Exposure
- ID
- GRAVI.2025-07-31T08:57:30.492_1
- Header ID
- GRAVI.2025-07-31T08:57:30.492
- Date updated
- 2025-07-31 09:10:58 UTC+0000
- Release date
- 2026-01-27 09:10:57 UTC+0000
- UTC Start
- 2025-07-31 08:57:30.492
- UTC End
- 2025-07-31 09:00:10.492
- MJD Start
- 60887.37326958
- MJD End
- 60887.375121431854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001783
- Ambient temperature (°C)
- 8.39
- Seeing (arcsec)
- 1.57
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 | 90.3050 | 90.3460 | 122.1000 | 122.6000 |
| A0-J2 | 128.4780 | 128.3570 | 101.1000 | 101.7000 |
| A0-K0 | 123.6710 | 123.3910 | 80.7850 | 81.3140 |
| G1-J2 | 54.6720 | 54.5160 | 65.0000 | 65.4000 |
| G1-K0 | 81.6480 | 81.4620 | 33.9180 | 34.2740 |
| J2-K0 | 44.8030 | 44.8170 | 354.9050 | 355.2500 |
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 | 60887.37326958 |
| 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 | 90.305 |
| HIERARCH ESO ISS PBL12 END | 90.346 |
| HIERARCH ESO ISS PBLA12 START | 122.1 |
| HIERARCH ESO ISS PBLA12 END | 122.6 |
| HIERARCH ESO ISS PBL13 START | 128.478 |
| HIERARCH ESO ISS PBL13 END | 128.357 |
| HIERARCH ESO ISS PBLA13 START | 101.1 |
| HIERARCH ESO ISS PBLA13 END | 101.7 |
| HIERARCH ESO ISS PBL14 START | 123.671 |
| HIERARCH ESO ISS PBL14 END | 123.391 |
| HIERARCH ESO ISS PBLA14 START | 80.785 |
| HIERARCH ESO ISS PBLA14 END | 81.314 |
| HIERARCH ESO ISS PBL23 START | 54.672 |
| HIERARCH ESO ISS PBL23 END | 54.516 |
| HIERARCH ESO ISS PBLA23 START | 65.0 |
| HIERARCH ESO ISS PBLA23 END | 65.4 |
| HIERARCH ESO ISS PBL24 START | 81.648 |
| HIERARCH ESO ISS PBL24 END | 81.462 |
| HIERARCH ESO ISS PBLA24 START | 33.918 |
| HIERARCH ESO ISS PBLA24 END | 34.274 |
| HIERARCH ESO ISS PBL34 START | 44.803 |
| HIERARCH ESO ISS PBL34 END | 44.817 |
| HIERARCH ESO ISS PBLA34 START | 354.905 |
| HIERARCH ESO ISS PBLA34 END | 355.25 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001783 |
| HIERARCH ESO ISS AMBI TEMP | 8.39 |
| HIERARCH ESO ISS AMBI FWHM START | 1.57 |
| HIERARCH ESO ISS AMBI FWHM END | 1.57 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6723 |