Exposure
- ID
- GRAVI.2022-06-17T03:07:10.571_1
- Header ID
- GRAVI.2022-06-17T03:07:10.571
- Date updated
- 2022-06-17 03:21:10 UTC+0000
- Release date
- 2023-06-17 03:21:10 UTC+0000
- UTC Start
- 2022-06-17 03:07:10.571
- UTC End
- 2022-06-17 03:13:10.571
- MJD Start
- 59747.12998346
- MJD End
- 59747.1341501267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024895
- Ambient temperature (°C)
- 3.37
- Seeing (arcsec)
- 1.55
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 | 47.2840 | 47.7360 | 33.4000 | 33.8000 |
| U1-U3 | 88.1980 | 89.0820 | 40.2000 | 40.5000 |
| U1-U4 | 125.5630 | 126.3620 | 65.9310 | 65.6820 |
| U2-U3 | 41.6160 | 42.0240 | 47.9000 | 48.0000 |
| U2-U4 | 89.3630 | 89.4220 | 82.4440 | 82.0360 |
| U3-U4 | 59.9350 | 59.4640 | 105.6400 | 105.3520 |
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 | 59747.12998346 |
| 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 | 47.284 |
| HIERARCH ESO ISS PBL12 END | 47.736 |
| HIERARCH ESO ISS PBLA12 START | 33.4 |
| HIERARCH ESO ISS PBLA12 END | 33.8 |
| HIERARCH ESO ISS PBL13 START | 88.198 |
| HIERARCH ESO ISS PBL13 END | 89.082 |
| HIERARCH ESO ISS PBLA13 START | 40.2 |
| HIERARCH ESO ISS PBLA13 END | 40.5 |
| HIERARCH ESO ISS PBL14 START | 125.563 |
| HIERARCH ESO ISS PBL14 END | 126.362 |
| HIERARCH ESO ISS PBLA14 START | 65.931 |
| HIERARCH ESO ISS PBLA14 END | 65.682 |
| HIERARCH ESO ISS PBL23 START | 41.616 |
| HIERARCH ESO ISS PBL23 END | 42.024 |
| HIERARCH ESO ISS PBLA23 START | 47.9 |
| HIERARCH ESO ISS PBLA23 END | 48.0 |
| HIERARCH ESO ISS PBL24 START | 89.363 |
| HIERARCH ESO ISS PBL24 END | 89.422 |
| HIERARCH ESO ISS PBLA24 START | 82.444 |
| HIERARCH ESO ISS PBLA24 END | 82.036 |
| HIERARCH ESO ISS PBL34 START | 59.935 |
| HIERARCH ESO ISS PBL34 END | 59.464 |
| HIERARCH ESO ISS PBLA34 START | 105.64 |
| HIERARCH ESO ISS PBLA34 END | 105.352 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002536 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002443 |
| HIERARCH ESO ISS AMBI TEMP | 3.37 |
| HIERARCH ESO ISS AMBI FWHM START | 1.56 |
| HIERARCH ESO ISS AMBI FWHM END | 1.54 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |