Exposure
- ID
- GRAVI.2022-06-17T02:56:22.544_1
- Header ID
- GRAVI.2022-06-17T02:56:22.544
- Date updated
- 2022-06-17 03:11:32 UTC+0000
- Release date
- 2023-06-17 03:11:32 UTC+0000
- UTC Start
- 2022-06-17 02:56:22.544
- UTC End
- 2022-06-17 03:02:22.544
- MJD Start
- 59747.12248315
- MJD End
- 59747.1266498167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0024145
- Ambient temperature (°C)
- 3.45
- Seeing (arcsec)
- 1.675
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 | 46.5000 | 46.9600 | 32.7000 | 33.1000 |
| U1-U3 | 86.6400 | 87.5590 | 39.7000 | 40.0000 |
| U1-U4 | 124.0220 | 124.9500 | 66.3240 | 66.0990 |
| U2-U3 | 40.8840 | 41.3180 | 47.7000 | 47.8000 |
| U2-U4 | 89.1170 | 89.2830 | 83.1300 | 82.7300 |
| U3-U4 | 60.6480 | 60.2450 | 106.1530 | 105.8490 |
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 | 59747.12248315 |
| 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 | 46.5 |
| HIERARCH ESO ISS PBL12 END | 46.96 |
| HIERARCH ESO ISS PBLA12 START | 32.7 |
| HIERARCH ESO ISS PBLA12 END | 33.1 |
| HIERARCH ESO ISS PBL13 START | 86.64 |
| HIERARCH ESO ISS PBL13 END | 87.559 |
| HIERARCH ESO ISS PBLA13 START | 39.7 |
| HIERARCH ESO ISS PBLA13 END | 40.0 |
| HIERARCH ESO ISS PBL14 START | 124.022 |
| HIERARCH ESO ISS PBL14 END | 124.95 |
| HIERARCH ESO ISS PBLA14 START | 66.324 |
| HIERARCH ESO ISS PBLA14 END | 66.099 |
| HIERARCH ESO ISS PBL23 START | 40.884 |
| HIERARCH ESO ISS PBL23 END | 41.318 |
| HIERARCH ESO ISS PBLA23 START | 47.7 |
| HIERARCH ESO ISS PBLA23 END | 47.8 |
| HIERARCH ESO ISS PBL24 START | 89.117 |
| HIERARCH ESO ISS PBL24 END | 89.283 |
| HIERARCH ESO ISS PBLA24 START | 83.13 |
| HIERARCH ESO ISS PBLA24 END | 82.73 |
| HIERARCH ESO ISS PBL34 START | 60.648 |
| HIERARCH ESO ISS PBL34 END | 60.245 |
| HIERARCH ESO ISS PBLA34 START | 106.153 |
| HIERARCH ESO ISS PBLA34 END | 105.849 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002172 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002657 |
| HIERARCH ESO ISS AMBI TEMP | 3.45 |
| HIERARCH ESO ISS AMBI FWHM START | 1.82 |
| HIERARCH ESO ISS AMBI FWHM END | 1.53 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |