Exposure
- ID
- GRAVI.2024-12-18T03:08:40.027_2
- Header ID
- GRAVI.2024-12-18T03:08:40.027
- Date updated
- 2024-12-18 03:25:27 UTC+0000
- Release date
- 2025-06-16 03:25:27 UTC+0000
- UTC Start
- 2024-12-18 03:08:40.027
- UTC End
- 2024-12-18 03:14:40.027
- MJD Start
- 60662.13101883
- MJD End
- 60662.13518549666
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0086015
- Ambient temperature (°C)
- 15.43
- Seeing (arcsec)
- 0.6599999999999999
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 | 52.2880 | 52.5380 | 25.6000 | 26.2000 |
| U1-U3 | 95.1430 | 95.6850 | 32.4000 | 33.0000 |
| U1-U4 | 125.3070 | 126.1100 | 61.3910 | 61.6550 |
| U2-U3 | 43.6660 | 43.9480 | 40.6000 | 41.1000 |
| U2-U4 | 88.3530 | 88.6900 | 81.6410 | 81.7390 |
| U3-U4 | 62.4190 | 62.3330 | 109.0050 | 109.0970 |
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 | 60662.13101883 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403043 |
| DEC | -2.47419 |
| 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 | 52.288 |
| HIERARCH ESO ISS PBL12 END | 52.538 |
| HIERARCH ESO ISS PBLA12 START | 25.6 |
| HIERARCH ESO ISS PBLA12 END | 26.2 |
| HIERARCH ESO ISS PBL13 START | 95.143 |
| HIERARCH ESO ISS PBL13 END | 95.685 |
| HIERARCH ESO ISS PBLA13 START | 32.4 |
| HIERARCH ESO ISS PBLA13 END | 33.0 |
| HIERARCH ESO ISS PBL14 START | 125.307 |
| HIERARCH ESO ISS PBL14 END | 126.11 |
| HIERARCH ESO ISS PBLA14 START | 61.391 |
| HIERARCH ESO ISS PBLA14 END | 61.655 |
| HIERARCH ESO ISS PBL23 START | 43.666 |
| HIERARCH ESO ISS PBL23 END | 43.948 |
| HIERARCH ESO ISS PBLA23 START | 40.6 |
| HIERARCH ESO ISS PBLA23 END | 41.1 |
| HIERARCH ESO ISS PBL24 START | 88.353 |
| HIERARCH ESO ISS PBL24 END | 88.69 |
| HIERARCH ESO ISS PBLA24 START | 81.641 |
| HIERARCH ESO ISS PBLA24 END | 81.739 |
| HIERARCH ESO ISS PBL34 START | 62.419 |
| HIERARCH ESO ISS PBL34 END | 62.333 |
| HIERARCH ESO ISS PBLA34 START | 109.005 |
| HIERARCH ESO ISS PBLA34 END | 109.097 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.010183 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.00702 |
| HIERARCH ESO ISS AMBI TEMP | 15.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.63 |
| HIERARCH ESO ISS AMBI FWHM END | 0.69 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |