Exposure
- ID
- GRAVI.2024-12-18T01:53:57.837_2
- Header ID
- GRAVI.2024-12-18T01:53:57.837
- Date updated
- 2024-12-18 02:10:37 UTC+0000
- Release date
- 2025-06-16 02:10:36 UTC+0000
- UTC Start
- 2024-12-18 01:53:57.837
- UTC End
- 2024-12-18 01:59:57.837
- MJD Start
- 60662.07914163
- MJD End
- 60662.083308296664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.00421
- Ambient temperature (°C)
- 15.43
- Seeing (arcsec)
- 0.7050000000000001
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 | 49.3880 | 49.5990 | 16.3000 | 17.1000 |
| U1-U3 | 88.1810 | 88.7400 | 23.4000 | 24.3000 |
| U1-U4 | 110.6240 | 112.1320 | 56.2750 | 56.8530 |
| U2-U3 | 39.6510 | 40.0020 | 32.3000 | 33.1000 |
| U2-U4 | 79.4170 | 80.4740 | 79.8440 | 80.0430 |
| U3-U4 | 60.2380 | 60.6380 | 108.9040 | 108.8400 |
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 | 60662.07914163 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | 51Eri |
| HIERARCH ESO INS SOBJ NAME | 51Eri |
| RA | 69.403004 |
| DEC | -2.47411 |
| 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 | 49.388 |
| HIERARCH ESO ISS PBL12 END | 49.599 |
| HIERARCH ESO ISS PBLA12 START | 16.3 |
| HIERARCH ESO ISS PBLA12 END | 17.1 |
| HIERARCH ESO ISS PBL13 START | 88.181 |
| HIERARCH ESO ISS PBL13 END | 88.74 |
| HIERARCH ESO ISS PBLA13 START | 23.4 |
| HIERARCH ESO ISS PBLA13 END | 24.3 |
| HIERARCH ESO ISS PBL14 START | 110.624 |
| HIERARCH ESO ISS PBL14 END | 112.132 |
| HIERARCH ESO ISS PBLA14 START | 56.275 |
| HIERARCH ESO ISS PBLA14 END | 56.853 |
| HIERARCH ESO ISS PBL23 START | 39.651 |
| HIERARCH ESO ISS PBL23 END | 40.002 |
| HIERARCH ESO ISS PBLA23 START | 32.3 |
| HIERARCH ESO ISS PBLA23 END | 33.1 |
| HIERARCH ESO ISS PBL24 START | 79.417 |
| HIERARCH ESO ISS PBL24 END | 80.474 |
| HIERARCH ESO ISS PBLA24 START | 79.844 |
| HIERARCH ESO ISS PBLA24 END | 80.043 |
| HIERARCH ESO ISS PBL34 START | 60.238 |
| HIERARCH ESO ISS PBL34 END | 60.638 |
| HIERARCH ESO ISS PBLA34 START | 108.904 |
| HIERARCH ESO ISS PBLA34 END | 108.84 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003954 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004466 |
| HIERARCH ESO ISS AMBI TEMP | 15.43 |
| HIERARCH ESO ISS AMBI FWHM START | 0.77 |
| HIERARCH ESO ISS AMBI FWHM END | 0.64 |
| HIERARCH ESO FT ROBJ NAME | 51Eri |
| HIERARCH ESO FT ROBJ ALPHA | 043736.133 |
| HIERARCH ESO FT ROBJ DELTA | -022824.775 |