Exposure
- ID
- GRAVI.2023-06-02T03:44:22.774_1
- Header ID
- GRAVI.2023-06-02T03:44:22.774
- Date updated
- 2023-06-02 04:02:06 UTC+0000
- Release date
- 2024-06-02 04:02:06 UTC+0000
- UTC Start
- 2023-06-02 03:44:22.774
- UTC End
- 2023-06-02 03:50:22.774
- MJD Start
- 60097.15581914
- MJD End
- 60097.1599858067
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.0070355
- Ambient temperature (°C)
- 16.6
- Seeing (arcsec)
- 0.41
Observation
- ID
- 55615
- Category
- science
- Program ID
- 111.24H1.002
- 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
- 41181
- Name
- S4
- RA
- 266.416692
- DEC
- -29.00718
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3720 | 56.3940 | 10.7000 | 11.6000 |
| U1-U3 | 101.5470 | 101.6410 | 16.4000 | 17.4000 |
| U1-U4 | 123.1200 | 123.8260 | 42.7860 | 43.9230 |
| U2-U3 | 45.7930 | 45.8800 | 23.4000 | 24.5000 |
| U2-U4 | 81.0580 | 81.8880 | 64.4400 | 65.5030 |
| U3-U4 | 55.3730 | 56.0690 | 97.3150 | 98.0090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.002 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60097.15581914 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416692 |
| DEC | -29.00718 |
| 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 | 56.372 |
| HIERARCH ESO ISS PBL12 END | 56.394 |
| HIERARCH ESO ISS PBLA12 START | 10.7 |
| HIERARCH ESO ISS PBLA12 END | 11.6 |
| HIERARCH ESO ISS PBL13 START | 101.547 |
| HIERARCH ESO ISS PBL13 END | 101.641 |
| HIERARCH ESO ISS PBLA13 START | 16.4 |
| HIERARCH ESO ISS PBLA13 END | 17.4 |
| HIERARCH ESO ISS PBL14 START | 123.12 |
| HIERARCH ESO ISS PBL14 END | 123.826 |
| HIERARCH ESO ISS PBLA14 START | 42.786 |
| HIERARCH ESO ISS PBLA14 END | 43.923 |
| HIERARCH ESO ISS PBL23 START | 45.793 |
| HIERARCH ESO ISS PBL23 END | 45.88 |
| HIERARCH ESO ISS PBLA23 START | 23.4 |
| HIERARCH ESO ISS PBLA23 END | 24.5 |
| HIERARCH ESO ISS PBL24 START | 81.058 |
| HIERARCH ESO ISS PBL24 END | 81.888 |
| HIERARCH ESO ISS PBLA24 START | 64.44 |
| HIERARCH ESO ISS PBLA24 END | 65.503 |
| HIERARCH ESO ISS PBL34 START | 55.373 |
| HIERARCH ESO ISS PBL34 END | 56.069 |
| HIERARCH ESO ISS PBLA34 START | 97.315 |
| HIERARCH ESO ISS PBLA34 END | 98.009 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.006503 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.007568 |
| HIERARCH ESO ISS AMBI TEMP | 16.6 |
| HIERARCH ESO ISS AMBI FWHM START | 0.42 |
| HIERARCH ESO ISS AMBI FWHM END | 0.4 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |