Exposure
- ID
- GRAVI.2024-12-18T02:51:36.984_2
- Header ID
- GRAVI.2024-12-18T02:51:36.984
- Date updated
- 2024-12-18 03:05:35 UTC+0000
- Release date
- 2025-06-16 03:05:35 UTC+0000
- UTC Start
- 2024-12-18 02:51:36.984
- UTC End
- 2024-12-18 02:57:36.984
- MJD Start
- 60662.11917805
- MJD End
- 60662.12334471667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006609499999999999
- Ambient temperature (°C)
- 15.43
- Seeing (arcsec)
- 0.59
Observation
- ID
- 62701
- Category
- science
- Program ID
- 111.24MN.004
- Program Title
- MONITORING 51 ERI B FOR A PERTURBING INNER COMPANION
- Program Type
- Monitoring
- PI / COI
- BALMER / KAMMERER / PUEYO / LACOUR / MAIRE / WANG / NOWAK / STOLKER / MOLLIERE / CORREIA / HINKLEY / POURRÉ / BOURDAROT / OTTEN / KERVELLA / CASELLI / BENISTY / SAMLAND / RICKMAN
Target
- ID
- 46641
- Name
- 51Eri
- RA
- 69.40055416666667
- DEC
- -2.473548611111111
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 51.5910 | 51.8430 | 23.7000 | 24.4000 |
| U1-U3 | 93.5890 | 94.1580 | 30.7000 | 31.3000 |
| U1-U4 | 122.7330 | 123.7220 | 60.5490 | 60.8730 |
| U2-U3 | 42.8330 | 43.1420 | 39.1000 | 39.6000 |
| U2-U4 | 87.0930 | 87.6030 | 81.3360 | 81.4530 |
| U3-U4 | 62.4440 | 62.4710 | 108.8160 | 108.8730 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24MN.004 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60662.11917805 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403031 |
| DEC | -2.47417 |
| HIERARCH ESO INS SPEC RES | MEDIUM |
| HIERARCH ESO INS POLA MODE | COMBINED |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 376.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 51.591 |
| HIERARCH ESO ISS PBL12 END | 51.843 |
| HIERARCH ESO ISS PBLA12 START | 23.7 |
| HIERARCH ESO ISS PBLA12 END | 24.4 |
| HIERARCH ESO ISS PBL13 START | 93.589 |
| HIERARCH ESO ISS PBL13 END | 94.158 |
| HIERARCH ESO ISS PBLA13 START | 30.7 |
| HIERARCH ESO ISS PBLA13 END | 31.3 |
| HIERARCH ESO ISS PBL14 START | 122.733 |
| HIERARCH ESO ISS PBL14 END | 123.722 |
| HIERARCH ESO ISS PBLA14 START | 60.549 |
| HIERARCH ESO ISS PBLA14 END | 60.873 |
| HIERARCH ESO ISS PBL23 START | 42.833 |
| HIERARCH ESO ISS PBL23 END | 43.142 |
| HIERARCH ESO ISS PBLA23 START | 39.1 |
| HIERARCH ESO ISS PBLA23 END | 39.6 |
| HIERARCH ESO ISS PBL24 START | 87.093 |
| HIERARCH ESO ISS PBL24 END | 87.603 |
| HIERARCH ESO ISS PBLA24 START | 81.336 |
| HIERARCH ESO ISS PBLA24 END | 81.453 |
| HIERARCH ESO ISS PBL34 START | 62.444 |
| HIERARCH ESO ISS PBL34 END | 62.471 |
| HIERARCH ESO ISS PBLA34 START | 108.816 |
| HIERARCH ESO ISS PBLA34 END | 108.873 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004663 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.008556 |
| HIERARCH ESO ISS AMBI TEMP | 15.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.59 |
| HIERARCH ESO ISS AMBI FWHM END | 0.59 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |