Exposure
- ID
- GRAVI.2023-07-06T04:52:20.060_1
- Header ID
- GRAVI.2023-07-06T04:52:20.060
- Date updated
- 2023-07-06 05:05:56 UTC+0000
- Release date
- 2024-07-06 05:05:55 UTC+0000
- UTC Start
- 2023-07-06 04:52:20.060
- UTC End
- 2023-07-06 04:58:20.060
- MJD Start
- 60131.20300995
- MJD End
- 60131.2071766167
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004675
- Ambient temperature (°C)
- 12.96
- Seeing (arcsec)
- 0.71
Observation
- ID
- 56155
- 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
- 41602
- Name
- S4
- RA
- 266.416914
- DEC
- -29.00711
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 55.1990 | 55.0230 | 33.6000 | 34.1000 |
| U1-U3 | 99.4070 | 98.9970 | 39.9000 | 40.4000 |
| U1-U4 | 123.9660 | 123.0070 | 68.8390 | 69.4590 |
| U2-U3 | 44.9650 | 44.7290 | 47.7000 | 48.3000 |
| U2-U4 | 85.0940 | 84.3840 | 90.8350 | 91.6350 |
| U3-U4 | 60.6150 | 60.2820 | 121.2810 | 122.2660 |
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 | 60131.20300995 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | S4 |
| RA | 266.416914 |
| DEC | -29.00711 |
| 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 | 55.199 |
| HIERARCH ESO ISS PBL12 END | 55.023 |
| HIERARCH ESO ISS PBLA12 START | 33.6 |
| HIERARCH ESO ISS PBLA12 END | 34.1 |
| HIERARCH ESO ISS PBL13 START | 99.407 |
| HIERARCH ESO ISS PBL13 END | 98.997 |
| HIERARCH ESO ISS PBLA13 START | 39.9 |
| HIERARCH ESO ISS PBLA13 END | 40.4 |
| HIERARCH ESO ISS PBL14 START | 123.966 |
| HIERARCH ESO ISS PBL14 END | 123.007 |
| HIERARCH ESO ISS PBLA14 START | 68.839 |
| HIERARCH ESO ISS PBLA14 END | 69.459 |
| HIERARCH ESO ISS PBL23 START | 44.965 |
| HIERARCH ESO ISS PBL23 END | 44.729 |
| HIERARCH ESO ISS PBLA23 START | 47.7 |
| HIERARCH ESO ISS PBLA23 END | 48.3 |
| HIERARCH ESO ISS PBL24 START | 85.094 |
| HIERARCH ESO ISS PBL24 END | 84.384 |
| HIERARCH ESO ISS PBLA24 START | 90.835 |
| HIERARCH ESO ISS PBLA24 END | 91.635 |
| HIERARCH ESO ISS PBL34 START | 60.615 |
| HIERARCH ESO ISS PBL34 END | 60.282 |
| HIERARCH ESO ISS PBLA34 START | 121.281 |
| HIERARCH ESO ISS PBLA34 END | 122.266 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004512 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004838 |
| HIERARCH ESO ISS AMBI TEMP | 12.96 |
| HIERARCH ESO ISS AMBI FWHM START | 0.76 |
| HIERARCH ESO ISS AMBI FWHM END | 0.66 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |