Exposure
- ID
- GRAVI.2025-07-31T08:07:18.364_2
- Header ID
- GRAVI.2025-07-31T08:07:18.364
- 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 08:07:18.364
- UTC End
- 2025-07-31 08:09:58.364
- MJD Start
- 60887.33840699
- MJD End
- 60887.340258841854
- 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
- 68985
- 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
- 51317
- Name
- HD142A
- RA
- 1.5798970833333332
- DEC
- -49.07518655555556
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 | 88.7940 | 88.9280 | 113.1000 | 113.6000 |
| A0-J2 | 129.1570 | 129.1910 | 91.6000 | 92.2000 |
| A0-K0 | 127.0580 | 126.9300 | 71.6580 | 72.2000 |
| G1-J2 | 56.7560 | 56.6620 | 56.7000 | 57.2000 |
| G1-K0 | 84.3000 | 84.1690 | 27.4940 | 27.8840 |
| J2-K0 | 44.4100 | 44.4410 | 348.9660 | 349.3120 |
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 | 60887.33840699 |
| 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 | 88.794 |
| HIERARCH ESO ISS PBL12 END | 88.928 |
| HIERARCH ESO ISS PBLA12 START | 113.1 |
| HIERARCH ESO ISS PBLA12 END | 113.6 |
| HIERARCH ESO ISS PBL13 START | 129.157 |
| HIERARCH ESO ISS PBL13 END | 129.191 |
| HIERARCH ESO ISS PBLA13 START | 91.6 |
| HIERARCH ESO ISS PBLA13 END | 92.2 |
| HIERARCH ESO ISS PBL14 START | 127.058 |
| HIERARCH ESO ISS PBL14 END | 126.93 |
| HIERARCH ESO ISS PBLA14 START | 71.658 |
| HIERARCH ESO ISS PBLA14 END | 72.2 |
| HIERARCH ESO ISS PBL23 START | 56.756 |
| HIERARCH ESO ISS PBL23 END | 56.662 |
| HIERARCH ESO ISS PBLA23 START | 56.7 |
| HIERARCH ESO ISS PBLA23 END | 57.2 |
| HIERARCH ESO ISS PBL24 START | 84.3 |
| HIERARCH ESO ISS PBL24 END | 84.169 |
| HIERARCH ESO ISS PBLA24 START | 27.494 |
| HIERARCH ESO ISS PBLA24 END | 27.884 |
| HIERARCH ESO ISS PBL34 START | 44.41 |
| HIERARCH ESO ISS PBL34 END | 44.441 |
| HIERARCH ESO ISS PBLA34 START | 348.966 |
| HIERARCH ESO ISS PBLA34 END | 349.312 |
| 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 |