Exposure
- ID
- GRAVI.2022-06-17T03:14:07.588_1
- Header ID
- GRAVI.2022-06-17T03:14:07.588
- Date updated
- 2022-06-17 03:25:57 UTC+0000
- Release date
- 2023-06-17 03:25:57 UTC+0000
- UTC Start
- 2022-06-17 03:14:07.588
- UTC End
- 2022-06-17 03:20:07.588
- MJD Start
- 59747.13481005
- MJD End
- 59747.1389767167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0023335
- Ambient temperature (°C)
- 3.4
- Seeing (arcsec)
- 1.645
Observation
- ID
- 51264
- Category
- science
- Program ID
- 109.22ZA.003
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ ROUSSELET-PERRAUT/ BRANDNER/ GARCIA/ ECKART/ DE ZEEUW/ STADLER/ VON FELLENBERG/ WIDMANN/ PERRIN/ PAUMARD/ HORROBIN/ VINCENT/ HEIßEL/ DRESCHER/ BOURDAROT/ STRAUB/ CAO
Target
- ID
- 38201
- Name
- HIP77718B
- RA
- 238.004293
- DEC
- 15.23533
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 47.7860 | 48.2320 | 33.9000 | 34.3000 |
| U1-U3 | 89.1790 | 90.0370 | 40.5000 | 40.7000 |
| U1-U4 | 126.4460 | 127.1620 | 65.6530 | 65.3880 |
| U2-U3 | 42.0680 | 42.4580 | 48.0000 | 48.0000 |
| U2-U4 | 89.4250 | 89.4160 | 81.9910 | 81.5770 |
| U3-U4 | 59.4090 | 58.8940 | 105.3210 | 105.0430 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 109.22ZA.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 59747.13481005 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,DIRECT |
| HIERARCH ESO OBS TARG NAME | HIP77718 |
| HIERARCH ESO INS SOBJ NAME | HIP77718B |
| RA | 238.004293 |
| DEC | 15.23533 |
| 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 | 47.786 |
| HIERARCH ESO ISS PBL12 END | 48.232 |
| HIERARCH ESO ISS PBLA12 START | 33.9 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 89.179 |
| HIERARCH ESO ISS PBL13 END | 90.037 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 40.7 |
| HIERARCH ESO ISS PBL14 START | 126.446 |
| HIERARCH ESO ISS PBL14 END | 127.162 |
| HIERARCH ESO ISS PBLA14 START | 65.653 |
| HIERARCH ESO ISS PBLA14 END | 65.388 |
| HIERARCH ESO ISS PBL23 START | 42.068 |
| HIERARCH ESO ISS PBL23 END | 42.458 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 89.425 |
| HIERARCH ESO ISS PBL24 END | 89.416 |
| HIERARCH ESO ISS PBLA24 START | 81.991 |
| HIERARCH ESO ISS PBLA24 END | 81.577 |
| HIERARCH ESO ISS PBL34 START | 59.409 |
| HIERARCH ESO ISS PBL34 END | 58.894 |
| HIERARCH ESO ISS PBLA34 START | 105.321 |
| HIERARCH ESO ISS PBLA34 END | 105.043 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00232 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002347 |
| HIERARCH ESO ISS AMBI TEMP | 3.4 |
| HIERARCH ESO ISS AMBI FWHM START | 1.74 |
| HIERARCH ESO ISS AMBI FWHM END | 1.55 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |