Exposure
- ID
- GRAVI.2023-07-01T05:14:30.292_1
- Header ID
- GRAVI.2023-07-01T05:14:30.292
- Date updated
- 2023-07-01 05:30:40 UTC+0000
- Release date
- 2024-07-01 05:30:40 UTC+0000
- UTC Start
- 2023-07-01 05:14:30.292
- UTC End
- 2023-07-01 05:20:30.292
- MJD Start
- 60126.21840616
- MJD End
- 60126.2225728267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.009318
- Ambient temperature (°C)
- 18.45
- Seeing (arcsec)
- 0.31
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 | 55.1310 | 54.9510 | 33.8000 | 34.3000 |
| U1-U3 | 99.2480 | 98.8290 | 40.1000 | 40.6000 |
| U1-U4 | 123.5950 | 122.6140 | 69.0870 | 69.7010 |
| U2-U3 | 44.8740 | 44.6310 | 48.0000 | 48.5000 |
| U2-U4 | 84.8190 | 84.0930 | 91.1520 | 91.9520 |
| U3-U4 | 60.4860 | 60.1460 | 121.6690 | 122.6590 |
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 | 60126.21840616 |
| 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 | 55.131 |
| HIERARCH ESO ISS PBL12 END | 54.951 |
| HIERARCH ESO ISS PBLA12 START | 33.8 |
| HIERARCH ESO ISS PBLA12 END | 34.3 |
| HIERARCH ESO ISS PBL13 START | 99.248 |
| HIERARCH ESO ISS PBL13 END | 98.829 |
| HIERARCH ESO ISS PBLA13 START | 40.1 |
| HIERARCH ESO ISS PBLA13 END | 40.6 |
| HIERARCH ESO ISS PBL14 START | 123.595 |
| HIERARCH ESO ISS PBL14 END | 122.614 |
| HIERARCH ESO ISS PBLA14 START | 69.087 |
| HIERARCH ESO ISS PBLA14 END | 69.701 |
| HIERARCH ESO ISS PBL23 START | 44.874 |
| HIERARCH ESO ISS PBL23 END | 44.631 |
| HIERARCH ESO ISS PBLA23 START | 48.0 |
| HIERARCH ESO ISS PBLA23 END | 48.5 |
| HIERARCH ESO ISS PBL24 START | 84.819 |
| HIERARCH ESO ISS PBL24 END | 84.093 |
| HIERARCH ESO ISS PBLA24 START | 91.152 |
| HIERARCH ESO ISS PBLA24 END | 91.952 |
| HIERARCH ESO ISS PBL34 START | 60.486 |
| HIERARCH ESO ISS PBL34 END | 60.146 |
| HIERARCH ESO ISS PBLA34 START | 121.669 |
| HIERARCH ESO ISS PBLA34 END | 122.659 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.00949 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.009146 |
| HIERARCH ESO ISS AMBI TEMP | 18.45 |
| HIERARCH ESO ISS AMBI FWHM START | 0.3 |
| HIERARCH ESO ISS AMBI FWHM END | 0.32 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |