Exposure
- ID
- GRAVI.2025-07-15T08:44:14.540_2
- Header ID
- GRAVI.2025-07-15T08:44:14.540
- Date updated
- 2025-07-15 08:55:38 UTC+0000
- Release date
- 2026-01-11 08:55:38 UTC+0000
- UTC Start
- 2025-07-15 08:44:14.540
- UTC End
- 2025-07-15 08:46:54.540
- MJD Start
- 60871.36405718
- MJD End
- 60871.365909031854
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0054345
- Ambient temperature (°C)
- 11.16
- Seeing (arcsec)
- 0.445
Observation
- ID
- 68797
- 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
- 51187
- Name
- HD142A
- RA
- 1.5798966666666665
- DEC
- -49.07518644444445
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 | 87.3560 | 87.5450 | 108.5000 | 109.0000 |
| A0-J2 | 128.4610 | 128.5770 | 86.7000 | 87.2000 |
| A0-K0 | 127.8190 | 127.7640 | 66.8780 | 67.4280 |
| G1-J2 | 57.4410 | 57.3750 | 52.2000 | 52.8000 |
| G1-K0 | 85.3210 | 85.2160 | 24.0140 | 24.4170 |
| J2-K0 | 44.0820 | 44.1240 | 345.9640 | 346.3040 |
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 | 60871.36405718 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | HD 142 |
| HIERARCH ESO INS SOBJ NAME | HD142B |
| 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 | 87.356 |
| HIERARCH ESO ISS PBL12 END | 87.545 |
| HIERARCH ESO ISS PBLA12 START | 108.5 |
| HIERARCH ESO ISS PBLA12 END | 109.0 |
| HIERARCH ESO ISS PBL13 START | 128.461 |
| HIERARCH ESO ISS PBL13 END | 128.577 |
| HIERARCH ESO ISS PBLA13 START | 86.7 |
| HIERARCH ESO ISS PBLA13 END | 87.2 |
| HIERARCH ESO ISS PBL14 START | 127.819 |
| HIERARCH ESO ISS PBL14 END | 127.764 |
| HIERARCH ESO ISS PBLA14 START | 66.878 |
| HIERARCH ESO ISS PBLA14 END | 67.428 |
| HIERARCH ESO ISS PBL23 START | 57.441 |
| HIERARCH ESO ISS PBL23 END | 57.375 |
| HIERARCH ESO ISS PBLA23 START | 52.2 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 85.321 |
| HIERARCH ESO ISS PBL24 END | 85.216 |
| HIERARCH ESO ISS PBLA24 START | 24.014 |
| HIERARCH ESO ISS PBLA24 END | 24.417 |
| HIERARCH ESO ISS PBL34 START | 44.082 |
| HIERARCH ESO ISS PBL34 END | 44.124 |
| HIERARCH ESO ISS PBLA34 START | 345.964 |
| HIERARCH ESO ISS PBLA34 END | 346.304 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005918 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004951 |
| HIERARCH ESO ISS AMBI TEMP | 11.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.44 |
| HIERARCH ESO ISS AMBI FWHM END | 0.45 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1752 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6712 |