Exposure
- ID
- GRAVI.2022-06-17T03:21:04.606_1
- Header ID
- GRAVI.2022-06-17T03:21:04.606
- Date updated
- 2022-06-17 03:30:40 UTC+0000
- Release date
- 2023-06-17 03:30:40 UTC+0000
- UTC Start
- 2022-06-17 03:21:04.606
- UTC End
- 2022-06-17 03:22:08.606
- MJD Start
- 59747.13963664
- MJD End
- 59747.1403773807
- Exposure time (s)
- 64.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002401
- Ambient temperature (°C)
- 3.41
- Seeing (arcsec)
- 1.56
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 | 48.2740 | 48.3720 | 34.3000 | 34.4000 |
| U1-U3 | 90.1180 | 90.3050 | 40.7000 | 40.8000 |
| U1-U4 | 127.2260 | 127.3730 | 65.3620 | 65.3000 |
| U2-U3 | 42.4940 | 42.5780 | 48.0000 | 48.1000 |
| U2-U4 | 89.4120 | 89.4000 | 81.5370 | 81.4440 |
| U3-U4 | 58.8430 | 58.7220 | 105.0170 | 104.9570 |
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 | 59747.13963664 |
| 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 | 86.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 1.0 |
| HIERARCH ESO DET2 NDIT | 64 |
| HIERARCH ESO ISS PBL12 START | 48.274 |
| HIERARCH ESO ISS PBL12 END | 48.372 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.4 |
| HIERARCH ESO ISS PBL13 START | 90.118 |
| HIERARCH ESO ISS PBL13 END | 90.305 |
| HIERARCH ESO ISS PBLA13 START | 40.7 |
| HIERARCH ESO ISS PBLA13 END | 40.8 |
| HIERARCH ESO ISS PBL14 START | 127.226 |
| HIERARCH ESO ISS PBL14 END | 127.373 |
| HIERARCH ESO ISS PBLA14 START | 65.362 |
| HIERARCH ESO ISS PBLA14 END | 65.3 |
| HIERARCH ESO ISS PBL23 START | 42.494 |
| HIERARCH ESO ISS PBL23 END | 42.578 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.1 |
| HIERARCH ESO ISS PBL24 START | 89.412 |
| HIERARCH ESO ISS PBL24 END | 89.4 |
| HIERARCH ESO ISS PBLA24 START | 81.537 |
| HIERARCH ESO ISS PBLA24 END | 81.444 |
| HIERARCH ESO ISS PBL34 START | 58.843 |
| HIERARCH ESO ISS PBL34 END | 58.722 |
| HIERARCH ESO ISS PBLA34 START | 105.017 |
| HIERARCH ESO ISS PBLA34 END | 104.957 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002401 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002401 |
| HIERARCH ESO ISS AMBI TEMP | 3.41 |
| HIERARCH ESO ISS AMBI FWHM START | 1.56 |
| HIERARCH ESO ISS AMBI FWHM END | 1.56 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |