Exposure
- ID
- GRAVI.2025-11-03T03:51:11.720_2
- Header ID
- GRAVI.2025-11-03T03:51:11.720
- Date updated
- 2025-11-03 04:06:29 UTC+0000
- Release date
- 2026-11-03 04:06:29 UTC+0000
- UTC Start
- 2025-11-03 03:51:11.720
- UTC End
- 2025-11-03 03:57:11.720
- MJD Start
- 60982.16055231
- MJD End
- 60982.164718976666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0034289999999999998
- Ambient temperature (°C)
- 10.42
- Seeing (arcsec)
- 0.875
Observation
- ID
- 71096
- 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
- 52776
- Name
- LP_649-66
- RA
- 33.121725
- DEC
- -8.069403333333334
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 | 90.2650 | 90.0730 | 114.5000 | 114.7000 |
| A0-J2 | 129.1100 | 129.2170 | 92.2000 | 92.4000 |
| A0-K0 | 126.5700 | 127.0160 | 71.1790 | 71.4530 |
| G1-J2 | 56.9100 | 57.1720 | 55.4000 | 55.8000 |
| G1-K0 | 86.7910 | 87.0900 | 25.6980 | 26.3070 |
| J2-K0 | 46.8070 | 46.7370 | 348.6510 | 349.2940 |
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 | 60982.16055231 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | LP 649-66 |
| HIERARCH ESO INS SOBJ NAME | LP_649-66 |
| RA | 33.115461 |
| DEC | -8.07223 |
| 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 | 377.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 90.265 |
| HIERARCH ESO ISS PBL12 END | 90.073 |
| HIERARCH ESO ISS PBLA12 START | 114.5 |
| HIERARCH ESO ISS PBLA12 END | 114.7 |
| HIERARCH ESO ISS PBL13 START | 129.11 |
| HIERARCH ESO ISS PBL13 END | 129.217 |
| HIERARCH ESO ISS PBLA13 START | 92.2 |
| HIERARCH ESO ISS PBLA13 END | 92.4 |
| HIERARCH ESO ISS PBL14 START | 126.57 |
| HIERARCH ESO ISS PBL14 END | 127.016 |
| HIERARCH ESO ISS PBLA14 START | 71.179 |
| HIERARCH ESO ISS PBLA14 END | 71.453 |
| HIERARCH ESO ISS PBL23 START | 56.91 |
| HIERARCH ESO ISS PBL23 END | 57.172 |
| HIERARCH ESO ISS PBLA23 START | 55.4 |
| HIERARCH ESO ISS PBLA23 END | 55.8 |
| HIERARCH ESO ISS PBL24 START | 86.791 |
| HIERARCH ESO ISS PBL24 END | 87.09 |
| HIERARCH ESO ISS PBLA24 START | 25.698 |
| HIERARCH ESO ISS PBLA24 END | 26.307 |
| HIERARCH ESO ISS PBL34 START | 46.807 |
| HIERARCH ESO ISS PBL34 END | 46.737 |
| HIERARCH ESO ISS PBLA34 START | 348.651 |
| HIERARCH ESO ISS PBLA34 END | 349.294 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003668 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00319 |
| HIERARCH ESO ISS AMBI TEMP | 10.42 |
| HIERARCH ESO ISS AMBI FWHM START | 0.85 |
| HIERARCH ESO ISS AMBI FWHM END | 0.9 |
| HIERARCH ESO FT ROBJ NAME | LP_649-66 |
| HIERARCH ESO FT ROBJ ALPHA | 021229.214 |
| HIERARCH ESO FT ROBJ DELTA | -080409.852 |