Exposure
- ID
- GRAVI.2022-06-17T02:49:25.527_1
- Header ID
- GRAVI.2022-06-17T02:49:25.527
- Date updated
- 2022-06-17 03:05:29 UTC+0000
- Release date
- 2023-06-17 03:05:29 UTC+0000
- UTC Start
- 2022-06-17 02:49:25.527
- UTC End
- 2022-06-17 02:55:25.527
- MJD Start
- 59747.11765656
- MJD End
- 59747.1218232267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0021655
- Ambient temperature (°C)
- 3.42
- Seeing (arcsec)
- 1.835
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 | 45.9870 | 46.4510 | 32.1000 | 32.6000 |
| U1-U3 | 85.6030 | 86.5420 | 39.3000 | 39.6000 |
| U1-U4 | 122.9080 | 123.9190 | 66.5550 | 66.3470 |
| U2-U3 | 40.3870 | 40.8370 | 47.5000 | 47.6000 |
| U2-U4 | 88.8610 | 89.0960 | 83.5670 | 83.1720 |
| U3-U4 | 61.0470 | 60.6880 | 106.5000 | 106.1850 |
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 | 59747.11765656 |
| 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 | 45.987 |
| HIERARCH ESO ISS PBL12 END | 46.451 |
| HIERARCH ESO ISS PBLA12 START | 32.1 |
| HIERARCH ESO ISS PBLA12 END | 32.6 |
| HIERARCH ESO ISS PBL13 START | 85.603 |
| HIERARCH ESO ISS PBL13 END | 86.542 |
| HIERARCH ESO ISS PBLA13 START | 39.3 |
| HIERARCH ESO ISS PBLA13 END | 39.6 |
| HIERARCH ESO ISS PBL14 START | 122.908 |
| HIERARCH ESO ISS PBL14 END | 123.919 |
| HIERARCH ESO ISS PBLA14 START | 66.555 |
| HIERARCH ESO ISS PBLA14 END | 66.347 |
| HIERARCH ESO ISS PBL23 START | 40.387 |
| HIERARCH ESO ISS PBL23 END | 40.837 |
| HIERARCH ESO ISS PBLA23 START | 47.5 |
| HIERARCH ESO ISS PBLA23 END | 47.6 |
| HIERARCH ESO ISS PBL24 START | 88.861 |
| HIERARCH ESO ISS PBL24 END | 89.096 |
| HIERARCH ESO ISS PBLA24 START | 83.567 |
| HIERARCH ESO ISS PBLA24 END | 83.172 |
| HIERARCH ESO ISS PBL34 START | 61.047 |
| HIERARCH ESO ISS PBL34 END | 60.688 |
| HIERARCH ESO ISS PBLA34 START | 106.5 |
| HIERARCH ESO ISS PBLA34 END | 106.185 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002159 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002172 |
| HIERARCH ESO ISS AMBI TEMP | 3.42 |
| HIERARCH ESO ISS AMBI FWHM START | 1.85 |
| HIERARCH ESO ISS AMBI FWHM END | 1.82 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |