Exposure
- ID
- GRAVI.2025-10-30T04:17:53.217_2
- Header ID
- GRAVI.2025-10-30T04:17:53.217
- Date updated
- 2025-10-30 04:35:43 UTC+0000
- Release date
- 2026-10-30 04:35:43 UTC+0000
- UTC Start
- 2025-10-30 04:17:53.217
- UTC End
- 2025-10-30 04:24:33.217
- MJD Start
- 60978.17908816
- MJD End
- 60978.18371778963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0053005
- Ambient temperature (°C)
- 13.38
- Seeing (arcsec)
- 0.73
Observation
- ID
- 71059
- Category
- science
- Program ID
- 116.28NC.004
- Program Title
- GRAVITY-GAIA DR4 EXOPLANET SURVEY IN NEARBY LOW-MASS BINARY SYSTEMS
- Program Type
- Normal
- PI / COI
- KERVELLA / GALLENNE / ARENOU / BEICHMAN / BOURDAROT / LACOUR / MENDEZ / MÉRAND / NOWAK
Target
- ID
- 52739
- Name
- HD_1237A
- RA
- 4.0528249999999995
- DEC
- -79.85117916666665
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 | 86.7000 | 86.8010 | 132.7000 | 134.4000 |
| A0-J2 | 129.1090 | 129.0810 | 119.6000 | 121.3000 |
| A0-K0 | 119.8870 | 119.6550 | 106.8900 | 108.6330 |
| G1-J2 | 48.8500 | 48.6790 | 95.7000 | 97.5000 |
| G1-K0 | 56.3820 | 56.0330 | 64.8280 | 66.3690 |
| J2-K0 | 28.9760 | 28.9550 | 4.8000 | 6.0870 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 116.28NC.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60978.17908816 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 1237A |
| HIERARCH ESO INS SOBJ NAME | HD_1237A |
| RA | 4.053745 |
| DEC | -79.85096 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| 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 | 414.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 100.0 |
| HIERARCH ESO DET2 NDIT | 4 |
| HIERARCH ESO ISS PBL12 START | 86.7 |
| HIERARCH ESO ISS PBL12 END | 86.801 |
| HIERARCH ESO ISS PBLA12 START | 132.7 |
| HIERARCH ESO ISS PBLA12 END | 134.4 |
| HIERARCH ESO ISS PBL13 START | 129.109 |
| HIERARCH ESO ISS PBL13 END | 129.081 |
| HIERARCH ESO ISS PBLA13 START | 119.6 |
| HIERARCH ESO ISS PBLA13 END | 121.3 |
| HIERARCH ESO ISS PBL14 START | 119.887 |
| HIERARCH ESO ISS PBL14 END | 119.655 |
| HIERARCH ESO ISS PBLA14 START | 106.89 |
| HIERARCH ESO ISS PBLA14 END | 108.633 |
| HIERARCH ESO ISS PBL23 START | 48.85 |
| HIERARCH ESO ISS PBL23 END | 48.679 |
| HIERARCH ESO ISS PBLA23 START | 95.7 |
| HIERARCH ESO ISS PBLA23 END | 97.5 |
| HIERARCH ESO ISS PBL24 START | 56.382 |
| HIERARCH ESO ISS PBL24 END | 56.033 |
| HIERARCH ESO ISS PBLA24 START | 64.828 |
| HIERARCH ESO ISS PBLA24 END | 66.369 |
| HIERARCH ESO ISS PBL34 START | 28.976 |
| HIERARCH ESO ISS PBL34 END | 28.955 |
| HIERARCH ESO ISS PBLA34 START | 4.8 |
| HIERARCH ESO ISS PBLA34 END | 6.087 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005425 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005176 |
| HIERARCH ESO ISS AMBI TEMP | 13.38 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.7 |
| HIERARCH ESO FT ROBJ NAME | HD_1237A |
| HIERARCH ESO FT ROBJ ALPHA | 001612.678 |
| HIERARCH ESO FT ROBJ DELTA | -795104.245 |