Exposure
- ID
- GRAVI.2023-07-04T03:08:03.768_1
- Header ID
- GRAVI.2023-07-04T03:08:03.768
- Date updated
- 2023-07-04 03:21:04 UTC+0000
- Release date
- 2024-07-04 03:21:04 UTC+0000
- UTC Start
- 2023-07-04 03:08:03.768
- UTC End
- 2023-07-04 03:14:03.768
- MJD Start
- 60129.13059917
- MJD End
- 60129.1347658367
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.002925
- Ambient temperature (°C)
- 12.27
- Seeing (arcsec)
- 1.045
Observation
- ID
- 56139
- 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
- 41586
- Name
- S4
- RA
- 266.416639
- DEC
- -29.00722
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.5520 | 56.5400 | 22.3000 | 23.1000 |
| U1-U3 | 102.4340 | 102.4270 | 28.6000 | 29.4000 |
| U1-U4 | 129.8890 | 130.0510 | 56.3820 | 57.2190 |
| U2-U3 | 46.6320 | 46.6400 | 36.2000 | 37.0000 |
| U2-U4 | 88.8600 | 89.0780 | 77.2530 | 78.0740 |
| U3-U4 | 61.7970 | 61.9970 | 106.9480 | 107.6800 |
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 | 60129.13059917 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416639 |
| DEC | -29.00722 |
| 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 | 56.552 |
| HIERARCH ESO ISS PBL12 END | 56.54 |
| HIERARCH ESO ISS PBLA12 START | 22.3 |
| HIERARCH ESO ISS PBLA12 END | 23.1 |
| HIERARCH ESO ISS PBL13 START | 102.434 |
| HIERARCH ESO ISS PBL13 END | 102.427 |
| HIERARCH ESO ISS PBLA13 START | 28.6 |
| HIERARCH ESO ISS PBLA13 END | 29.4 |
| HIERARCH ESO ISS PBL14 START | 129.889 |
| HIERARCH ESO ISS PBL14 END | 130.051 |
| HIERARCH ESO ISS PBLA14 START | 56.382 |
| HIERARCH ESO ISS PBLA14 END | 57.219 |
| HIERARCH ESO ISS PBL23 START | 46.632 |
| HIERARCH ESO ISS PBL23 END | 46.64 |
| HIERARCH ESO ISS PBLA23 START | 36.2 |
| HIERARCH ESO ISS PBLA23 END | 37.0 |
| HIERARCH ESO ISS PBL24 START | 88.86 |
| HIERARCH ESO ISS PBL24 END | 89.078 |
| HIERARCH ESO ISS PBLA24 START | 77.253 |
| HIERARCH ESO ISS PBLA24 END | 78.074 |
| HIERARCH ESO ISS PBL34 START | 61.797 |
| HIERARCH ESO ISS PBL34 END | 61.997 |
| HIERARCH ESO ISS PBLA34 START | 106.948 |
| HIERARCH ESO ISS PBLA34 END | 107.68 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.002859 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.002991 |
| HIERARCH ESO ISS AMBI TEMP | 12.27 |
| HIERARCH ESO ISS AMBI FWHM START | 1.03 |
| HIERARCH ESO ISS AMBI FWHM END | 1.06 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |