Exposure
- ID
- GRAVI.2025-07-15T08:47:38.549_2
- Header ID
- GRAVI.2025-07-15T08:47:38.549
- 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 08:47:38.549
- UTC End
- 2025-07-15 08:50:18.549
- MJD Start
- 60871.36641839
- MJD End
- 60871.36827024185
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0055285
- Ambient temperature (°C)
- 11.16
- Seeing (arcsec)
- 0.42000000000000004
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 | 87.5740 | 87.7550 | 109.1000 | 109.6000 |
| A0-J2 | 128.5940 | 128.6990 | 87.3000 | 87.9000 |
| A0-K0 | 127.7550 | 127.6910 | 67.5150 | 68.0630 |
| G1-J2 | 57.3650 | 57.2950 | 52.8000 | 53.3000 |
| G1-K0 | 85.1990 | 85.0900 | 24.4800 | 24.8810 |
| J2-K0 | 44.1300 | 44.1710 | 346.3570 | 346.6980 |
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 | 60871.36641839 |
| 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 | 87.574 |
| HIERARCH ESO ISS PBL12 END | 87.755 |
| HIERARCH ESO ISS PBLA12 START | 109.1 |
| HIERARCH ESO ISS PBLA12 END | 109.6 |
| HIERARCH ESO ISS PBL13 START | 128.594 |
| HIERARCH ESO ISS PBL13 END | 128.699 |
| HIERARCH ESO ISS PBLA13 START | 87.3 |
| HIERARCH ESO ISS PBLA13 END | 87.9 |
| HIERARCH ESO ISS PBL14 START | 127.755 |
| HIERARCH ESO ISS PBL14 END | 127.691 |
| HIERARCH ESO ISS PBLA14 START | 67.515 |
| HIERARCH ESO ISS PBLA14 END | 68.063 |
| HIERARCH ESO ISS PBL23 START | 57.365 |
| HIERARCH ESO ISS PBL23 END | 57.295 |
| HIERARCH ESO ISS PBLA23 START | 52.8 |
| HIERARCH ESO ISS PBLA23 END | 53.3 |
| HIERARCH ESO ISS PBL24 START | 85.199 |
| HIERARCH ESO ISS PBL24 END | 85.09 |
| HIERARCH ESO ISS PBLA24 START | 24.48 |
| HIERARCH ESO ISS PBLA24 END | 24.881 |
| HIERARCH ESO ISS PBL34 START | 44.13 |
| HIERARCH ESO ISS PBL34 END | 44.171 |
| HIERARCH ESO ISS PBLA34 START | 346.357 |
| HIERARCH ESO ISS PBLA34 END | 346.698 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004951 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006106 |
| HIERARCH ESO ISS AMBI TEMP | 11.16 |
| HIERARCH ESO ISS AMBI FWHM START | 0.45 |
| HIERARCH ESO ISS AMBI FWHM END | 0.39 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1752 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6712 |