45:09.683
- UTC End
- 2025-07-19 08:47:49.683
- MJD Start
- 60875.3646954
- MJD End
- 60875.366547251855
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0039594999999999995
- Ambient temperature (°C)
- 12.53
- Seeing (arcsec)
- 0.745
Observation
- ID
- 68863
- Category
- science
- Program ID
- 115.27YJ.002
- 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
- 51232
- Name
- HD142B
- RA
- 1.581387
- DEC
- -49.07592
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 88.3320 | 88.4850 | 111.4000 | 112.0000 |
| A0-J2 | 128.9900 | 129.0530 | 89.8000 | 90.4000 |
| A0-K0 | 127.4050 | 127.3040 | 69.9540 | 70.4950 |
| G1-J2 | 57.0310 | 56.9470 | 55.1000 | 55.6000 |
| G1-K0 | 84.6910 | 84.5700 | 26.2590 | 26.6520 |
| J2-K0 | 44.3020 | 44.3370 | 347.8840 | 348.2260 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60875.3646954 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| RA | 1.581387 |
| 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 | 88.332 |
| HIERARCH ESO ISS PBL12 END | 88.485 |
| HIERARCH ESO ISS PBLA12 START | 111.4 |
| HIERARCH ESO ISS PBLA12 END | 112.0 |
| HIERARCH ESO ISS PBL13 START | 128.99 |
| HIERARCH ESO ISS PBL13 END | 129.053 |
| HIERARCH ESO ISS PBLA13 START | 89.8 |
| HIERARCH ESO ISS PBLA13 END | 90.4 |
| HIERARCH ESO ISS PBL14 START | 127.405 |
| HIERARCH ESO ISS PBL14 END | 127.304 |
| HIERARCH ESO ISS PBLA14 START | 69.954 |
| HIERARCH ESO ISS PBLA14 END | 70.495 |
| HIERARCH ESO ISS PBL23 START | 57.031 |
| HIERARCH ESO ISS PBL23 END | 56.947 |
| HIERARCH ESO ISS PBLA23 START | 55.1 |
| HIERARCH ESO ISS PBLA23 END | 55.6 |
| HIERARCH ESO ISS PBL24 START | 84.691 |
| HIERARCH ESO ISS PBL24 END | 84.57 |
| HIERARCH ESO ISS PBLA24 START | 26.259 |
| HIERARCH ESO ISS PBLA24 END | 26.652 |
| HIERARCH ESO ISS PBL34 START | 44.302 |
| HIERARCH ESO ISS PBL34 END | 44.337 |
| HIERARCH ESO ISS PBLA34 START | 347.884 |
| HIERARCH ESO ISS PBLA34 END | 348.226 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003759 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00416 |
| HIERARCH ESO ISS AMBI TEMP | 12.53 |
| HIERARCH ESO ISS AMBI FWHM START | 0.79 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6708 |