Exposure
- ID
- GRAVI.2023-07-07T04:59:20.787_1
- Header ID
- GRAVI.2023-07-07T04:59:20.787
- Date updated
- 2023-07-07 05:15:25 UTC+0000
- Release date
- 2024-07-07 05:15:24 UTC+0000
- UTC Start
- 2023-07-07 04:59:20.787
- UTC End
- 2023-07-07 05:05:20.787
- MJD Start
- 60132.20787948
- MJD End
- 60132.2120461467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0031335
- Ambient temperature (°C)
- 9.15
- Seeing (arcsec)
- 0.825
Observation
- ID
- 56167
- Category
- science
- Program ID
- 111.24H1.003
- 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/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41612
- Name
- S4
- RA
- 266.416849
- DEC
- -29.00721
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 54.8950 | 54.6970 | 34.4000 | 34.9000 |
| U1-U3 | 98.6990 | 98.2380 | 40.8000 | 41.3000 |
| U1-U4 | 122.3070 | 121.2290 | 69.8820 | 70.4900 |
| U2-U3 | 44.5560 | 44.2900 | 48.6000 | 49.1000 |
| U2-U4 | 83.8660 | 83.0690 | 92.1910 | 93.0060 |
| U3-U4 | 60.0400 | 59.6690 | 122.9570 | 123.9820 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.003 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60132.20787948 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416849 |
| DEC | -29.00721 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| 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 | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 54.895 |
| HIERARCH ESO ISS PBL12 END | 54.697 |
| HIERARCH ESO ISS PBLA12 START | 34.4 |
| HIERARCH ESO ISS PBLA12 END | 34.9 |
| HIERARCH ESO ISS PBL13 START | 98.699 |
| HIERARCH ESO ISS PBL13 END | 98.238 |
| HIERARCH ESO ISS PBLA13 START | 40.8 |
| HIERARCH ESO ISS PBLA13 END | 41.3 |
| HIERARCH ESO ISS PBL14 START | 122.307 |
| HIERARCH ESO ISS PBL14 END | 121.229 |
| HIERARCH ESO ISS PBLA14 START | 69.882 |
| HIERARCH ESO ISS PBLA14 END | 70.49 |
| HIERARCH ESO ISS PBL23 START | 44.556 |
| HIERARCH ESO ISS PBL23 END | 44.29 |
| HIERARCH ESO ISS PBLA23 START | 48.6 |
| HIERARCH ESO ISS PBLA23 END | 49.1 |
| HIERARCH ESO ISS PBL24 START | 83.866 |
| HIERARCH ESO ISS PBL24 END | 83.069 |
| HIERARCH ESO ISS PBLA24 START | 92.191 |
| HIERARCH ESO ISS PBLA24 END | 93.006 |
| HIERARCH ESO ISS PBL34 START | 60.04 |
| HIERARCH ESO ISS PBL34 END | 59.669 |
| HIERARCH ESO ISS PBLA34 START | 122.957 |
| HIERARCH ESO ISS PBLA34 END | 123.982 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003168 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003099 |
| HIERARCH ESO ISS AMBI TEMP | 9.15 |
| HIERARCH ESO ISS AMBI FWHM START | 0.78 |
| HIERARCH ESO ISS AMBI FWHM END | 0.87 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |