Exposure
- ID
- GRAVI.2023-07-01T05:21:45.312_1
- Header ID
- GRAVI.2023-07-01T05:21:45.312
- Date updated
- 2023-07-01 05:36:11 UTC+0000
- Release date
- 2024-07-01 05:36:10 UTC+0000
- UTC Start
- 2023-07-01 05:21:45.312
- UTC End
- 2023-07-01 05:27:45.312
- MJD Start
- 60126.22344111
- MJD End
- 60126.2276077767
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.008673
- Ambient temperature (°C)
- 18.41
- Seeing (arcsec)
- 0.33
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 | 54.9300 | 54.7340 | 34.3000 | 34.8000 |
| U1-U3 | 98.7800 | 98.3250 | 40.7000 | 41.2000 |
| U1-U4 | 122.4980 | 121.4330 | 69.7700 | 70.3790 |
| U2-U3 | 44.6030 | 44.3400 | 48.5000 | 49.0000 |
| U2-U4 | 84.0070 | 83.2190 | 92.0430 | 92.8560 |
| U3-U4 | 60.1060 | 59.7390 | 122.7720 | 123.7920 |
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 | 60126.22344111 |
| 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 | 54.93 |
| HIERARCH ESO ISS PBL12 END | 54.734 |
| HIERARCH ESO ISS PBLA12 START | 34.3 |
| HIERARCH ESO ISS PBLA12 END | 34.8 |
| HIERARCH ESO ISS PBL13 START | 98.78 |
| HIERARCH ESO ISS PBL13 END | 98.325 |
| HIERARCH ESO ISS PBLA13 START | 40.7 |
| HIERARCH ESO ISS PBLA13 END | 41.2 |
| HIERARCH ESO ISS PBL14 START | 122.498 |
| HIERARCH ESO ISS PBL14 END | 121.433 |
| HIERARCH ESO ISS PBLA14 START | 69.77 |
| HIERARCH ESO ISS PBLA14 END | 70.379 |
| HIERARCH ESO ISS PBL23 START | 44.603 |
| HIERARCH ESO ISS PBL23 END | 44.34 |
| HIERARCH ESO ISS PBLA23 START | 48.5 |
| HIERARCH ESO ISS PBLA23 END | 49.0 |
| HIERARCH ESO ISS PBL24 START | 84.007 |
| HIERARCH ESO ISS PBL24 END | 83.219 |
| HIERARCH ESO ISS PBLA24 START | 92.043 |
| HIERARCH ESO ISS PBLA24 END | 92.856 |
| HIERARCH ESO ISS PBL34 START | 60.106 |
| HIERARCH ESO ISS PBL34 END | 59.739 |
| HIERARCH ESO ISS PBLA34 START | 122.772 |
| HIERARCH ESO ISS PBLA34 END | 123.792 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.008078 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009268 |
| HIERARCH ESO ISS AMBI TEMP | 18.41 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.36 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |