Exposure
- ID
- GRAVI.2025-07-31T08:31:18.425_1
- Header ID
- GRAVI.2025-07-31T08:31:18.425
- Date updated
- 2025-07-31 08:40:45 UTC+0000
- Release date
- 2026-01-27 08:40:44 UTC+0000
- UTC Start
- 2025-07-31 08:31:18.425
- UTC End
- 2025-07-31 08:33:58.425
- MJD Start
- 60887.35507436
- MJD End
- 60887.356926211854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001783
- Ambient temperature (°C)
- 8.28
- Seeing (arcsec)
- 1.84
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 | 89.7160 | 89.8030 | 117.3000 | 117.9000 |
| A0-J2 | 129.1610 | 129.1200 | 96.1000 | 96.7000 |
| A0-K0 | 125.7610 | 125.5610 | 76.0240 | 76.5690 |
| G1-J2 | 55.8900 | 55.7670 | 60.7000 | 61.2000 |
| G1-K0 | 83.1490 | 82.9930 | 30.6120 | 30.9990 |
| J2-K0 | 44.6360 | 44.6590 | 351.7820 | 352.1400 |
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 | 60887.35507436 |
| 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 | 89.716 |
| HIERARCH ESO ISS PBL12 END | 89.803 |
| HIERARCH ESO ISS PBLA12 START | 117.3 |
| HIERARCH ESO ISS PBLA12 END | 117.9 |
| HIERARCH ESO ISS PBL13 START | 129.161 |
| HIERARCH ESO ISS PBL13 END | 129.12 |
| HIERARCH ESO ISS PBLA13 START | 96.1 |
| HIERARCH ESO ISS PBLA13 END | 96.7 |
| HIERARCH ESO ISS PBL14 START | 125.761 |
| HIERARCH ESO ISS PBL14 END | 125.561 |
| HIERARCH ESO ISS PBLA14 START | 76.024 |
| HIERARCH ESO ISS PBLA14 END | 76.569 |
| HIERARCH ESO ISS PBL23 START | 55.89 |
| HIERARCH ESO ISS PBL23 END | 55.767 |
| HIERARCH ESO ISS PBLA23 START | 60.7 |
| HIERARCH ESO ISS PBLA23 END | 61.2 |
| HIERARCH ESO ISS PBL24 START | 83.149 |
| HIERARCH ESO ISS PBL24 END | 82.993 |
| HIERARCH ESO ISS PBLA24 START | 30.612 |
| HIERARCH ESO ISS PBLA24 END | 30.999 |
| HIERARCH ESO ISS PBL34 START | 44.636 |
| HIERARCH ESO ISS PBL34 END | 44.659 |
| HIERARCH ESO ISS PBLA34 START | 351.782 |
| HIERARCH ESO ISS PBLA34 END | 352.14 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001783 |
| HIERARCH ESO ISS AMBI TEMP | 8.28 |
| HIERARCH ESO ISS AMBI FWHM START | 1.84 |
| HIERARCH ESO ISS AMBI FWHM END | 1.84 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6723 |