Exposure
- ID
- GRAVI.2023-07-01T06:08:12.437_1
- Header ID
- GRAVI.2023-07-01T06:08:12.437
- Date updated
- 2023-07-01 06:21:04 UTC+0000
- Release date
- 2024-07-01 06:21:04 UTC+0000
- UTC Start
- 2023-07-01 06:08:12.437
- UTC End
- 2023-07-01 06:14:12.437
- MJD Start
- 60126.2556995
- MJD End
- 60126.2598661667
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.01224
- Ambient temperature (°C)
- 17.23
- Seeing (arcsec)
- 0.52
Observation
- ID
- 56088
- 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
- 41539
- Name
- S4
- RA
- 266.416934
- DEC
- -29.00727
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 53.2250 | 52.9280 | 37.5000 | 37.9000 |
| U1-U3 | 94.8370 | 94.1550 | 43.8000 | 44.1000 |
| U1-U4 | 113.3340 | 111.7670 | 73.9770 | 74.5420 |
| U2-U3 | 42.3330 | 41.9420 | 51.7000 | 52.1000 |
| U2-U4 | 77.2960 | 76.1680 | 98.1300 | 99.0480 |
| U3-U4 | 57.0760 | 56.5910 | 130.6430 | 131.8620 |
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 | 60126.2556995 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416934 |
| DEC | -29.00727 |
| 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 | 53.225 |
| HIERARCH ESO ISS PBL12 END | 52.928 |
| HIERARCH ESO ISS PBLA12 START | 37.5 |
| HIERARCH ESO ISS PBLA12 END | 37.9 |
| HIERARCH ESO ISS PBL13 START | 94.837 |
| HIERARCH ESO ISS PBL13 END | 94.155 |
| HIERARCH ESO ISS PBLA13 START | 43.8 |
| HIERARCH ESO ISS PBLA13 END | 44.1 |
| HIERARCH ESO ISS PBL14 START | 113.334 |
| HIERARCH ESO ISS PBL14 END | 111.767 |
| HIERARCH ESO ISS PBLA14 START | 73.977 |
| HIERARCH ESO ISS PBLA14 END | 74.542 |
| HIERARCH ESO ISS PBL23 START | 42.333 |
| HIERARCH ESO ISS PBL23 END | 41.942 |
| HIERARCH ESO ISS PBLA23 START | 51.7 |
| HIERARCH ESO ISS PBLA23 END | 52.1 |
| HIERARCH ESO ISS PBL24 START | 77.296 |
| HIERARCH ESO ISS PBL24 END | 76.168 |
| HIERARCH ESO ISS PBLA24 START | 98.13 |
| HIERARCH ESO ISS PBLA24 END | 99.048 |
| HIERARCH ESO ISS PBL34 START | 57.076 |
| HIERARCH ESO ISS PBL34 END | 56.591 |
| HIERARCH ESO ISS PBLA34 START | 130.643 |
| HIERARCH ESO ISS PBLA34 END | 131.862 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.01133 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.01315 |
| HIERARCH ESO ISS AMBI TEMP | 17.23 |
| HIERARCH ESO ISS AMBI FWHM START | 0.55 |
| HIERARCH ESO ISS AMBI FWHM END | 0.49 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |