Exposure
- ID
- GRAVI.2023-07-06T04:59:32.080_1
- Header ID
- GRAVI.2023-07-06T04:59:32.080
- Date updated
- 2023-07-06 05:16:21 UTC+0000
- Release date
- 2024-07-06 05:16:21 UTC+0000
- UTC Start
- 2023-07-06 04:59:32.080
- UTC End
- 2023-07-06 05:05:32.080
- MJD Start
- 60131.20801018
- MJD End
- 60131.2121768467
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004473
- Ambient temperature (°C)
- 12.91
- Seeing (arcsec)
- 0.745
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 | 55.0030 | 54.8120 | 34.1000 | 34.6000 |
| U1-U3 | 98.9490 | 98.5060 | 40.5000 | 41.0000 |
| U1-U4 | 122.8950 | 121.8570 | 69.5290 | 70.1410 |
| U2-U3 | 44.7010 | 44.4450 | 48.3000 | 48.8000 |
| U2-U4 | 84.3010 | 83.5330 | 91.7260 | 92.5360 |
| U3-U4 | 60.2430 | 59.8850 | 122.3790 | 123.3900 |
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 | 60131.20801018 |
| 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 | 55.003 |
| HIERARCH ESO ISS PBL12 END | 54.812 |
| HIERARCH ESO ISS PBLA12 START | 34.1 |
| HIERARCH ESO ISS PBLA12 END | 34.6 |
| HIERARCH ESO ISS PBL13 START | 98.949 |
| HIERARCH ESO ISS PBL13 END | 98.506 |
| HIERARCH ESO ISS PBLA13 START | 40.5 |
| HIERARCH ESO ISS PBLA13 END | 41.0 |
| HIERARCH ESO ISS PBL14 START | 122.895 |
| HIERARCH ESO ISS PBL14 END | 121.857 |
| HIERARCH ESO ISS PBLA14 START | 69.529 |
| HIERARCH ESO ISS PBLA14 END | 70.141 |
| HIERARCH ESO ISS PBL23 START | 44.701 |
| HIERARCH ESO ISS PBL23 END | 44.445 |
| HIERARCH ESO ISS PBLA23 START | 48.3 |
| HIERARCH ESO ISS PBLA23 END | 48.8 |
| HIERARCH ESO ISS PBL24 START | 84.301 |
| HIERARCH ESO ISS PBL24 END | 83.533 |
| HIERARCH ESO ISS PBLA24 START | 91.726 |
| HIERARCH ESO ISS PBLA24 END | 92.536 |
| HIERARCH ESO ISS PBL34 START | 60.243 |
| HIERARCH ESO ISS PBL34 END | 59.885 |
| HIERARCH ESO ISS PBLA34 START | 122.379 |
| HIERARCH ESO ISS PBLA34 END | 123.39 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004664 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004282 |
| HIERARCH ESO ISS AMBI TEMP | 12.91 |
| HIERARCH ESO ISS AMBI FWHM START | 0.71 |
| HIERARCH ESO ISS AMBI FWHM END | 0.78 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |