Exposure
- ID
- GRAVI.2025-07-15T08:32:11.510_2
- Header ID
- GRAVI.2025-07-15T08:32:11.510
- Date updated
- 2025-07-15 08:45:51 UTC+0000
- Release date
- 2026-01-11 08:45:51 UTC+0000
- UTC Start
- 2025-07-15 08:32:11.510
- UTC End
- 2025-07-15 08:34:51.510
- MJD Start
- 60871.35568877
- MJD End
- 60871.35754062186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055685000000000005
- Ambient temperature (°C)
- 11.21
- Seeing (arcsec)
- 0.47
Observation
- ID
- 68796
- Category
- science
- Program ID
- 115.27YJ.001
- 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
- 51186
- Name
- HD142B
- RA
- 1.5796949999999998
- DEC
- -49.07619855555556
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- A0 G1 J2 K0
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 86.5290 | 86.7430 | 106.4000 | 106.9000 |
| A0-J2 | 127.8980 | 128.0510 | 84.4000 | 85.0000 |
| A0-K0 | 127.9580 | 127.9360 | 64.6400 | 65.1960 |
| G1-J2 | 57.6770 | 57.6240 | 50.2000 | 50.7000 |
| G1-K0 | 85.7230 | 85.6280 | 22.3770 | 22.7840 |
| J2-K0 | 43.9000 | 43.9460 | 344.6020 | 344.9380 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 115.27YJ.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60871.35568877 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142A |
| RA | 1.581384 |
| 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 | 86.529 |
| HIERARCH ESO ISS PBL12 END | 86.743 |
| HIERARCH ESO ISS PBLA12 START | 106.4 |
| HIERARCH ESO ISS PBLA12 END | 106.9 |
| HIERARCH ESO ISS PBL13 START | 127.898 |
| HIERARCH ESO ISS PBL13 END | 128.051 |
| HIERARCH ESO ISS PBLA13 START | 84.4 |
| HIERARCH ESO ISS PBLA13 END | 85.0 |
| HIERARCH ESO ISS PBL14 START | 127.958 |
| HIERARCH ESO ISS PBL14 END | 127.936 |
| HIERARCH ESO ISS PBLA14 START | 64.64 |
| HIERARCH ESO ISS PBLA14 END | 65.196 |
| HIERARCH ESO ISS PBL23 START | 57.677 |
| HIERARCH ESO ISS PBL23 END | 57.624 |
| HIERARCH ESO ISS PBLA23 START | 50.2 |
| HIERARCH ESO ISS PBLA23 END | 50.7 |
| HIERARCH ESO ISS PBL24 START | 85.723 |
| HIERARCH ESO ISS PBL24 END | 85.628 |
| HIERARCH ESO ISS PBLA24 START | 22.377 |
| HIERARCH ESO ISS PBLA24 END | 22.784 |
| HIERARCH ESO ISS PBL34 START | 43.9 |
| HIERARCH ESO ISS PBL34 END | 43.946 |
| HIERARCH ESO ISS PBLA34 START | 344.602 |
| HIERARCH ESO ISS PBLA34 END | 344.938 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005576 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005561 |
| HIERARCH ESO ISS AMBI TEMP | 11.21 |
| HIERARCH ESO ISS AMBI FWHM START | 0.43 |
| HIERARCH ESO ISS AMBI FWHM END | 0.51 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1268 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3148 |