Exposure
- ID
- GRAVI.2025-10-31T03:46:36.814_1
- Header ID
- GRAVI.2025-10-31T03:46:36.814
- Date updated
- 2025-10-31 04:00:49 UTC+0000
- Release date
- 2026-10-31 04:00:49 UTC+0000
- UTC Start
- 2025-10-31 03:46:36.814
- UTC End
- 2025-10-31 03:53:16.814
- MJD Start
- 60979.15737053
- MJD End
- 60979.16200015963
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0056985000000000004
- Ambient temperature (°C)
- 13.82
- Seeing (arcsec)
- 0.56
Observation
- ID
- 71069
- 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
- 52749
- Name
- HD_1237A
- RA
- 4.053746
- DEC
- -79.85096
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| A0-G1 | 86.2600 | 86.3780 | 126.2000 | 127.9000 |
| A0-J2 | 129.1950 | 129.1780 | 112.8000 | 114.5000 |
| A0-K0 | 120.7910 | 120.5650 | 100.0520 | 101.7780 |
| G1-J2 | 49.5150 | 49.3490 | 89.0000 | 90.7000 |
| G1-K0 | 57.7060 | 57.3800 | 58.7990 | 60.3140 |
| J2-K0 | 29.0090 | 29.0080 | 359.7100 | 0.9980 |
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 | 60979.15737053 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HD 1237A |
| HIERARCH ESO INS SOBJ NAME | HD_1237A |
| RA | 4.053746 |
| 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 | 86.26 |
| HIERARCH ESO ISS PBL12 END | 86.378 |
| HIERARCH ESO ISS PBLA12 START | 126.2 |
| HIERARCH ESO ISS PBLA12 END | 127.9 |
| HIERARCH ESO ISS PBL13 START | 129.195 |
| HIERARCH ESO ISS PBL13 END | 129.178 |
| HIERARCH ESO ISS PBLA13 START | 112.8 |
| HIERARCH ESO ISS PBLA13 END | 114.5 |
| HIERARCH ESO ISS PBL14 START | 120.791 |
| HIERARCH ESO ISS PBL14 END | 120.565 |
| HIERARCH ESO ISS PBLA14 START | 100.052 |
| HIERARCH ESO ISS PBLA14 END | 101.778 |
| HIERARCH ESO ISS PBL23 START | 49.515 |
| HIERARCH ESO ISS PBL23 END | 49.349 |
| HIERARCH ESO ISS PBLA23 START | 89.0 |
| HIERARCH ESO ISS PBLA23 END | 90.7 |
| HIERARCH ESO ISS PBL24 START | 57.706 |
| HIERARCH ESO ISS PBL24 END | 57.38 |
| HIERARCH ESO ISS PBLA24 START | 58.799 |
| HIERARCH ESO ISS PBLA24 END | 60.314 |
| HIERARCH ESO ISS PBL34 START | 29.009 |
| HIERARCH ESO ISS PBL34 END | 29.008 |
| HIERARCH ESO ISS PBLA34 START | 359.71 |
| HIERARCH ESO ISS PBLA34 END | 0.998 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005371 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006026 |
| HIERARCH ESO ISS AMBI TEMP | 13.82 |
| HIERARCH ESO ISS AMBI FWHM START | 0.57 |
| HIERARCH ESO ISS AMBI FWHM END | 0.55 |
| HIERARCH ESO FT ROBJ NAME | HD_1237A |
| HIERARCH ESO FT ROBJ ALPHA | 001612.678 |
| HIERARCH ESO FT ROBJ DELTA | -795104.245 |