Exposure
- ID
- GRAVI.2025-10-30T04:03:23.180_2
- Header ID
- GRAVI.2025-10-30T04:03:23.180
- Date updated
- 2025-10-30 04:20:42 UTC+0000
- Release date
- 2026-10-30 04:20:41 UTC+0000
- UTC Start
- 2025-10-30 04:03:23.180
- UTC End
- 2025-10-30 04:10:03.180
- MJD Start
- 60978.16901829
- MJD End
- 60978.173647919626
- Exposure time (s)
- 400.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.005314
- Ambient temperature (°C)
- 13.29
- Seeing (arcsec)
- 0.6799999999999999
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 | 86.4750 | 86.5840 | 129.3000 | 130.9000 |
| A0-J2 | 129.1600 | 129.1370 | 116.0000 | 117.7000 |
| A0-K0 | 120.3700 | 120.1400 | 103.2590 | 104.9890 |
| G1-J2 | 49.2050 | 49.0360 | 92.1000 | 93.9000 |
| G1-K0 | 57.0960 | 56.7590 | 61.6170 | 63.1430 |
| J2-K0 | 29.0030 | 28.9920 | 2.1000 | 3.3860 |
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 | 60978.16901829 |
| 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 | 86.475 |
| HIERARCH ESO ISS PBL12 END | 86.584 |
| HIERARCH ESO ISS PBLA12 START | 129.3 |
| HIERARCH ESO ISS PBLA12 END | 130.9 |
| HIERARCH ESO ISS PBL13 START | 129.16 |
| HIERARCH ESO ISS PBL13 END | 129.137 |
| HIERARCH ESO ISS PBLA13 START | 116.0 |
| HIERARCH ESO ISS PBLA13 END | 117.7 |
| HIERARCH ESO ISS PBL14 START | 120.37 |
| HIERARCH ESO ISS PBL14 END | 120.14 |
| HIERARCH ESO ISS PBLA14 START | 103.259 |
| HIERARCH ESO ISS PBLA14 END | 104.989 |
| HIERARCH ESO ISS PBL23 START | 49.205 |
| HIERARCH ESO ISS PBL23 END | 49.036 |
| HIERARCH ESO ISS PBLA23 START | 92.1 |
| HIERARCH ESO ISS PBLA23 END | 93.9 |
| HIERARCH ESO ISS PBL24 START | 57.096 |
| HIERARCH ESO ISS PBL24 END | 56.759 |
| HIERARCH ESO ISS PBLA24 START | 61.617 |
| HIERARCH ESO ISS PBLA24 END | 63.143 |
| HIERARCH ESO ISS PBL34 START | 29.003 |
| HIERARCH ESO ISS PBL34 END | 28.992 |
| HIERARCH ESO ISS PBLA34 START | 2.1 |
| HIERARCH ESO ISS PBLA34 END | 3.386 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.005282 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.005346 |
| HIERARCH ESO ISS AMBI TEMP | 13.29 |
| HIERARCH ESO ISS AMBI FWHM START | 0.58 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | HD_1237A |
| HIERARCH ESO FT ROBJ ALPHA | 001612.678 |
| HIERARCH ESO FT ROBJ DELTA | -795104.245 |