Exposure
- ID
- GRAVI.2025-07-15T09:00:14.581_2
- Header ID
- GRAVI.2025-07-15T09:00:14.581
- Date updated
- 2025-07-15 09:10:46 UTC+0000
- Release date
- 2026-01-11 09:10:46 UTC+0000
- UTC Start
- 2025-07-15 09:00:14.581
- UTC End
- 2025-07-15 09:02:54.581
- MJD Start
- 60871.37516876
- MJD End
- 60871.37702061186
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055119999999999995
- Ambient temperature (°C)
- 11.13
- Seeing (arcsec)
- 0.515
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 | 88.2990 | 88.4540 | 111.3000 | 111.8000 |
| A0-J2 | 128.9750 | 129.0400 | 89.7000 | 90.3000 |
| A0-K0 | 127.4260 | 127.3260 | 69.8390 | 70.3830 |
| G1-J2 | 57.0480 | 56.9650 | 55.0000 | 55.5000 |
| G1-K0 | 84.7170 | 84.5960 | 26.1760 | 26.5710 |
| J2-K0 | 44.2940 | 44.3300 | 347.8120 | 348.1560 |
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 | 60871.37516876 |
| 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 | 88.299 |
| HIERARCH ESO ISS PBL12 END | 88.454 |
| HIERARCH ESO ISS PBLA12 START | 111.3 |
| HIERARCH ESO ISS PBLA12 END | 111.8 |
| HIERARCH ESO ISS PBL13 START | 128.975 |
| HIERARCH ESO ISS PBL13 END | 129.04 |
| HIERARCH ESO ISS PBLA13 START | 89.7 |
| HIERARCH ESO ISS PBLA13 END | 90.3 |
| HIERARCH ESO ISS PBL14 START | 127.426 |
| HIERARCH ESO ISS PBL14 END | 127.326 |
| HIERARCH ESO ISS PBLA14 START | 69.839 |
| HIERARCH ESO ISS PBLA14 END | 70.383 |
| HIERARCH ESO ISS PBL23 START | 57.048 |
| HIERARCH ESO ISS PBL23 END | 56.965 |
| HIERARCH ESO ISS PBLA23 START | 55.0 |
| HIERARCH ESO ISS PBLA23 END | 55.5 |
| HIERARCH ESO ISS PBL24 START | 84.717 |
| HIERARCH ESO ISS PBL24 END | 84.596 |
| HIERARCH ESO ISS PBLA24 START | 26.176 |
| HIERARCH ESO ISS PBLA24 END | 26.571 |
| HIERARCH ESO ISS PBL34 START | 44.294 |
| HIERARCH ESO ISS PBL34 END | 44.33 |
| HIERARCH ESO ISS PBLA34 START | 347.812 |
| HIERARCH ESO ISS PBLA34 END | 348.156 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00518 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005844 |
| HIERARCH ESO ISS AMBI TEMP | 11.13 |
| HIERARCH ESO ISS AMBI FWHM START | 0.56 |
| HIERARCH ESO ISS AMBI FWHM END | 0.47 |
| HIERARCH ESO FT ROBJ NAME | HD142B |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1268 |
| HIERARCH ESO FT ROBJ DELTA | -490434.3148 |