Exposure
- ID
- GRAVI.2025-07-31T08:54:03.482_2
- Header ID
- GRAVI.2025-07-31T08:54:03.482
- Date updated
- 2025-07-31 09:05:53 UTC+0000
- Release date
- 2026-01-27 09:05:53 UTC+0000
- UTC Start
- 2025-07-31 08:54:03.482
- UTC End
- 2025-07-31 08:56:43.482
- MJD Start
- 60887.37087364
- MJD End
- 60887.372725491856
- Exposure time (s)
- 160.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.001783
- Ambient temperature (°C)
- 8.35
- Seeing (arcsec)
- 1.57
Observation
- ID
- 68987
- 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
- 51319
- Name
- HD142A
- RA
- 1.5798970833333332
- DEC
- -49.07518675
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 | 90.2500 | 90.2970 | 121.4000 | 122.0000 |
| A0-J2 | 128.6080 | 128.4980 | 100.5000 | 101.0000 |
| A0-K0 | 123.9880 | 123.7180 | 80.1500 | 80.6940 |
| G1-J2 | 54.8490 | 54.6980 | 64.4000 | 64.9000 |
| G1-K0 | 81.8620 | 81.6790 | 33.4820 | 33.8560 |
| J2-K0 | 44.7860 | 44.8010 | 354.4850 | 354.8460 |
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 | 60887.37087364 |
| 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 | 90.25 |
| HIERARCH ESO ISS PBL12 END | 90.297 |
| HIERARCH ESO ISS PBLA12 START | 121.4 |
| HIERARCH ESO ISS PBLA12 END | 122.0 |
| HIERARCH ESO ISS PBL13 START | 128.608 |
| HIERARCH ESO ISS PBL13 END | 128.498 |
| HIERARCH ESO ISS PBLA13 START | 100.5 |
| HIERARCH ESO ISS PBLA13 END | 101.0 |
| HIERARCH ESO ISS PBL14 START | 123.988 |
| HIERARCH ESO ISS PBL14 END | 123.718 |
| HIERARCH ESO ISS PBLA14 START | 80.15 |
| HIERARCH ESO ISS PBLA14 END | 80.694 |
| HIERARCH ESO ISS PBL23 START | 54.849 |
| HIERARCH ESO ISS PBL23 END | 54.698 |
| HIERARCH ESO ISS PBLA23 START | 64.4 |
| HIERARCH ESO ISS PBLA23 END | 64.9 |
| HIERARCH ESO ISS PBL24 START | 81.862 |
| HIERARCH ESO ISS PBL24 END | 81.679 |
| HIERARCH ESO ISS PBLA24 START | 33.482 |
| HIERARCH ESO ISS PBLA24 END | 33.856 |
| HIERARCH ESO ISS PBL34 START | 44.786 |
| HIERARCH ESO ISS PBL34 END | 44.801 |
| HIERARCH ESO ISS PBLA34 START | 354.485 |
| HIERARCH ESO ISS PBLA34 END | 354.846 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.001783 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.001783 |
| HIERARCH ESO ISS AMBI TEMP | 8.35 |
| HIERARCH ESO ISS AMBI FWHM START | 1.57 |
| HIERARCH ESO ISS AMBI FWHM END | 1.57 |
| HIERARCH ESO FT ROBJ NAME | HD142A |
| HIERARCH ESO FT ROBJ ALPHA | 000619.1753 |
| HIERARCH ESO FT ROBJ DELTA | -490430.6723 |