Exposure
- ID
- GRAVI.2023-09-02T02:14:40.841_1
- Header ID
- GRAVI.2023-09-02T02:14:40.841
- Date updated
- 2023-09-02 02:30:13 UTC+0000
- Release date
- 2024-09-02 02:30:13 UTC+0000
- UTC Start
- 2023-09-02 02:14:40.841
- UTC End
- 2023-09-02 02:20:40.841
- MJD Start
- 60189.09352825
- MJD End
- 60189.097694916665
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0035364999999999997
- Ambient temperature (°C)
- 10.99
- Seeing (arcsec)
- 0.8049999999999999
Observation
- ID
- 56837
- Category
- science
- Program ID
- 111.24H1.005
- 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
- 42125
- Name
- S4
- RA
- 266.416848
- DEC
- -29.00725
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 52.5570 | 52.2270 | 38.3000 | 38.6000 |
| U1-U3 | 93.3050 | 92.5510 | 44.6000 | 44.9000 |
| U1-U4 | 109.8240 | 108.1090 | 75.2060 | 75.7630 |
| U2-U3 | 41.4550 | 41.0250 | 52.5000 | 52.8000 |
| U2-U4 | 74.7750 | 73.5540 | 100.1620 | 101.1300 |
| U3-U4 | 56.0050 | 55.5010 | 133.3460 | 134.6360 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.005 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60189.09352825 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416848 |
| DEC | -29.00725 |
| 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 | 52.557 |
| HIERARCH ESO ISS PBL12 END | 52.227 |
| HIERARCH ESO ISS PBLA12 START | 38.3 |
| HIERARCH ESO ISS PBLA12 END | 38.6 |
| HIERARCH ESO ISS PBL13 START | 93.305 |
| HIERARCH ESO ISS PBL13 END | 92.551 |
| HIERARCH ESO ISS PBLA13 START | 44.6 |
| HIERARCH ESO ISS PBLA13 END | 44.9 |
| HIERARCH ESO ISS PBL14 START | 109.824 |
| HIERARCH ESO ISS PBL14 END | 108.109 |
| HIERARCH ESO ISS PBLA14 START | 75.206 |
| HIERARCH ESO ISS PBLA14 END | 75.763 |
| HIERARCH ESO ISS PBL23 START | 41.455 |
| HIERARCH ESO ISS PBL23 END | 41.025 |
| HIERARCH ESO ISS PBLA23 START | 52.5 |
| HIERARCH ESO ISS PBLA23 END | 52.8 |
| HIERARCH ESO ISS PBL24 START | 74.775 |
| HIERARCH ESO ISS PBL24 END | 73.554 |
| HIERARCH ESO ISS PBLA24 START | 100.162 |
| HIERARCH ESO ISS PBLA24 END | 101.13 |
| HIERARCH ESO ISS PBL34 START | 56.005 |
| HIERARCH ESO ISS PBL34 END | 55.501 |
| HIERARCH ESO ISS PBLA34 START | 133.346 |
| HIERARCH ESO ISS PBLA34 END | 134.636 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003547 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.003526 |
| HIERARCH ESO ISS AMBI TEMP | 10.99 |
| HIERARCH ESO ISS AMBI FWHM START | 0.82 |
| HIERARCH ESO ISS AMBI FWHM END | 0.79 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5209 |