Exposure
- ID
- GRAVI.2025-07-31T08:03:51.355_1
- Header ID
- GRAVI.2025-07-31T08:03:51.355
- Date updated
- 2025-07-31 08:15:42 UTC+0000
- Release date
- 2026-01-27 08:15:42 UTC+0000
- UTC Start
- 2025-07-31 08:03:51.355
- UTC End
- 2025-07-31 08:06:31.355
- MJD Start
- 60887.33601105
- MJD End
- 60887.337862901855
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.003056
- Ambient temperature (°C)
- 7.96
- Seeing (arcsec)
- 1.24
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 | 88.6310 | 88.7710 | 112.5000 | 113.0000 |
| A0-J2 | 129.1060 | 129.1500 | 91.0000 | 91.5000 |
| A0-K0 | 127.1960 | 127.0780 | 71.0310 | 71.5610 |
| G1-J2 | 56.8610 | 56.7720 | 56.1000 | 56.6000 |
| G1-K0 | 84.4480 | 84.3210 | 27.0400 | 27.4210 |
| J2-K0 | 44.3710 | 44.4040 | 348.5660 | 348.9000 |
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 | 60887.33601105 |
| 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 | 88.631 |
| HIERARCH ESO ISS PBL12 END | 88.771 |
| HIERARCH ESO ISS PBLA12 START | 112.5 |
| HIERARCH ESO ISS PBLA12 END | 113.0 |
| HIERARCH ESO ISS PBL13 START | 129.106 |
| HIERARCH ESO ISS PBL13 END | 129.15 |
| HIERARCH ESO ISS PBLA13 START | 91.0 |
| HIERARCH ESO ISS PBLA13 END | 91.5 |
| HIERARCH ESO ISS PBL14 START | 127.196 |
| HIERARCH ESO ISS PBL14 END | 127.078 |
| HIERARCH ESO ISS PBLA14 START | 71.031 |
| HIERARCH ESO ISS PBLA14 END | 71.561 |
| HIERARCH ESO ISS PBL23 START | 56.861 |
| HIERARCH ESO ISS PBL23 END | 56.772 |
| HIERARCH ESO ISS PBLA23 START | 56.1 |
| HIERARCH ESO ISS PBLA23 END | 56.6 |
| HIERARCH ESO ISS PBL24 START | 84.448 |
| HIERARCH ESO ISS PBL24 END | 84.321 |
| HIERARCH ESO ISS PBLA24 START | 27.04 |
| HIERARCH ESO ISS PBLA24 END | 27.421 |
| HIERARCH ESO ISS PBL34 START | 44.371 |
| HIERARCH ESO ISS PBL34 END | 44.404 |
| HIERARCH ESO ISS PBLA34 START | 348.566 |
| HIERARCH ESO ISS PBLA34 END | 348.9 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003056 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003056 |
| HIERARCH ESO ISS AMBI TEMP | 7.96 |
| HIERARCH ESO ISS AMBI FWHM START | 1.24 |
| HIERARCH ESO ISS AMBI FWHM END | 1.24 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6716 |