Exposure
- ID
- GRAVI.2022-06-17T02:31:43.482_1
- Header ID
- GRAVI.2022-06-17T02:31:43.482
- Date updated
- 2022-06-17 02:46:01 UTC+0000
- Release date
- 2023-06-17 02:46:01 UTC+0000
- UTC Start
- 2022-06-17 02:31:43.482
- UTC End
- 2022-06-17 02:37:43.482
- MJD Start
- 59747.10536437
- MJD End
- 59747.1095310367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0027645
- Ambient temperature (°C)
- 3.58
- Seeing (arcsec)
- 1.51
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 | 44.6720 | 45.1410 | 30.6000 | 31.1000 |
| U1-U3 | 82.8800 | 83.8620 | 38.2000 | 38.6000 |
| U1-U4 | 119.6670 | 120.8880 | 67.0590 | 66.8930 |
| U2-U3 | 39.0480 | 39.5370 | 46.8000 | 47.1000 |
| U2-U4 | 87.8680 | 88.2780 | 84.6610 | 84.2740 |
| U3-U4 | 61.8380 | 61.5930 | 107.4350 | 107.0930 |
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 | 59747.10536437 |
| 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 | 44.672 |
| HIERARCH ESO ISS PBL12 END | 45.141 |
| HIERARCH ESO ISS PBLA12 START | 30.6 |
| HIERARCH ESO ISS PBLA12 END | 31.1 |
| HIERARCH ESO ISS PBL13 START | 82.88 |
| HIERARCH ESO ISS PBL13 END | 83.862 |
| HIERARCH ESO ISS PBLA13 START | 38.2 |
| HIERARCH ESO ISS PBLA13 END | 38.6 |
| HIERARCH ESO ISS PBL14 START | 119.667 |
| HIERARCH ESO ISS PBL14 END | 120.888 |
| HIERARCH ESO ISS PBLA14 START | 67.059 |
| HIERARCH ESO ISS PBLA14 END | 66.893 |
| HIERARCH ESO ISS PBL23 START | 39.048 |
| HIERARCH ESO ISS PBL23 END | 39.537 |
| HIERARCH ESO ISS PBLA23 START | 46.8 |
| HIERARCH ESO ISS PBLA23 END | 47.1 |
| HIERARCH ESO ISS PBL24 START | 87.868 |
| HIERARCH ESO ISS PBL24 END | 88.278 |
| HIERARCH ESO ISS PBLA24 START | 84.661 |
| HIERARCH ESO ISS PBLA24 END | 84.274 |
| HIERARCH ESO ISS PBL34 START | 61.838 |
| HIERARCH ESO ISS PBL34 END | 61.593 |
| HIERARCH ESO ISS PBLA34 START | 107.435 |
| HIERARCH ESO ISS PBLA34 END | 107.093 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003091 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002438 |
| HIERARCH ESO ISS AMBI TEMP | 3.58 |
| HIERARCH ESO ISS AMBI FWHM START | 1.23 |
| HIERARCH ESO ISS AMBI FWHM END | 1.79 |
| HIERARCH ESO FT ROBJ NAME | HIP77718 |
| HIERARCH ESO FT ROBJ ALPHA | 155200.552 |
| HIERARCH ESO FT ROBJ DELTA | 151409.322 |