Exposure
- ID
- GRAVI.2023-07-01T04:29:39.174_1
- Header ID
- GRAVI.2023-07-01T04:29:39.174
- Date updated
- 2023-07-01 04:46:00 UTC+0000
- Release date
- 2024-07-01 04:46:00 UTC+0000
- UTC Start
- 2023-07-01 04:29:39.174
- UTC End
- 2023-07-01 04:35:39.174
- MJD Start
- 60126.18725896
- MJD End
- 60126.1914256267
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.006682
- Ambient temperature (°C)
- 18.56
- Seeing (arcsec)
- 0.445
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 | 56.0480 | 55.9490 | 29.8000 | 30.4000 |
| U1-U3 | 101.3760 | 101.1490 | 36.2000 | 36.8000 |
| U1-U4 | 128.4980 | 127.9940 | 64.5740 | 65.2540 |
| U2-U3 | 46.0980 | 45.9690 | 44.0000 | 44.6000 |
| U2-U4 | 88.4120 | 88.0530 | 85.7500 | 86.5200 |
| U3-U4 | 62.1470 | 61.9900 | 115.3610 | 116.2170 |
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 | 60126.18725896 |
| 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 | 56.048 |
| HIERARCH ESO ISS PBL12 END | 55.949 |
| HIERARCH ESO ISS PBLA12 START | 29.8 |
| HIERARCH ESO ISS PBLA12 END | 30.4 |
| HIERARCH ESO ISS PBL13 START | 101.376 |
| HIERARCH ESO ISS PBL13 END | 101.149 |
| HIERARCH ESO ISS PBLA13 START | 36.2 |
| HIERARCH ESO ISS PBLA13 END | 36.8 |
| HIERARCH ESO ISS PBL14 START | 128.498 |
| HIERARCH ESO ISS PBL14 END | 127.994 |
| HIERARCH ESO ISS PBLA14 START | 64.574 |
| HIERARCH ESO ISS PBLA14 END | 65.254 |
| HIERARCH ESO ISS PBL23 START | 46.098 |
| HIERARCH ESO ISS PBL23 END | 45.969 |
| HIERARCH ESO ISS PBLA23 START | 44.0 |
| HIERARCH ESO ISS PBLA23 END | 44.6 |
| HIERARCH ESO ISS PBL24 START | 88.412 |
| HIERARCH ESO ISS PBL24 END | 88.053 |
| HIERARCH ESO ISS PBLA24 START | 85.75 |
| HIERARCH ESO ISS PBLA24 END | 86.52 |
| HIERARCH ESO ISS PBL34 START | 62.147 |
| HIERARCH ESO ISS PBL34 END | 61.99 |
| HIERARCH ESO ISS PBLA34 START | 115.361 |
| HIERARCH ESO ISS PBLA34 END | 116.217 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.007072 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.006292 |
| HIERARCH ESO ISS AMBI TEMP | 18.56 |
| HIERARCH ESO ISS AMBI FWHM START | 0.41 |
| HIERARCH ESO ISS AMBI FWHM END | 0.48 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5231 |